PATENT DOCUMENT

Publication Number: US-10694010-B2
Application Number: US-201916242905-A
Country: US
Kind Code: B2

Title: Cover sheet and incorporated lens for a camera of an electronic device

Abstract:
An electronic device includes a cover sheet having a feature that is configured to interface with a camera of the electronic device. The cover sheet has a contoured blind recess formed along an inner surface. The contoured blind recess is configured to receive at least a portion of a lens of a camera system. A contour of the contoured blind recess corresponds with a contour of the lens.

Claims:
What is claimed is: 
     
       1. An electronic device comprising:
 an enclosure component defining a first portion of an external surface of the electronic device; 
 a display at least partially positioned within the enclosure component; 
 a cover sheet coupled to the enclosure component and defining a second portion of the external surface of the electronic device, the cover sheet having a recess defining a first curved contour profile; and 
 a camera system positioned below the cover sheet and comprising:
 a camera module; and 
 a lens coupled to the camera module and defining a second curved contour profile that corresponds to the first curved contour profile of the recess thereby defining a uniform gap between the first curved contour profile of the cover sheet and the second curved contour profile of the lens, the lens positioned at least partially within the recess of the cover sheet. 
 
 
     
     
       2. The electronic device of  claim 1 , wherein:
 the cover sheet is positioned over the display; 
 the camera system is positioned along a side of the display; and 
 the lens is positioned fully within the recess. 
 
     
     
       3. The electronic device of  claim 1 , wherein:
 the electronic device further comprises an optical filler positioned in the uniform gap between the lens and the recess; and 
 the optical filler is index matched to one or both of the cover sheet or the lens. 
 
     
     
       4. The electronic device of  claim 1 , wherein:
 the cover sheet defines a first surface and a second surface that is opposite to the first surface; 
 the recess is formed within the second surface of the cover sheet; 
 the cover sheet includes a first compressive stress region formed along the first surface and over the recess; 
 the cover sheet includes a second compressive stress region formed along the first surface and at least partially surrounding the first compressive stress region; and 
 the first compressive stress region has a thickness that is less than the second compressive stress region. 
 
     
     
       5. The electronic device of  claim 4 , wherein the cover sheet has a thickness of between 0.1 mm and 1.0 mm. 
     
     
       6. The electronic device of  claim 1 , wherein the second portion of the external surface defines an entire rear surface of the electronic device. 
     
     
       7. The electronic device of  claim 1 , wherein:
 the second portion of the external surface defines at least an entire front face of the electronic device; 
 the cover sheet is a first cover sheet; and 
 the electronic device further comprises a second cover sheet that defines at least an entire rear surface of the electronic device. 
 
     
     
       8. The electronic device of  claim 1 , wherein:
 the camera module comprises an image sensor positioned below the lens; and 
 the first curved contour profile and the second curved contour profile are configured to direct light to the image sensor. 
 
     
     
       9. An electronic device, comprising:
 a display; 
 an enclosure at least partially surrounding the display and defining a transparent window region, the enclosure comprising:
 a front surface defining at least a portion of a front face of the electronic device; 
 an inner surface opposite to the front surface; and 
 a recess having a first curved contour profile formed along the inner surface and at least partially within the transparent window region of the enclosure; and 
 
 a camera system positioned within the enclosure and comprising:
 a camera module; and 
 a lens defining a second curved contour profile that corresponds to the first curved contour profile of the recess, the lens coupled to the camera module and positioned at least partially within the recess thereby defining a uniform optical interface region between the recess and the lens. 
 
 
     
     
       10. The electronic device of  claim 9 , wherein an optical interface element is positioned in the uniform optical interface region between the lens and a surface of the recess. 
     
     
       11. The electronic device of  claim 10 , wherein the optical interface element is a fluid that is optically matched to one or both of the transparent window region or the lens. 
     
     
       12. The electronic device of  claim 9 , wherein:
 the lens is a first lens; and 
 the enclosure defines a curved contour region along the front surface that defines a second lens that is positioned over the first lens. 
 
     
     
       13. The electronic device of  claim 9 , wherein the enclosure is formed from a monolithic glass component that defines a front, a rear, and side external surfaces of the electronic device. 
     
     
       14. The electronic device of  claim 9 , wherein:
 the electronic device further comprises a touch sensor configured to detect a touch input along the front surface of the enclosure; and 
 the display is configured to depict a graphical output that is responsive to the touch input. 
 
     
     
       15. The electronic device of  claim 9 , wherein:
 the camera system is configured to capture an image of a user; and 
 the electronic device is configured to authenticate an identity of the user based on the captured image.

Description:
CROSS-REFERENCE TO RELATED APPLICATION(S) 
     This application is a nonprovisional patent application of and claims the benefit of U.S. Provisional Patent Application No. 62/694,920, filed Jul. 6, 2018 and titled “Cover Sheet and Incorporated Lens for a Camera of an Electronic Device,” the disclosure of which is hereby incorporated by reference herein in its entirety. 
    
    
     FIELD 
     The described embodiments relate generally to electronic devices. More particularly, the described embodiments relate to a transparent cover that includes a recess that is configured to receive at least a portion of a camera of the electronic device. 
     BACKGROUND 
     In electronic devices, a camera may be employed to capture images. Many traditional electronic devices may enclose components of a camera behind exterior walls and other barriers that may limit a field of view of the camera. The thickness of the electronic device may be constrained by the thickness of the camera and the thickness of any exterior walls covering the camera, which may limit the thickness of the device. Additionally, devices having a camera positioned adjacent to other components may have a limited field of view or have other undesirable properties. 
     SUMMARY 
     Embodiments of the present invention are directed to an electronic device having a lens incorporated into a transparent cover. In some example embodiments, an electronic device includes an enclosure component defining a first portion of an external surface of the electronic device. The electronic device also includes a display at least partially positioned within the enclosure component and a cover sheet coupled to the enclosure component and defining a second portion of the external surface of the electronic device. The cover sheet has a recess defining a first contour. A camera system is positioned below the cover sheet and includes a camera module, and a lens coupled to the camera module and defining a second contour that corresponds to the first contour of the recess. The lens is positioned at least partially within the recess of the cover sheet. 
     In some embodiments, the second portion of the external surface defines an entire rear surface of the electronic device. In some embodiments, the second portion of the external surface defines at least an entire front face of the electronic device. The electronic device may also include a second or rear cover sheet that defines at least an entire rear surface of the electronic device. In some implementations, the cover sheet has a thickness of between 0.1 mm and 1.0 mm. In some instances, the cover sheet has a thickness of between 0.2 mm and 1.0 mm. 
     In some embodiments, the camera module comprises an image sensor positioned below the lens. The first contour and the second contour may be configured to direct light to the image sensor. 
     In some example embodiments, the cover sheet is positioned over the display and the camera system may be positioned along a side of the display. The lens may be positioned fully within the recess. In some implementations, the electronic device further comprises an optical filler positioned between the lens and the recess. The optical filler may be index matched to one or both of the cover sheet or the lens. 
     In some implementations, the cover sheet defines a first surface and a second surface that is opposite to the first surface. The recess may be formed within the second surface of the cover sheet. The cover sheet may include a first compressive stress region formed along the first surface and over the recess, and the cover sheet may include a second compressive stress region formed along the first surface and at least partially surrounding the first compressive stress region. The first compressive stress region may have a thickness that is less than the second compressive stress region. 
     Some example embodiments are directed to an electronic device having a display and an enclosure at least partially surrounding the display and defining a transparent window region. The enclosure includes a front surface defining at least a portion of a front face of the electronic device, and a rear surface opposite to the front surface. A recess having a contoured profile may be formed along the rear surface and at least partially within the transparent window region of the enclosure. A camera system may be positioned within the enclosure and include a camera module, and a lens coupled to the camera module and positioned at least partially within the recess. In some embodiments, the contoured profile is a first contoured profile and the lens defines a second contoured profile. The first contoured profile of the enclosure may correspond to the second contoured profile of the lens. In some embodiments, an optical interface element is positioned between the lens and a surface of the recess. The optical interface element may be a fluid that is optically matched to one or both of the transparent window region or the lens. 
     In some embodiments, the lens is a first lens, and the enclosure defines a contoured region that defines a second lens. 
     In some embodiments, the enclosure is formed from a monolithic glass component that defines a front, rear, and side external surfaces of the electronic device. 
     In some embodiments, the electronic device further comprises a touch sensor that is configured to detect a touch input along the front surface of the enclosure. The display may be configured to depict a graphical output that is responsive to the touch input. 
     In some embodiments, the camera system is configured to capture an image of a user, and the electronic device is configured to authenticate an identity of the user based on the captured image. 
     Some example embodiments are directed to a method of forming a cover sheet for an electronic device. The method may include machining a recess into a glass material and heating the glass material at or above a transition temperature. The method may also include pressing the heated glass material using a mold. While pressing the heated glass material, a contoured recess may be formed from at least a portion of the glass material defining the machined recess. The contoured recess may be configured to conform or correspond to a contour defined by an exterior surface of a lens of a camera of the electronic device. 
     The method may also include chemically strengthening at least a portion of the glass material that forms the contoured recess. Chemically strengthening the portion of the glass material that forms the contoured recess may include: forming a first compressive stress profile by immersing the glass material in a first chemical bath having a first concentration of an ion for a first duration, and forming a second compressive stress profile by immersing the glass material in a second chemical bath having a second concentration of the ion for a second duration. In some embodiments, the second concentration is greater than the first concentration, and the second duration is less than the first duration. In some cases, the ion comprises one or more of sodium, lithium, or potassium. 
     In addition to the exemplary aspects and embodiments described above, further aspects and embodiments will become apparent by reference to the drawings and by study of the following description. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The disclosure will be readily understood by the following detailed description in conjunction with the accompanying drawings, wherein like reference numerals designate like elements. 
         FIG. 1A  depicts an example electronic device; 
         FIG. 1B  depicts a rear view of the example electronic device of  FIG. 1A ; 
         FIG. 2  depicts a cross-sectional view of the example electronic device of  FIG. 1A , taken along line A-A of  FIG. 1A ; 
         FIG. 3A  depicts a cross-sectional view of another embodiment of the example electronic device of  FIG. 1A , taken along line A-A of  FIG. 1A ; 
         FIG. 3B  depicts a cross-sectional view of the example electronic device of  FIG. 1A , taken along line A-A of  FIG. 1A , having a camera system; 
         FIG. 4A  depicts detail  1 - 1  of the cross-sectional view shown in  FIG. 3B ; 
         FIG. 4B  depicts detail  1 - 1  of another embodiment of the cross-sectional view shown in  FIG. 3B ; 
         FIG. 5  depicts a cross-sectional view of another embodiment of the example electronic device of  FIG. 1A , taken along line A-A of  FIG. 1A ; 
         FIG. 6  depicts a flow diagram of a method of forming a cover sheet; 
         FIG. 7A  depicts a cross-sectional view of a glass material undergoing the method of forming the cover sheet of  FIG. 6 ; 
         FIG. 7B  depicts a cross-sectional view of a glass material undergoing the method of forming the cover sheet of  FIG. 6 ; 
         FIG. 7C  depicts a cross-sectional view of a glass material undergoing the method of forming the cover sheet of  FIG. 6 ; 
         FIG. 7D  depicts a cross-sectional view of a glass material undergoing the method of forming the cover sheet of  FIG. 6 ; 
         FIG. 8  depicts a cross-sectional view of another embodiment of a glass material undergoing the method of forming the cover sheet of  FIG. 6 ; 
         FIG. 9  depicts a cross-sectional view of another embodiment of a glass material undergoing the method of forming the cover sheet of  FIG. 6 ; 
         FIG. 10A  depicts a cross-sectional view of a glass material having a strengthened region; 
         FIG. 10B  depicts a compressive stress—depth of compression curve for a glass material; and 
         FIG. 11  depicts an example electronic device. 
     
