Patent Publication Number: US-2022236057-A1

Title: Vibrator Device, Electronic Apparatus, And Vehicle

Description:
This application is a continuation of U.S. patent application Ser. No. 16/941,655 filed Jul. 29, 2020, which claims priority to Japanese Patent Application Number 2019-139663, filed Jul. 30, 2019, all of which are hereby expressly incorporated by reference herein in their entireties. 
    
    
     BACKGROUND 
     1. Technical Field 
     The present disclosure relates to a vibrator device, an electronic device, and a vehicle. 
     2. Related Art 
     In JP-A-2017-26336, there is described a vibrator device which is used as an angular velocity sensor, and has a vibrator element supported above a TAB substrate with a plurality of inner leads. The vibrator element has a drive arm and a detection arm, wherein the drive arm is provided with a drive signal electrode and a drive constant-potential electrode, and performs a drive vibration in response to a drive signal applied to the drive signal electrode, and the detection arm is provided with a detection signal electrode and a detection constant-potential electrode, and performs a detection vibration in response to inertia to thereby output a detection signal from the detection signal electrode. Meanwhile, the plurality of inner leads includes an inner lead for the drive signal electrode electrically coupled to the drive signal electrode, an inner lead for the drive constant-potential electrode electrically coupled to the drive constant-potential electrode, an inner lead for the detection signal electrode electrically coupled to the detection signal electrode, and an inner lead for the detection constant-potential electrode electrically coupled to the detection constant-potential electrode. 
     However, in the vibrator device described above, the inner lead for the detection signal electrode is disposed close to the drive signal electrode, and further, a member for shielding against an electric field such as a shield member does not exist therebetween. Therefore, capacitive coupling easily occurs between the inner lead for the detection signal electrode and the drive signal electrode, and there is a problem that the drive signal to be applied to the drive signal electrode is mixed as a noise into the detection signal via the inner lead for the detection signal electrode to degrade the detection accuracy of the angular velocity. 
     SUMMARY 
     A vibrator device according to an application example includes a vibrator element, and a support substrate configured to support the vibrator element, wherein the vibrator element includes a drive arm which is provided with a drive signal electrode and a drive constant-potential electrode, and performs a drive vibration in response to a drive signal applied to the drive signal electrode, and a detection arm which is provided with a detection signal electrode and a detection constant-potential electrode, and performs a detection vibration in accordance with a physical quantity of a detection target to thereby output a detection signal from the detection signal electrode, the support substrate includes a base, and a drive signal interconnection electrically coupled to the drive signal electrode, a drive constant-potential interconnection electrically coupled to the drive constant-potential electrode, and a detection signal interconnection electrically coupled to the detection signal electrode all provided to the base, the drive arm includes a first surface located at the support substrate side, and a second surface located at an opposite side to the first surface, the drive constant-potential electrode is disposed on the first surface, and the drive signal electrode is disposed on the second surface. 
     In the vibrator device according to the application example, the drive arm may have a third surface and a fourth surface which form a pair, and connect the first surface and the second surface to each other, and the drive constant-potential electrode may be disposed on the first surface, the third surface, and the fourth surface. 
     In the vibrator device according to the application example, the drive constant-potential electrode may be divided into a portion disposed on the first surface, a portion disposed on the third surface, and a portion disposed on the fourth surface. 
     In the vibrator device according to the application example, the first surface has a recess recessed toward the second surface, and the drive constant-potential electrode may be disposed in the recess. 
     In the vibrator device according to the application example, the detection signal interconnection may have a portion opposed to the drive arm. 
     In the vibrator device according to the application example, tip parts of the drive signal interconnection, the drive constant-potential interconnection, and the detection signal interconnection may protrude from the base, and the vibrator element may be supported by the tip parts. 
     An electronic apparatus according to an application example includes the vibrator device described above, and a signal processing circuit configured to perform signal processing based on an output signal of the vibrator device. 
     A vehicle according to an application example includes the vibrator device described above, and a signal processing circuit configured to perform signal processing based on an output signal of the vibrator device. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a cross-sectional view showing a vibrator device according to a first embodiment. 
         FIG. 2  is a plan view showing a vibrator element provided to the vibrator device shown in  FIG. 1 . 
         FIG. 3  is a cross-sectional view along the line A-A in  FIG. 2 . 
         FIG. 4  is a cross-sectional view along the line B-B in  FIG. 2 . 
         FIG. 5  is a schematic diagram for explaining drive of the vibrator element shown in  FIG. 2 . 
         FIG. 6  is a schematic diagram for explaining drive of the vibrator element shown in  FIG. 2 . 
         FIG. 7  is a cross-sectional view showing a related-art electrode arrangement of a vibrator element. 
         FIG. 8  is a cross-sectional view showing a related-art electrode arrangement of a vibrator element. 
         FIG. 9  is a plan view showing the vibrator device shown in  FIG. 1 . 
         FIG. 10  is a plan view showing a support substrate provided to the vibrator device shown in  FIG. 1 . 
         FIG. 11  is a cross-sectional view for explaining an advantage of the vibrator device. 
         FIG. 12  is a cross-sectional view for explaining an advantage of the vibrator device. 
         FIG. 13  is a cross-sectional view of a drive arm provided to a vibrator element in a second embodiment. 
         FIG. 14  is a cross-sectional view of the drive arm provided to the vibrator element in the second embodiment. 
         FIG. 15  is a cross-sectional view of the drive arm provided to the vibrator element in a third embodiment. 
         FIG. 16  is a cross-sectional view of the drive arm provided to the vibrator element in the third embodiment. 
         FIG. 17  is a cross-sectional view of a drive arm provided to a vibrator element in a fourth embodiment. 
         FIG. 18  is a cross-sectional view of the drive arm provided to the vibrator element in the fourth embodiment. 
         FIG. 19  is a cross-sectional view of a drive arm provided to a vibrator element in a fifth embodiment. 
         FIG. 20  is a cross-sectional view of the drive arm provided to the vibrator element in the fifth embodiment. 
         FIG. 21  is a plan view showing a vibrator device according to a sixth embodiment. 
         FIG. 22  is a plan view showing a support substrate provided to the vibrator device shown in  FIG. 21 . 
         FIG. 23  is a perspective view showing a personal computer according to a seventh embodiment. 
         FIG. 24  is a perspective view showing a cellular phone according to an eighth embodiment. 
         FIG. 25  is a perspective view showing a digital still camera according to a ninth embodiment. 
         FIG. 26  is a perspective view showing a car according to a tenth embodiment. 
     