    
    
     The use of cross-hatching or shading in the accompanying figures is generally provided to clarify the boundaries between adjacent elements and also to facilitate legibility of the figures. Accordingly, neither the presence nor the absence of cross-hatching or shading conveys or indicates any preference or requirement for particular materials, material properties, element proportions, element dimensions, commonalities of similarly illustrated elements, or any other characteristic, attribute, or property for any element illustrated in the accompanying figures. 
     Additionally, it should be understood that the proportions and dimensions (either relative or absolute) of the various features and elements (and collections and groupings thereof) and the boundaries, separations, and positional relationships presented therebetween, are provided in the accompanying figures merely to facilitate an understanding of the various embodiments described herein and, accordingly, may not necessarily be presented or illustrated to scale, and are not intended to indicate any preference or requirement for an illustrated embodiment to the exclusion of embodiments described with reference thereto. 
     DETAILED DESCRIPTION 
     The description that follows includes example systems, methods, and apparatuses that embody various elements of the present disclosure. However, it should be understood that the described disclosure may be practiced in a variety of forms in addition to those described herein. 
     The present disclosure describes systems, devices, and techniques related to electronic devices having a camera system incorporated at least partially within an exterior cover, wall, and/or other component of the device. The electronic device may include a cover sheet, which may be transparent or otherwise have a transparent window portion or region along an exterior surface. As used herein, “transparent” may generally refer to a material or layer that allows light to pass without being scattered, thereby allowing light, optical patterns, images, and the like to pass through a thickness of the material substantially undistorted. A camera system may be positioned within the electronic device and used to detect images through the cover sheet or window. However, a thickness of the cover sheet may separate the camera system from the exterior surface, which may impact the operability of the camera system and the overall profile of the device. 
     The structures and techniques of the present disclosure may allow the camera system to be positioned at least partially within or otherwise incorporated within the cover sheet of the electronic device. For example, the cover sheet may have a recess that extends at least partially into an inner surface of the cover sheet, which may also be referred to herein as a “blind recess” or simply a “recess.” The camera system may be at least partially positioned within the blind recess, thereby reducing a distance of the camera system to the exterior surface of the device. This may expand a field of view of the camera system, for example, by allowing the camera system to be positioned closer to the exterior surface than various other internal components of the electronic device, such as ink, display elements, or the like that may be laminated or otherwise attached to the inner surface of the cover sheet. Positioning the camera system closer to the exterior surface may also facilitate a reduction in an overall thickness or profile of the device. 
     The cover sheet may be configured to allow light into the interior of the electronic device in a manner that mitigates lensing, diffusion, scattering, and/or other optical effects that may hinder the operation of the camera system. In one embodiment, the recess positioned along an inner surface of the cover sheet may be a contoured recess having a first contour or contour profile. The camera system may include a lens having a second contour or contour profile that corresponds to the first contour or contour profile of the recess. As described herein, the lens may be positioned at least partially within the recess and the corresponding contours may allow light to pass from the cover sheet to the lens without substantially obstructing or blocking an optical path between the cover sheet and the lens. In some cases, an optical interface element may be positioned along the first contour of the recess and the second contour of the lens and be optically matched with the cover sheet or the lens. The corresponding contours may reduce or eliminate optical distortions and may help to maintain or preserve the optical path of light that propagates through the cover sheet and the lens and into the image sensor of the camera. 
     To facilitate the foregoing, in one embodiment, the cover sheet, transparent window, and/or other appropriate structure may be formed using a precision molding process. To illustrate, the cover sheet may be formed at least partially from a glass material. As used herein, “glass material” may generally refer broadly to a variety of transparent materials, including substantially non-crystalline amorphous solids and/or materials having at least some crystalline structures, such as glass ceramics of various compositions. Example compositions of the glass material may include soda lime, boro-silicate (and variations thereof), high silica content (96% or greater), zinc titanium, or the like. Crystalline structures may include various sapphire compositions and/or other compositions such as crystalline structures having a mixture of aluminum oxide, silicon oxide, and at least one of lithium oxide, magnesium oxide, or zinc oxide. The glass material may include other constituent components or may be formed from a composite material. 
     The glass material may be mechanically shaped (e.g., pressed) in order to form a desired shape. For example, the glass material may be heated to at or above a transition temperature. The transition temperature may be substantially any temperature that allows for deformation or shaping without inducing brittle failure or other undesirable stresses in the material. The glass material may be subsequently pressed in a mold. The pressing may involve forcing a protrusion or other feature of a mechanical press into the glass material and forming the contoured recess (also referred to as a contoured blind recess). The protrusion may be configured to form the contoured recess having a contour or contour profile that matches a contour or contour profile of a lens of a camera system. In some cases, the protrusion may be advanced into an uninterrupted or continuous surface of a heated block, gob, or other form of glass material in order to form the contoured recess. In other cases, the protrusion may be advanced toward a machined recess in the glass material and form the contoured recess from a portion of the glass material defining the machined recess. The contoured recess formed from the mechanical pressing may define a contour that matches a contour of a lens. This may reduce or mitigate the need for lapping or polishing the recess after machining or pressing. 
     The glass material may be thinner at the contoured recess than at adjacent portions of the glass material. Accordingly, the glass material may be strengthened along the contoured recess in order to reduce possible failure mechanisms or defects at the thinned region, such as chipping, cracking, and the like. In one embodiment, a compressive stress region may be formed along the contoured recess. Such compressive stresses may mitigate potential failure mechanisms, for example, by preventing crack propagation along the edges. Chemical strengthening may be used to form the compressive stress region, such as by exchanging alkali ions of the glass with molten salts or other ions of an equilibrium reaction. In some cases, the chemical strengthening is specially adapted to accommodate a recess in a thin glass sheet. For example, the thickness of the compressive stress may be less over a first region that overlaps the recess as compared to a second region that surrounds or is proximate to the recess. In another example, the compressive stress may have a spiked profile or compressive stress gradient that allows for higher compressive stresses near the surface of the glass sheet. As described herein, a compressive stress gradient may be formed along the recess such that relatively higher compressive stresses are formed proximate a surface of the glass material with relatively lower compressive stresses formed into the thickness, among other variations. 
     It will be appreciated that, in any of the embodiments described herein, the cover sheet, transparent window, and/or other transparent component may be used in a variety of applications. In a particular embodiment, the transparent sheet may be, or form a portion of, a cover (e.g., a cover glass) for a mobile phone. In other embodiments, the transparent sheet may form an exterior surface of another electronic device, such as a phone, notebook, watch, camera, or the like, described in greater detail below. The cover sheet may optionally be coupled to substantially opaque components, such as other enclosure components or structural members of the electronic device. The transparent sheet, or any transparent structure, may define various external contours of the electronic device, including planar and non-planar geometries. As a non-limiting example, the transparent sheet may define a contoured, curved, angled, irregular, and/or other external contour of a mobile phone cover. According to the techniques described herein, the contoured recess may be formed into an underside of the transparent glass sheet for various external contours, thereby enhancing the adaptability of the transparent glass sheet for a variety of applications. 
     Reference will now be made to the accompanying drawings, which assist in illustrating various features of the present disclosure. The following description is presented for purposes of illustration and description. Furthermore, the description is not intended to limit the inventive aspects to the forms disclosed herein. Consequently, variations and modifications commensurate with the following teachings, and skill and knowledge of the relevant art, are within the scope of the present inventive aspects. 
       FIG. 1A  depicts an example electronic device  104  (also referred to herein as “electronic device  104 ”). The electronic device  104  may include a cover sheet, such as the cover sheet discussed above and described in greater detail below. The cover sheet may define one or more portions (e.g., first portion, second portion) of an external surface of the electronic device  104 . In some cases, this may be a contoured exterior surface of the electronic device  104 , for example, such as the contoured edges shown in  FIG. 1A . Below the exterior surface, the cover sheet may include a contoured recess (also referred to as a contoured blind recess). The contoured recess may be configured to receive at least a portion of a camera system, such as a lens. The contoured recess may have a contour or contour profile that matches or corresponds to a contour or contour profile of the lens. This may enhance the operability of the camera system and/or decrease a thickness of the electronic device  104 . 
     As shown, the electronic device  104  is a smart phone, though it can be any suitable electronic device having a cover sheet and/or other exterior component that is configured to incorporate a camera system, according to the embodiments described herein. Some example electronic devices may include desktop computers, notebook computers, mobile phones, portable media players, tablet computing devices, or the like. Other example electronic devices may include wearable devices (including electronic smart watches, wrist-worn devices, headbands, or the like), health monitoring devices (including wrist-worn electronic devices, some smart watches, pedometers, heart rate monitors, or the like), and other electronic devices, including digital cameras, printers, scanners, security systems or devices. It will be appreciated, however, that while the cover sheet is shown as a component of the electronic device  104 , the cover sheet of the present disclosure may be or define a variety of other components, including components of a substantially mechanical (non-electrically actuated or controlled) system. As such, the discussion of any electronic device and cover sheet, such as the electronic device  104  and the cover sheet implemented therein, is meant as illustrative only. 
     For purposes of illustration, the electronic device  104  is depicted as having an enclosure component  108 , a display region  112 , a front cover  116   a , a rear cover  116   b , one or more input/output members  120 , a camera  122 , and a speaker  124 . It should be noted that the electronic device  104  may also include various other components, such as one or more ports (e.g., charging ports, data transfer ports, or the like), additional input/output buttons, and so on. Other components of an example electronic device are described below with respect to  FIG. 11 . 
     In an embodiment, the enclosure component  108 , the front cover  116   a , the rear cover  116   b , and/or other component of the electronic device  104  may be formed from, or include, a cover sheet or otherwise be transparent or have a transparent window region or portion. The display, positioned at least partially within the enclosure component  108 , may be configured to display graphical output that is viewable or visible through the transparent window region or portion of the front cover  116   a . As shown in  FIG. 1A , the front cover  116   a  defines the entire front face or surface of the electronic device  104 . As shown in  FIGS. 1A and 1B , the enclosure component  108 , the front cover  116   a , and the rear cover  116   b  are three separate and distinct components that together define an enclosure of the electronic device  104 . However, in some embodiments, the enclosure component  108 , the front cover  116   a , and the rear cover  116   b  are formed together as a single monolithic structure or component. For example, a single monolithic glass component may form the front, rear, top, bottom, and/or sides of the enclosure of the electronic device  104 . In another alternative embodiment, the enclosure component  108  defines the entire rear face or surface of the enclosure, as well as the top, bottom, and/or the sides of the enclosure. 
     Accordingly, one or more of the enclosure component  108 , the front cover  116   a , or the rear cover  116   b  may be positioned over or enclose a camera system with the electronic device  104 , and the camera system may be configured to detect images of an external environment. For example, as shown in the embodiment of  FIG. 1A , the front cover  116   a  may be formed from a glass sheet or otherwise be transparent or have a transparent window region or portion that is positioned over a camera  122 . The front cover  116   a  may therefore function as a protective window over the camera  122 . The front cover  116   a  may also be an optical component of the camera  122 , such as defining a lens or otherwise being configured to alter an optical path of light toward the camera  122 . In some cases, such as that shown in  FIG. 1A , the front cover  116   a  forms a fully exposed front face of the electronic device  104 . 
     To facilitate the foregoing, the front cover  116   a  may include a contoured recess formed along an inner surface, opposite the external surface of the electronic device  104  (not shown in  FIG. 1A ). As described in greater detail below with respect to  FIGS. 2, 3A and 3B , the contoured recess may allow a portion of the camera  122 , such as one or more lenses, camera modules, image sensors, and so on, at least partially within the contoured recess. In some cases, this may help reduce an overall thickness of the electronic device  104 . 
     The example electronic device  104  includes a touch-sensitive display also referred to as a touchscreen. In this example, the front cover  116   a  is positioned over a display or display element to define a display region  112 . The display region  112  may be configured to depict a graphical output (e.g., symbol, glyph, graphic, animation, or other graphical element) that is responsive to received input. The input may be received along or at the front cover  116   a , the rear cover  116   b , the input/output member  120 , and/or other button or surface. As described herein, the input may include touch input that is detected using a capacitive touch sensor or other touch sensor and/or visual input that is received by a camera or other optical device. 
     More generally, the enclosure component  108 , the front cover  116   a , the rear cover  116   b , and/or other component of the electronic device  104  may be used to define a touch and/or force sensitive surface that may be used to manipulate graphical outputs at the display region  112 . For example, one or more touch sensors (e.g., a capacitive touch sensor layer) and/or one or more force sensors (e.g., a capacitive or strain-based force sensing layer) may be attached to or otherwise coupled to the front cover  116   a  and/or the rear cover  116   b . The graphical outputs at the display region  112  may be responsive to touch and/or force input detected using the touch sensor and/or force sensor. Additionally or alternatively, the graphical outputs along the display region  112  may be responsive to an optical or visual input received by the camera  122  or other sensor. 
     In the example embodiment of  FIG. 1A , the front cover  116   a  is shown as defining at least a portion of an external surface of the electronic device  104 . Display elements within the electronic device  104  may propagate through a thickness of the front cover  116   a  and produce the graphical outputs of the display region  112 . One or more sensors below the front cover  116   a  may detect input along the external surface and, in response to the detection, the graphical outputs may change. While  FIG. 1A  shows the front cover  116   a  as defining the display region  112 , it will be appreciated that the rear cover  116   b  may also define a display region  112 , and be formed from a light-transmissive glass sheet, such as that shown in  FIG. 1B . 
       FIG. 1B  depicts a rear view of the example electronic device  104 . In particular,  FIG. 1B  shows an embodiment where the rear cover  116   b  defines an entire rear face or surface of the electronic device  104 . The rear cover  116   b  may include or define a glyph  128 , including various symbols, markings, and so on that may be formed into, and/or applied to, the rear cover  116   b.    
     As described above, the rear cover  116   b  may be formed from a glass sheet and/or otherwise include a transparent window region or portion. This may allow the rear cover  116   b  to be positioned over and/or incorporated with a rear camera  126 . In some cases, the rear cover  116   b  may include a contoured recess, similar to that described above with respect to the front cover  116   a . In this regard, the rear camera  126  may be positioned at least partially within the contoured recess and therefore incorporated at least partially into a thickness of the rear cover  116   b . While the following examples are provided with respect to a cover that forms the front cover  116   a  of the device  104 , the examples can be similarly applied to the rear cover  116   b.    
       FIG. 2  depicts a cross-sectional view of an electronic device  204 . The electronic device  204  may be substantially analogous to the electronic device  104  described above with respect to  FIGS. 1A and 1B . The electronic device  204  may therefore include similar components and/or perform similar functions of the electronic device  104 , including having a front cover, rear cover, enclosure component, display region, speaker, camera, and one or more input/output members, redundant explanation of which is omitted here for clarity. Accordingly, for purposes of illustration, the cross-sectional view of the electronic device  204  may correspond to line A-A of  FIG. 1A . However, it will be appreciated that the cross-sectional view shown in  FIG. 2  may be taken along substantially any portion of an external surface of the electronic device  204  and is shown in  FIG. 2  for purposes of illustration. 
     As shown in  FIG. 2 , the electronic device  204  may include a cover sheet  250 . The cover sheet  250  may form a portion of an exterior surface of the electronic device  204 . In some cases, the cover sheet  250  may be or form a portion of a front cover, a rear cover, an enclosure component, and/or other appropriate component of the electronic device  204 . The cover sheet  250  may have a thickness of between 0.2 mm and 1.0 mm; however, in other cases, the cover sheet  250  may be less than 0.2 mm or greater than 1.0 mm, as appropriate for a given application. In some cases, the cover sheet  250  may have a thickness between 0.1 mm and 1 mm. The cover sheet  250  may at least partially define an interior volume  254  of the electronic device  204 . The interior volume  254  may house various electrical and/or mechanical components of the electronic device  204 , as described herein. 
     The electronic device  204  may include a camera system  258 . The camera system  258  may be positioned within the interior volume  254  and below the cover sheet  250 . For example, the camera system  258  may be positioned below the cover sheet  250  along an inner surface that is opposite to the external surface of the electronic device  204 . In this example, the camera system  258  is positioned below a recess  252  formed along the inner surface of the cover sheet  250 . The recess  252  may define a first contour that is substantially matched to or corresponds to a second contour of the camera system  258 . 
     The camera system  258  may generally be configured to detect light that propagates through the cover sheet  250 . In some cases, the camera system  258  may be configured to detect images, optical patterns, and/or other elements of an external environment. In one example, the camera system is configured to capture an image of a user&#39;s face and the device is configured to authenticate the user based on the captured image. The image may be a color image or may be a point map of a user&#39;s face that includes data regarding the location of various points along the user&#39;s face, which may be used to identify or authenticate the user. 
     To facilitate the foregoing, the camera system  258  may include at least a lens  262  and a camera module  266 . The lens  262  may include one or more transparent components that cooperate to modify a direction of light toward the camera module  266 . For example, in an embodiment, the lens  262  may include a first lens and second lens, and each of the first lens and the second lens may define a respective portion of a contoured lens surface. The camera module  266  may include an image sensor that detects light and can be used to optically recognize images, facial features, or other optical patterns. 
     In the embodiment of  FIG. 2 , the camera module  266  is positioned below the cover sheet  250 . The camera system  258  may be positioned below the cover sheet  250  along a transparent window region  270 . The transparent window region  270  may be a portion of the cover sheet  250  that is free from markings, textures, inks, and so on. In some cases, the transparent window region  270  may be a transparent portion of a cover sheet that may have substantially opaque regions adjacent the transparent window region  270 . In this regard, light may propagate through the cover sheet  250 , or other component or layer, along the transparent window region  270 . The camera system  258  may be configured to detect and/or capture light that is propagated through the transparent window region  270  of the cover sheet  250 . It will be appreciated that other portions, including substantially all, of the cover sheet  250  may also be free from markings, textures, inks, and so on, as may be appropriate for a given application. In some cases, other portions of the cover sheet  250  may be partially covered by an ink or marking and, in some cases, may be translucent, opaque, or otherwise not perfectly transparent. 
       FIG. 2  shows the camera system  258  positioned adjacent a display  274 . The display  274  may be one of a variety of functional components positioned within the interior volume  254  of the electronic device  204 . In some cases, the display  274  and/or other functional components positioned within the interior volume  254  may limit the field of view of the camera system  258 , particularly if the camera system  258  is positioned close to the edge of the display  274 . Thus, as described below with respect to  FIGS. 3A and 3B , at least a portion of the camera system  258  may be positioned within the recess  252 , which may increase the field of view of the camera system  258 . 
       FIGS. 3A and 3B  depict a cross-sectional view of an electronic device  304 . The electronic device  304  may be substantially analogous to the electronic devices described herein. The electronic device  304  may therefore include similar components and/or perform similar functions of the described electronic devices, including having a front cover, rear cover, enclosure component, display region, speaker, camera, and one or more input/output members, and, as depicted in  FIGS. 3A and 3B , a cover sheet  350 , an interior volume  354 , a camera system  358 , a lens  362 , a camera module  366 , a transparent window region  370 , and a display  374 . Redundant explanation of these components is omitted here for clarity. Accordingly, for purposes of illustration, the cross-sectional view of the electronic device  304  may correspond to line A-A of  FIG. 1A . However, it will be appreciated that the cross-sectional view shown in  FIGS. 3A and 3B  may be taken along substantially any portion of an external surface of the electronic device  304  and is shown in  FIGS. 3A and 3B  for purposes of illustration. 
     With reference to  FIG. 3A , the cover sheet  350  is shown having a recess, specifically blind recess  352 . The blind recess  352  may be a thinned and contoured region along an underside or inner surface of the cover sheet  350 . In particular, the blind recess  352  may be positioned along an inner surface of the cover sheet  350  at the transparent window region  370 . Accordingly, light from an external environment of the electronic device  304  may propagate through the cover sheet  350  at the transparent window region  370  and into the blind recess  352 . 
     As shown in  FIG. 3A , the blind recess  352  may have a contoured surface or contoured profile. In  FIG. 3A , the blind recess  352  is shown having a contoured profile  353  for purposes of illustration. The contoured profile  353  may correspond to or match a contoured profile of an exterior surface of a lens, for example, such as lens  362 . As explained in greater detail below, this may allow light to exit the cover sheet  350  at the blind recess  352  and propagate into the lens, or other optical component, without altering a path of the light or otherwise distorting an image that is detected by a camera module coupled with the lens. It will be appreciated that the contoured profile  353  is shown in  FIG. 3A  has an illustrative semi-circular shape; however, in other embodiments, the contoured surface of the blind recess  352  may be substantially any shape, contour, or other geometry that is configured to correspond or match a contour of a lens. 
     With reference to  FIG. 3B , the electronic device  304  is shown having the camera system  358  at least partially positioned within the blind recess  352 . In particular, the lens  362  may be at least partially positioned within the blind recess  352 . In other cases, the lens  362  may be fully positioned within the blind recess  352  and/or partially or fully removed from the blind recess  352 , as may be appropriate for a given application. By positioning at least some portion of the camera system  358  within the blind recess  352 , an overall thickness of the electronic device  304  may be reduced. 
     As described herein, the cover sheet  350  may be configured to direct light received at the transparent window region  370  toward the lens  362 . For example, the cover sheet  350  may receive light from an external environment at the transparent window region  370 . Light received at the transparent window region  370  may propagate through the cover sheet  350  and into the blind recess  352 . In particular, light may exit the cover sheet  350  at the contoured profile  353 . As described herein, the contoured profile  353  may be configured to match or correspond to a contour of the lens  362 , such as the lens contoured profile  363  shown in  FIG. 3B . The matching contours of the blind recess  352  and the lens  362  may cooperate to maintain a direction of light within an interface between the cover sheet  350  and the lens  362 . This may help reduce distortion, lensing, or other optical effects. 
     The camera system  358  is shown positioned at least partially within the blind recess  352  and adjacent the display  374 . The display  374  is positioned within the interior volume  354  along an inner surface of the cover sheet  350 . The camera system  358  may also be positioned adjacent other functional components, inks, and so on that are positioned below or along an inner surface of the cover sheet  350 , not shown in  FIG. 3B . Accordingly, the camera system  358 , and lens  362  in particular, may be positioned closer to the external surface of the cover sheet  350  than the display  374  and/or other components. In some cases, this may increase a field of view of the camera system  358  as compared to configurations in which the camera system  358  is not positioned at least partially within a feature of the cover sheet  350 . An increase in the field of view of the camera system  358  may be beneficial if the camera system  358  is used to perform facial recognition or otherwise used to perform user authentication. For example, a larger field of view may allow the electronic device  304  to capture an image of the user&#39;s face even when the electronic device  304  is resting flat on a table or desk. 
       FIGS. 4A and 4B  depict detail  1 - 1  of the electronic device  304  of  FIGS. 3A and 3B . In particular, detail  1 - 1  may show a portion of an optical interface region of the electronic device  304 . The optical interface region may be a region at which light travels between, for example, the cover sheet  350  and the lens  362 . As described herein, at least a portion of the lens  362  may be positioned within the blind recess  352 . The lens  362  may be separated from the cover sheet  350  within the blind recess  352 . The lens  362  may be configured to detect light that exits the cover sheet  350  at the blind recess  352 . 
     As described herein, the cover sheet  350  and the lens  362  may have corresponding or matching contours at the optical interface region. In this manner, a uniform light interface may be defined between the cover sheet  350  and the lens  362 . The uniform light interface may reduce distortion of the light between the cover sheet  350  and the lens  362 , thereby allowing the lens  362  to detect images substantially through the cover  350 . As described below with respect to  FIGS. 4A and 4B , the matching contours between the cover sheet  350  and the lens  362  may result in a uniform space or gap between the components, which may help minimize optical distortions or optical artifacts due to the interface between the components. 
     As shown in  FIGS. 4A and 4B , the blind recess  352  may have a recess contoured profile  353  and the lens may have a lens contoured profile  363  that corresponds to the recess contoured profile  353 . Specifically, the recess contoured profile  353  may be a first contour defined by the cover sheet  350  and the lens contoured profile  363  may be a second contour defined by the lens  362 , which may conform with, match, or otherwise correspond to the first contour defined by the cover sheet  350 . For example, each of the recess contoured profile  353  and the lens contoured profile  363  may have a similar profile, contour, shape, or other geometric property. In some cases, a uniform space or gap between the components may allow light to travel through the cover sheet  350  to the lens  362  though the interface without substantially distorting an image or other optical pattern to be captured by the camera. 
     With reference to  FIG. 4A , a portion of an optical interface region  400   a  is shown. The optical interface region  400   a  may correspond to an embodiment where the lens  362  is positioned at least partially within the blind recess  352  and separated from the cover sheet  350  by an offset. In particular, in the embodiment of  FIG. 4A , the lens  362  may be separated from the cover sheet  350  by an air gap. In this regard, the optical interface region  400   a  may be substantially free of intervening layers between the cover sheet  350  and the lens  362 , such as an optical filler or optical interface component. For certain light that enters the cover sheet  350 , light may travel along a light path L 1  between the cover sheet  350  and the lens  362 , as shown in  FIG. 4A . 
     With reference to  FIG. 4B , a portion of an optical interface region  400   b  is shown. The optical interface region  400   b  may correspond to an embodiment when the lens  362  is positioned at least partially within the blind recess  352  and separated from the cover sheet  350  by an offset. In particular, in the embodiment of  FIG. 4B , the lens  362  may be separated from the cover sheet  350  by an optical filler or optical interface component  376 . In some examples, the optical interface component  376  is an optical filler that includes a fluid or gel that is index matched or otherwise optically matched to one or both of the cover sheet  350  or the lens  362 . In this regard, the optical interface component  376  may reduce light reflection and refraction between the cover sheet  350  and the lens  362 . For certain light that enters the cover sheet  350 , light may generally travel along a light path L 1  between the cover sheet  350  and the lens  362 , as shown in  FIG. 4B . 
     In some examples, the optical interface component  376  includes one or more fiber optic elements, waveguides, or other components that are configured to help direct or maintain the direction of light that enters the lens  362  from the cover sheet  350 . In some cases, the fiber optic elements may help to increase the field of view or the amount of light that is able to enter the lens and eventually the camera module. The fiber optic elements may be positioned along a portion of or the entire optical interface between the lens  362  and the cover sheet  350 . 
       FIG. 5  depicts a cross-sectional view of an electronic device  504 . The electronic device  504  may be substantially analogous to the electronic devices described herein. The electronic device  504  may therefore include similar components and/or perform similar functions of the described electronic devices, including having a front cover, rear cover, enclosure component, display region, speaker, camera, and one or more input/output members, and, as depicted in  FIG. 5 , a cover sheet  550 , an interior volume  554 , a camera system  558 , a lens  562 , a camera module  566 , a transparent window region  570 , and a display  574 . Redundant explanation of these components is omitted here for clarity. Accordingly, for purposes of illustration, the cross-sectional view of the electronic device  504  may correspond to line A-A of  FIG. 1A . However, it will be appreciated that the cross-sectional view shown in  FIG. 5  may be taken along substantially any portion of an external surface of the electronic device  504  and is shown in  FIG. 5  for purposes of illustration. 
     In the embodiment of  FIG. 5 , the cover sheet  550  may form a portion of the camera system  558 . For example, the cover sheet  550  may have a contoured exterior surface  563  positioned at the transparent window region  570 . The contoured exterior surface  563  may allow a portion of the cover sheet  550  to define the lens  562 . For example, the contoured exterior surface  563  may allow the cover sheet  550  to receive light, and modify a direction of the received light as it travels toward the interior volume  554 . The contoured exterior surface  563  may modify the direction of the light in a manner that allows the camera module  566  to detect images through the transparent cover  550 . By forming the lens  562  from a portion of the cover sheet  550 , a thickness of the electronic device  504  may be further reduced. A field of view of the camera system  558  may also be expanded, for example, due in part to the lens  562  defining an exterior surface of the electronic device  504 . 
     The embodiment of  FIG. 5  may be implemented, as shown, with a camera module  566  positioned below an inner surface of the cover sheet  550 . However, the same principle may be applied to any of the previous examples. Specifically, the cover sheet  550  may include a contoured recess formed along an inner surface and the camera system  558  may have an additional lens that is positioned at least partially within the contoured recess. The examples described above with respect to  FIGS. 3A and 3B  depict such a nested lens configuration. Stated another way, the nested lens configuration of  FIGS. 3A and 3B  can be further modified by the configuration of  FIG. 5  to include an additional, external lens  562  formed along the exterior surface of the cover sheet  550 . 
     To facilitate the reader&#39;s understanding of the various functionalities of the embodiments discussed herein, reference is now made to the flow diagram in  FIG. 6 , which illustrates process  600 . While specific steps (and orders of steps) of the methods presented herein have been illustrated and will be discussed, other methods (including more, fewer, or different steps than those illustrated) consistent with the teachings presented herein are also envisioned and encompassed with the present disclosure. 
     In this regard, with reference to  FIG. 6 , process  600  relates generally to forming a cover sheet. The process  600  may be used to form or manufacture any of the cover sheets described herein, for example, such as the cover sheet  250 , the cover sheet  350 , and/or the cover sheet  550 , and variations and embodiments thereof. Accordingly, the cover sheet formed using the method described with respect to  FIG. 6  may be used as a component of, or define, a front cover, a rear cover, an enclose component, and/or any other component of the various electronic devices described herein that implement a cover sheet. 
     At operation  604 , a glass material may be heated at or above a transition temperature. The glass material may have a machined blind recess. For example and as shown in greater detail below with respect to  FIGS. 7A-7D , a glass material, such as soda lime, boro-silicate (and variations thereof), high silica content (96% or greater), zinc titanium, or the like, may be heated. In particular, the glass material may be heated to at or above a transition temperature, such as a glass transition temperature, and/or any other appropriate temperature that may allow for deformation or shaping without inducing brittle failure or other undesirable stresses in the material. Accordingly, the glass material may be heated at the operation  604  to within a range of between 200° C. and 1000° C.; however, other temperatures are possible, including heating the glass material to a temperature of below 200° C. or to a temperature of greater than 1000° C. during the operation  604 . 
     In some cases, the glass material may include ceramic crystalline structures, including certain compositions of sapphire and/or other compositions such as crystalline structures having a mixture of aluminum oxide, silicon oxide, and at least one of lithium oxide, magnesium oxide, or zinc oxide. For example, the glass material may nucleate and/or grow ceramic crystalline structures during the heating of the operation  604 , or during the process  600  more generally. The ceramic crystalline structures may enhance one or more material properties of the glass material, and finished cover sheet, such as resiliency and resistance to chipping, fracturing, and so on. The material properties may be based on the size, density, and/or other characteristic of the ceramic crystalline structures. Accordingly, it may be desirable to control growth of the ceramic crystalline structures to a specified size or density during the shaping operation  604 . 
     At operation  608 , the heated glass material may be pressed in a mold. For example and as shown in greater detail below with respect to  FIGS. 7A-7D , the heated glass material may be subjected to the mechanical forces of a press. The press may be used as an instrument of a precision molding process that is used to form one or more of the contoured surfaces of the cover sheets, as described herein. For example, the press may have a contoured surface that is forced against the heated glass material. As such, the heated glass material, which may be pliable, ductile, and so on due to the heating, may conform to the contoured surface of the press. Hydraulics may be used to manipulate the press; however, other mechanisms may also be used. 
     At operation  612 , a contoured blind recess may be formed from a portion of the glass material defining the machined blind recess. This may occur while pressing the heated glass material. The contoured blind recess may be configured to conform to a contour defined by an exterior surface of a lens. For example and as shown in greater detail below with respect to  FIGS. 7A-7D , the glass material may have a machined blind recess prior to being subjected to the mechanical press of the operation  608  and/or the heating of the operation  604 . For example, the machined blind recess may be drilled, ground, lapped, and/or otherwise mechanically formed into a surface of the glass material. The machined blind recess may have a substantially rough surface texture that may hinder the ability of the glass material to direct light into a lens substantially undistorted. 
     Accordingly, at the operation  612 , a contoured blind recess may be formed from a portion of the glass material that defines the machined blind recess. For example, a protrusion or other feature of the press may be advanced toward the glass material at the machined blind recess. The protrusion may be forced against the portion of the glass material that defines the machined blind recess. This portion of the glass material may subsequently conform to the substantially smooth contoured surface of the protrusion. As such, upon release of the press, the portion of the glass material that had defined the machined blind recess may define a contoured recess. In a particular embodiment, the protrusion may have a contour corresponding to a contour of a lens and/or other optical component, and the glass material may conform to this contour. This may allow the contoured blind recess formed in the glass material to conform to a contour defined by an exterior surface of a lens. 
     Turning next to  FIGS. 7A-7D , a cross-sectional view of a glass material is shown undergoing various processing steps. In particular,  FIGS. 7A-7D  depict the formation of a cover sheet, for example, such as that described above with respect to the process  600  of  FIG. 6 . It will be appreciated, however, that  FIGS. 7A-7D  are presented for purposes of illustration only; variations of the process  600 , including different processing steps than those of  FIGS. 7A-7D , are contemplated herein. 
     With reference to  FIG. 7A , a processing step  700   a  is shown. In the processing step  700   a , a glass material  704  is shown being heated by a heating system  708 . The processing step  700   a  may generally correspond to the operation  604  described above with respect to  FIG. 6 ; however, this is not required. For example, the glass material  704  may be heated to at or above a transition temperature, such as to the glass transition temperatures described herein. This may allow the glass material  704  to be subsequently processed into a desired contour, such as by using one or more of the precision glass molding techniques, as described herein. 
     In the example embodiment of  FIG. 7A , the heating system  708  may include a conveyance mechanism  712  and a heat source  716 . The conveyance mechanism  712  may allow for rapid or sequential advancement of the glass material  704  through the heating system  708 . The heat source  716  may be a furnace that is configured to output heat that is used by the heating system  708  to heat the glass material  704  to at or above the transition temperature. It will be appreciated, however, that the heating system  708  is shown for purposes of illustration, and that other heating systems may be used to implement one or more of the operations of the process  600  described above with respect to  FIG. 6 . 
     With reference to  FIG. 7B , a processing step  700   b  is shown. In the processing step  700   b , the glass material  704  is shown positioned relative to a press  720 . The processing step  700   b  may generally correspond to the operation  608  described above with respect to  FIG. 6 ; however, this is not required. 
     In the example embodiment of  FIG. 7B , the press  720  may be a mechanical or hydraulic press. The press  720  may thus be operable to exert a mechanical force on an object. The press  720  may be configured for use as an instrument of a precision molding process. For example, the press may include one or more contoured surfaces. The mechanical force exerted by the press may force the heated glass material to at least partially conform to the contoured surfaces of the press  720 . The press  720  may subsequently be released, thereby forming a desired shape in the glass material, such as any of the contoured blind recesses, contoured cover edges, and so on described herein. 
     To facilitate the foregoing, the press  720  may be at least partially formed from or coated with a material configured to interact with the heated glass material in a manner that forms the contoured blind recess. For example, in certain embodiments, the press  720  may include mechanical members at least partially formed from and/or coated with graphite, tungsten carbide, and/or a platinum iridium composition. Such material may lower a coefficient of friction between the press  720  and the heated glass material  704 , and thus may allow the press  720  to be released from the heated glass material  704  without substantially disturbing the contour formed during the pressing. 
     The press  720  may include a variety of shapes, geometries, contours, and so on in order to form a desired contour in the glass material  704 . For example, as described herein, the glass material  704  may be used to form a component of an electronic device, such as a cover or an enclosure component, and therefore the press  720  may have a contour that corresponds to a desired contour of the finished part for the electronic device. In the example embodiment of  FIG. 7B , the press  720  includes a protrusion  722 . The protrusion  722  may be advanced toward, and pressed into, the heated glass material  704 , as shown below with respect to  FIG. 7C . This may form a contoured blind recess in the heated glass material  704 . The protrusion  722  may have a protrusion contour  724 . The protrusion contour  724  may correspond to a contour of a lens, and therefore the contoured blind recess of the heated glass material  704  may therefore, too, correspond to the contour of the lens when formed. 
     As another example, the press  720  may have an edge contour  726 . The heated glass material  704  may be advanced toward and conform to the edge contour  726  when the press  720  is closed. This may form a contoured edge in the heated glass material  704 . This may allow the heated glass material  704  to be used to form a component of a cover sheet, enclosure component, and/or substantially any of the components of the electronic devices described herein having contoured edges. In other cases, the press  720  may have more, fewer, or different contours, as may be appropriate for a given application. 
     With reference to  FIG. 7C , a processing step  700   c  is shown. In the processing step  700   c , the press  720  is shown exerting a mechanical force on the heated glass material  704 . Due at least partially to the mechanical force of the press  720 , one or more surfaces of the heated glass material  704  may conform to a contour or feature of the press  720 . For example, the heated glass material  704  may conform to the protrusion contour  724 , the edge contour  726 , and/or other appropriate contour of the press  720 . The processing step  700   c  may generally correspond to the operation  612  described above with respect to  FIG. 6 ; however, this is not required. 
     With reference to  FIG. 7D , a processing step  700   d  is shown. In the processing step  700   d , the press  720  is shown being partially released from the heated glass material  704 . The press  720  may be released in a manner that allows the conformed portions of the heated glass material  704  to maintain a shape formed during, for example, the processing step  700   c . For example, as shown in  FIG. 7D , the heated glass material  704  may have a contoured blind recess  730  formed along an exterior surface. The heated glass material  704  may be subsequently cooled and used to form a component of an electronic device, such as a cover sheet, enclosure component, and so on, as may be appropriate for a given application. 
     In some embodiments, the glass material  704  may be strengthened around the blind recess  730 . For example, a thickness of the glass material  704  may be reduced at the blind recess  730 , and strengthening the glass material  704  may reduce potential failure mechanisms, including chipping. In some cases, the glass material  704  may be chemically strengthened along the blind recess  730 . The chemical strengthening may involve forming a compressive stress region along the blind recess, for example, such as the compressive stress region  1008  described below with respect to  FIG. 10A . The compressive stress region may have a compressive gradient that extends into a thickness of the glass material  704 . In this manner, the glass material  704  may have relatively higher compressive stresses proximate an external surface of the glass material  704 , than as compared to portions of the glass material  704  that are further from the external surface. This relationship between the thickness of the glass material  704  and the compressive stress may be illustrated by a depth of compressive—compressive stress curve, such as the curve  1066 , described below with respect to  FIG. 10B . 
     Chemically strengthening the glass material  704  may involve immersing the glass material  704  in one or more chemical baths. The chemical baths may contain various “equilibrium ions,” including various molten salts or other ions that may be used in an equilibrium reaction. In some cases, this may include ions of sodium, lithium, and/or potassium of varying concentrations; however, in other cases, other ions may be used. The immersion of the glass material  704  in the chemical bath may initiate an equilibrium reaction, for example, such as one that exchanges alkali ions of the glass with the ions of the chemical bath. As the glass material  704  and the ions of the chemical bath reach an equilibrium state, compressive stresses may be formed into a thickness of the glass material  704 . In some cases, such as that described below with respect to  FIGS. 10A and 10B , glass materials may be sequentially immersed in different chemical baths (e.g., such as those having different ions, or different concentrations of ions), in order to initiate multiple equilibrium reactions. Based at least partially on the time that the respective glass material may be immersed in a particular chemical bath, a compressive stress gradient may be formed into a thickness of the material. 
       FIG. 8  depicts a cross-sectional view of a glass material undergoing a processing step  800 . The processing step  800  may be another embodiment of a processing step used in the formation of a cover sheet, for example, such as that described above with respect to the process  600  of  FIG. 6 . In particular,  FIG. 8  shows a glass material  804  positioned relative to a press  820 . The processing step  800  may generally correspond to the operation  608  described above with respect to  FIG. 6 ; however, this is not required. 
     The glass material  804  and the press  820  may be substantially analogous to the various glass materials and presses described herein. Redundant explanation of these components is omitted here for clarity. Notwithstanding the foregoing similarities, the glass material  804  may be a glass gob. For example, rather than be a heated slab, block, or other shape having substantially regular surfaces, the glass material  804  may be an irregular or amorphous shape. This may allow the glass material  804  to take substantially any form prior to being manipulated by the press  820 . The operation of the press  820 , which may be analogous to the operation of the press  720  described above with respect to  FIGS. 7A-7D , may form the amorphously shaped glass material  804  into a final desired shape. To facilitate the foregoing, the gob of material may have a predetermined mass, thereby allowing the glass material  804  to appropriately form the desired shape when the press  820  is actuated. 
       FIG. 9  depicts a cross-sectional view of a glass material undergoing a processing step  900 . The processing step  900  may be another embodiment of a processing step used in the formation of a cover sheet, for example, such as that described above with respect to the process  600  of  FIG. 6 . In particular,  FIG. 9  shows a glass material  904  positioned relative to a press  920 . The processing step  900  may generally correspond to the operation  608  described above with respect to  FIG. 6 ; however, this is not required. 
     The glass material  904  and the press  920  may be substantially analogous to the various glass materials and presses described herein. Redundant explanation of these components is omitted here for clarity. Notwithstanding the foregoing similarities, the glass material  904  may have a machined blind recess  930 . For example, the machined blind recess  930  may be drilled, ground, lapped, and/or otherwise mechanically formed into a surface of the glass material  904 . This may occur before operation of the press  920 . The machined blind recess  930  may have a substantially rough surface texture that may hinder the ability of the glass material  904  to direct light into a lens substantially undistorted. In some cases, the machined blind recess  930  is substantially smooth but has other surface irregularities or features that may be unsuitable for use with a camera module, as described herein. 
     The operation of the press  920 , which may be analogous to the operation of the press  720  described above with respect to  FIGS. 7A-7D , may form a contoured blind recess from a portion of the heated glass material  904  that defines the machined blind recess  930 . For example, a protrusion or other feature of the press  920  may be advanced toward the heated glass material  904  at the machined blind recess  930 . The protrusion may be forced against the portion of the heated glass material  904  that defines the machined blind recess. This portion of the heated glass material  904  may subsequently conform to the substantially smooth contoured surface of the protrusion. As such, upon release of the press  920 , the portion of the heated glass material  904  that had defined the machined blind recess  930  may define a contoured blind recess. In a particular embodiment, the protrusion may have a contour corresponding to a contour of a lens and/or other optical component, and the glass material may conform to this contour. This may allow the contoured blind recess formed in the heated glass material  904  to conform to a contour defined by an exterior surface of a lens. 
       FIGS. 10A and 10B  relate to a cover sheet having a compressive stress region. As described herein, any of the cover sheets, glass materials, transparent windows, and so on may be strengthened in order to reduce potential failure mechanisms, including chipping. In some cases, the material may be chemically strengthened according to one or more of the methods described herein. 
     With reference to  FIG. 10A , a cross-sectional view of a cover sheet  1000  is shown. The cover sheet  1000  may be substantially analogous to any of the cover sheets described herein. The cover sheet  1000  may therefore include similar components and/or perform similar functions of the described cover sheets, including having a blind recess  1004  that is configured to match a contour of a lens. Redundant explanation of these components and functions is omitted here for clarity. 
     In the embodiment of  FIG. 10A , the cover sheet  1000  may be a strengthened glass material. For example, the cover sheet  1000  may be formed from any of the glass materials described herein and be strengthened in order to impair or mitigate crack propagation along an external surface of the cover sheet  1000 . As shown in  FIG. 10A , the cover sheet  1000  may exhibit internal compressive stresses within a thickness of the cover sheet  1000  indicated by compressive stress band C. The cover sheet  1000  may also exhibit internal tensile stresses within a thickness of the cover sheet  1000  indicated by tensile stress band T. The internal compressive and tensile stresses of the cover sheet  1000  may be formed from a variety of processes, including chemical strengthening, as described herein. 
     The cover sheet  1000  may exhibit different compressive stress regions and/or profiles based the blind recess  1004 . As described herein, the cover sheet  1000  may be thinned at the blind recess  1004 . Accordingly, as shown in  FIG. 10A , a thickness of a compressive stress region C may also vary at or along a portion of the cover sheet  1000  having the blind recess  1004 . In one embodiment, the compressive stress region C may have a thickness T 1  at a portion of the cover sheet  1000  that extends along a surface that surrounds or is adjacent to the blind recess  1004 . As shown in  FIG. 10A , the compressive stress region C may extend both the front and rear surfaces of the cover sheet  1000 . 
     At a portion of the cover sheet  1000  that extends along and/or forms at least a portion of the blind recess  1004 , the compressive stress region C may have a thickness T 2 . In this example the portion of the cover sheet  1000  that is thinned due to the formation of the blind recess  1004  has a compressive stress region C with a thickness T 2  that is less than the thickness T 1 .  FIG. 10A  depicts one example embodiment in which the outer compressive stress region C is thinner. However, in other embodiments, the compressive stress region C that is formed along at least a portion of a surface of the blind recess  1004  may have a reduced thickness similar to T 2 . 
     Thus, as depicted in  FIG. 10A , the cover sheet  1000  may have distinct compressive stress regions. For example, localized regions of the cover sheet  1000 , such as those that extend across or are positioned along, the blind recess  1004 , may be thinner and may exhibit greater compressive stresses than other regions of the cover sheet  1000 . This may help reduce potential failure mechanisms at or near the blind recess  1004 . This may also help preserve or maintain a thickness of the tensile stress region T, which may also improve the reliability and/or toughness of the cover sheet  1000 . 
     In a particular embodiment, the cover sheet  1000  may have a first compressive stress region  1008  and a second compressive stress region  1010 . The first compressive stress region  1008  may generally correspond to a region of the compressive stress band C that extends across or is positioned along the blind recess  1004  and generally has the thickness T 2 . The second compressive stress region  1010  may generally correspond to a region of the compressive stress band C that is surrounding the blind recess  1004  and generally has the thickness T 1 . 
     The first compressive stress region  1008  may exhibit a higher peak compressive stress but over a thinner region as compared to the second compressive stress region  1010 . For example and as described in greater detail below with respect to  FIG. 10B , the first compressive stress region  1008  may include a spiked or enhanced compressive stress profile in which compressive stress exhibited by the cover sheet  1000  is greatest at or near an external surface of the cover sheet  1000 . The compressive stress may decrease or taper into a thickness of the cover sheet  1000 . In some cases, the first compressive stress region  1008  may have a stepped compressive stress profile having multiple distinct compressive stress regions, such as that shown in  FIG. 10B . This may allow the cover sheet  1000  to exhibit an enhanced or “spiked” compressive stress region at or near the surface, thereby facilitating failure mitigation for the cover sheet  1000  while also allowing for a suitable tensile region located over the blind recess  1004 . 
     It will be appreciated that the foregoing is presented for purposes of illustration. The second compressive stress region  1010 , or any region of the cover sheet  1000 , may exhibit compressive stresses corresponding to those of the first compressive stress region  1008 . For example, the second compressive stress region  1010  may also have one or more compressive stress profiles, where the compressive stress is enhanced or “spiked” at or near an external surface and tapers into a thickness of the cover sheet  1000 . 
     With reference to  FIG. 10B , a compressive stress—depth of compression diagram  1050  (also referred to herein as “diagram  1050 ”) is depicted. The diagram  1050  depicts an amount of compressive stress exhibited by a cover sheet at corresponding depths into the material from an external surface. The diagram  1050  shows a compressive stress profile  1054  that represents the amount of compressive stress (e.g., as indicated by a compressive stress axis  1058 ) exhibited by the cover sheet for the corresponding depth (e.g., as indicated by a depth of compression axis  1062 ). The compressive stress profile  1054  may correspond to an enhanced or “spiked” compressive stress region that may be formed along, for example, the first compressive stress region  1008 . However, depending on the embodiment, the compressive stress profile  1054  may correspond to other portions or regions of a cover sheet. 
     As described herein, the cover sheet represented by the compressive stress profile  1054  may be subjected to a multi-step strengthening process that produces a relatively higher compressive stress near an external surface of the cover sheet, as compared with a region further from the external surface. As shown in  FIG. 10B , the compressive stress profile  1054  includes a first segment or portion  1066  and a second segment or portion  1070 . The first portion  1066  may correspond to a region of the cover sheet that is strengthened as a result of a first chemical bath and a second chemical bath, whereas the second portion  1070  may correspond to a deeper region of the cover sheet that is strengthened as a result of only the first chemical bath. The second chemical bath may have a different concentration and/or type of equilibrium ions than the first chemical bath, and the cover sheet may be immersed in the second chemical bath for a different duration, thereby producing the different stress profiles of the compressive stress profile  1054  indicated by the first portion  1066  and the second portion  1070 . 
     To illustrate, in an embodiment and as described above with respect to the process  600  of  FIG. 6 , the cover sheet may be immersed in multiple, different chemical baths in order to produce the stress profile represented by the compressive stress profile  1054 . For example, the cover sheet may be immersed in a first chemical bath having a first concentration of an equilibrium ion for a first duration. As a result of this immersion of the cover sheet in the first chemical bath, the cover sheet may exhibit a compressive stress profile corresponding to the second portion  1070 . This profile may extend from an external surface of the cover sheet and into an appropriate thickness. 
     Subsequently, the cover sheet may be immersed in a second chemical bath having a second concentration of the equilibrium ion (or a different equilibrium ion) for a second duration. In one embodiment, the second concentration of the equilibrium ion may be greater than the first concentration of the equilibrium ion, and the second duration of the second chemical bath may be less than the first duration of the first chemical bath. As a result of this immersion of the cover sheet in the second chemical bath, the cover sheet may exhibit a compressive stress profile corresponding to the first portion  1066  at least partially into a thickness of the cover sheet. At least some of the thickness of the cover sheet remains substantially unaffected by the second chemical bath (e.g., due to the different duration and/or ion concentration of the second chemical bath), and thus the cover sheet maintains the stress profile of the second portion  1070  at a thickness further from an external surface of the cover sheet than that represented by the first portion  1066 . Accordingly, as a result of both the first chemical bath and the second chemical bath, the cover sheet may exhibit a stress profile corresponding to the compressive stress profile  1054 , in which the cover sheet exhibits a relatively higher compressive stress in a region of the material near an external surface, as compared with a region further from the external surface. 
     In addition, the compressive stress having the profile  1054  depicted in  FIG. 10B , may be formed over a localized region of the cover glass. In accordance with the example described above, the compressive stress with the profile  1054  may be formed over the compressive stress region  1008  of  FIG. 10A . In order to achieve a localized compressive stress having a distinct chemical strength profile, one or more regions of the cover glass may be masked or covered during one or more chemically strengthening operations. In one example, a first region (corresponding to the first compressive stress region  1008 ) may be masked while the second compressive stress region is formed using one or more ion exchange processes. The mask or cover may then be removed from the region (that corresponds to first compressive stress region  1008 ) and the cover glass may be subjected to a multiple-stage ion exchange process to produce a profile similar to the profile  1054  of  FIG. 10B . The second compressive stress region may be masked or covered during the subsequent multi-stage ion exchange process. In some cases, a second region (corresponding to the second compressive stress region  1010 ) may be masked while the first compressive stress region  1008  is formed and before forming the second compressive stress region  1010 . Other combinations are possible in order to achieve the distinct compressive stress regions depicted in  FIG. 10A . 
     It will be appreciated that the particular profiles represented by the compressive stress profile  1054  are described for purposes of illustration only. The compressive stress profile of the cover sheet, or any material or component described herein, may be at least partially based on, for example, the composition of the glass material of the cover sheet and the chemical baths, including the type and concentration of equilibrium ions. The duration of the chemical baths may also influence the compressive profile, for example, by defining an extent to which a particular compressive stress profile extends into a thickness of the cover sheet, among other considerations. In other embodiments, other techniques may be implemented to form the compressive stress region of the cover sheet, including various heat treatments, or the like. 
       FIG. 11  depicts an example electronic device  1100 . The electronic device  1100  may correspond to the electronic device  104  described with respect to  FIGS. 1A and 1B  and other figures herein. It will be appreciated, however, that the functional block diagram described herein of electronic device  1100  may include components substantially analogous to components of other electronic devices or the like described herein. In this regard, the schematic representation in  FIG. 11  may correspond to the electronic device depicted in  FIG. 1 , described above. However, the schematic representation in  FIG. 11  may also correspond to the other electronic devices or the like described herein, for example, such as electronic devices  204 ,  304 , and  504 . The electronic device  1100  may include any appropriate hardware (e.g., integrated circuits, signal processors, sensors), software (e.g., applications, operating systems, firmware), network components (e.g., network interfaces, wireless communication systems), and the like (not necessarily shown in the interest of clarity) for use in facilitating any appropriate operations disclosed herein. 
     As shown in  FIG. 11 , the electronic device  1100  may include one or more processing units or elements  1108  operatively connected to computer memory  1112  and computer-readable media  1116 . The processing unit  1108  may be operatively connected to the memory  1112  and computer-readable media  1116  components via an electronic bus or bridge (e.g., such as system bus  1110 ). The processing unit  1108  may include one or more computer processors or microcontrollers that are configured to perform operations in response to computer-readable instructions. The processing unit  1108  may be a central processing unit electronic device. Additionally or alternatively, the processing unit  1108  may be other processors within the device including application specific integrated chips (ASIC) and other microcontroller devices. 
     The memory  1112  may include a variety of types of non-transitory computer-readable storage media, including, for example, read access memory (RAM), read-only memory (ROM), erasable programmable memory (e.g., EPROM and EEPROM), or flash memory. The memory  1112  is configured to store computer-readable instructions, sensor values, and other persistent software elements. Computer-readable media  1116  may also include a variety of types of non-transitory computer-readable storage media, including, for example, a hard-drive storage device, a solid-state storage device, a portable magnetic storage device, or other similar device. The computer-readable media  1116  may also be configured to store computer-readable instructions, sensor values, and other persistent software elements. 
     In this example, the processing unit  1108  is operable to read computer-readable instructions stored on the memory  1112  and/or computer-readable media  1116 . The computer-readable instructions may adapt the processing unit  1108  to perform the operations or functions described above with respect to  FIGS. 1-5 . The computer-readable instructions may be provided as a computer-program product, software application, or the like. 
     As shown in  FIG. 11 , the electronic device  1100  may also include a display  1118 . The display  1118  may include a liquid-crystal display (LCD), organic light emitting diode (OLED) display, light emitting diode (LED) display, or the like. If the display  1118  is an LCD, the display may also include a backlight component that can be controlled to provide variable levels of display brightness. If the display  1118  is an OLED or LED type display, the brightness of the display  1118  may be controlled by modifying the electrical signals that are provided to display elements. 
     The electronic device  1100  may also include a battery  1124  that is configured to provide electrical power to the components of the electronic device  1100 . The battery  1124  may include one or more power storage cells that are linked together to provide an internal supply of electrical power. In this regard, the battery  1124  may be a component of a power source  1128  (e.g., including a charging system or other circuitry that supplies electrical power to components of the electronic device  1100 ). The battery  1124  may be operatively coupled to power management circuitry that is configured to provide appropriate voltage and power levels for individual components or groups of components within the electronic device  1100 . The battery  1124 , via power management circuitry, may be configured to receive power from an external source, such as an AC power outlet or interconnected computing device. The battery  1124  may store received power so that the electronic device  1100  may operate without connection to an external power source for an extended period of time, which may range from several hours to several days. 
     The electronic device  1100  may also include one or more sensors  1140  that may be used to detect a touch and/or force input, environmental condition, orientation, position, or some other aspect of the electronic device  1100 . For example, sensors  1140  that may be included in the electronic device  1100  may include, without limitation, one or more accelerometers, gyrometers, inclinometers, or magnetometers. The sensors  1140  may also include one or more proximity sensors, such as a magnetic hall-effect sensor, inductive sensor, capacitive sensor, continuity sensor, or the like. 
     The sensors  1140  may also be broadly defined to include wireless positioning devices including, without limitation, global positioning system (GPS) circuitry, Wi-Fi circuitry, cellular communication circuitry, and the like. The electronic device  1100  may also include one or more optical sensors, including, without limitation, photodetectors, photosensors, image sensors, infrared sensors, or the like. In one example, the sensor  1140  may be an image sensor that detects a degree to which an ambient image matches a stored image. In another example, the sensor  1140  may include an optical imaging sensor or other imaging device that may be used to identify a user of the electronic device  1100 . Specifically, the sensor  1140  may include a sensor or array of sensors that are configured to perform facial recognition to unlock the device or otherwise authenticate the identity of the user. The sensors  1140  may also include one or more acoustic elements, such as a microphone used alone or in combination with a speaker element. The sensors  1140  may also include a temperature sensor, barometer, pressure sensor, altimeter, moisture sensor, or other similar environmental sensor. The sensors  1140  may also include a light sensor that detects an ambient light condition of the electronic device  1100 . 
     The sensor  1140 , either alone or in combination, may generally be a motion sensor that is configured to estimate an orientation, position, and/or movement of the electronic device  1100 . For example, the sensor  1140  may include one or more motion sensors, including, for example, one or more accelerometers, gyrometers, magnetometers, optical sensors, or the like to detect motion. The sensors  1140  may also be configured to estimate one or more environmental conditions, such as temperature, air pressure, humidity, and so on. The sensors  1140 , either alone or in combination with other input, may be configured to estimate a property of a supporting surface, including, without limitation, a material property, surface property, friction property, or the like. 
     The electronic device  1100  may also include a camera  1132  that is configured to capture a digital image or other optical data. The camera  1132  may include a charge-coupled device, complementary metal oxide (CMOS) device, or other device configured to convert light into electrical signals. The camera  1132  may also include one or more light sources, such as a strobe, flash, or other light-emitting device. As discussed above, the camera  1132  may be generally categorized as a sensor for detecting optical conditions and/or objects in the proximity of the electronic device  1100 . However, the camera  1132  may also be used to create photorealistic images that may be stored in an electronic format, such as JPG, GIF, TIFF, PNG, raw image file, or other similar file types. 
     The electronic device  1100  may also include a communication port  1144  that is configured to transmit and/or receive signals or electrical communication from an external or separate device. The communication port  1144  may be configured to couple to an external device via a cable, adaptor, or other type of electrical connector. In some embodiments, the communication port  1144  may be used to couple the electronic device  1100  with a computing device and/or other appropriate accessories configured to send and/or receive electrical signals. The communication port  1144  may be configured to receive identifying information from an external accessory, which may be used to determine a mounting or support configuration. For example, the communication port  1144  may be used to determine that the electronic device  1100  is coupled to a mounting accessory, such as a particular type of stand or support structure. 
     As shown in  FIG. 11 , the electronic device  1100  may also include one or more input devices  1146 . The input device  1146  may be or include the display region  112  (and associated elements) described herein. For example, the input device  1146  may be configured to receive an input that is used to control a function of the electronic device  1100 . With regard to some of the examples described herein, the input device  1146  may include a capacitive touch sensor that is configured to detect a location of a touch along the cover. Example touch sensors include, without limitation, a mutually capacitive touch sensor and/or a self-capacitive touch sensor. The input device  1146  may also include one or more force sensors that are configured to detect or estimate an amount of force applied to the cover. Example force sensors include, without limitation, capacitive force sensors, strain-based force sensors, and/or other types of electronic force sensors. The touch and/or force sensors may be attached to or otherwise coupled to the cover. In some cases, the touch and/or force sensors are integrated into the display or another electronic element of the device  1100 . Additionally, the input device  1146  may be one or more of a keyboard, mouse, pen, stylus, sound input device, touch input device, or the like. 
     It is well understood that the use of personally identifiable information should follow privacy policies and practices that are generally recognized as meeting or exceeding industry or governmental requirements for maintaining the privacy of users. In particular, personally identifiable information data should be managed and handled so as to minimize risks of unintentional or unauthorized access or use, and the nature of authorized use should be clearly indicated to users. 
     Other examples and implementations are within the scope and spirit of the disclosure and appended claims. For example, features implementing functions may also be physically located at various positions, including being distributed such that portions of functions are implemented at different physical locations. Also, as used herein, including in the claims, “or” as used in a list of items prefaced by “at least one of” indicates a disjunctive list such that, for example, a list of “at least one of A, B, or C” means A or B or C or AB or AC or BC or ABC (i.e., A and B and C). Further, the term “exemplary” does not mean that the described example is preferred or better than other examples. 
     The foregoing description, for purposes of explanation, uses specific nomenclature to provide a thorough understanding of the described embodiments. However, it will be apparent to one skilled in the art that the specific details are not required in order to practice the described embodiments. Thus, the foregoing descriptions of the specific embodiments described herein are presented for purposes of illustration and description. They are not targeted to be exhaustive or to limit the embodiments to the precise forms disclosed. It will be apparent to one of ordinary skill in the art that many modifications and variations are possible in view of the above teachings.

Metadata:
Filing Date: 20190108
Publication Date: 20200623
Grant Date: 20200623
Priority Date: 20180706
Inventors: JONES, CHRISTOPHER D.
Assignee: APPLE INC
CPC Classifications: [{"code": "H04N23/54", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04N23/55", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04N23/54", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04N23/51", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04M1/0264", "inventive": true, "first": true, "tree": "[]"}, {"code": "H04N23/57", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04N23/57", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04N23/55", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04N23/57", "inventive": true, "first": false, "tree": "[]"}, {"code": "G02B13/0055", "inventive": true, "first": false, "tree": "[]"}, {"code": "G02B13/001", "inventive": true, "first": false, "tree": "[]"}, {"code": "G02B13/001", "inventive": true, "first": false, "tree": "[]"}, {"code": "C03B23/0013", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04M1/026", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04M1/0264", "inventive": true, "first": true, "tree": "[]"}, {"code": "H04M1/0264", "inventive": true, "first": true, "tree": "[]"}, {"code": "C03C21/002", "inventive": true, "first": false, "tree": "[]"}, {"code": "G02B13/001", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04N5/2252", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04N5/2257", "inventive": true, "first": false, "tree": "[]"}, {"code": "H04M1/0264", "inventive": true, "first": true, "tree": "[]"}, {"code": "H04N5/2253", "inventive": true, "first": false, "tree": "[]"}]
Family ID: 69102426