    
    
     DESCRIPTION OF EXEMPLARY EMBODIMENTS 
     A vibrator device, an electronic apparatus, and a vehicle according to the present application example will hereinafter be described in detail based on some embodiments shown in the accompanying drawings. 
     First Embodiment 
       FIG. 1  is a cross-sectional view showing a vibrator device according to a first embodiment.  FIG. 2  is a plan view showing a vibrator element provided to the vibrator device shown in  FIG. 1 .  FIG. 3  is a cross-sectional view along the line A-A in  FIG. 2 .  FIG. 4  is a cross-sectional view along the line B-B in  FIG. 2 .  FIG. 5  and  FIG. 6  are each a schematic diagram for explaining drive of the vibrator element shown in  FIG. 2 .  FIG. 7  and  FIG. 8  are each a cross-sectional view showing a related-art electrode arrangement of the vibrator element.  FIG. 9  is a plan view showing the vibrator device shown in  FIG. 1 .  FIG. 10  is a plan view showing a support substrate provided to the vibrator device shown in  FIG. 1 .  FIG. 11  and  FIG. 12  are each a cross-sectional view for explaining an advantage of the vibrator device. 
     It should be noted that in  FIG. 1  through  FIG. 12 , there are shown an A axis, a B axis, and a C axis as three axes perpendicular to each other for the sake of convenience of explanation. Further, hereinafter, the tip side of the arrow of each of the axes is also referred to as a “positive side,” and the opposite side is also referred to as a “negative side.” Further, the positive side of the C axis is also referred to as an “upper side,” and the negative side is also referred to as a “lower side.” Further, the plan view from a direction along the C axis is also referred to simply as a “plan view.” 
     The vibrator device  1  shown in  FIG. 1  is a physical quantity sensor, and is in particular a gyro sensor capable of detecting angular velocity ωc defining the C axis as the detection axis. Such a vibrator device  1  has a package  3 , a vibrator element  4  housed in the package  3 , a support substrate  5 , and a circuit element  6 . 
     The package  3  has a base  31  provided with a recess  311  opening in an upper surface, and a plate-shaped lid  32  which is bonded to an upper surface of the base  31  via a bonding member  33  so as to close the opening of the recess  311 . The recess  311  forms an internal space S inside the package  3 , and the vibrator element  4 , the support substrate  5 , and the circuit element  6  are housed in the internal space S. For example, the base  31  can be formed of ceramics such as alumina, and the lid  32  can be formed of a metal material such as kovar. It should be noted that the constituent material of each of the base  31  and the lid  32  is not particularly limited. For example, the lid  32  can be formed of a glass material having a light transmissive property. 
     Further, the internal space S is airtightly sealed, and is set in a reduced-pressure state, and is preferably a state approximate to a vacuum state. Thus, the vibration characteristics of the vibrator element  4  are improved. It should be noted that the atmosphere in the internal space S is not particularly limited, but can be an atmosphere filled with an inert gas such as nitrogen or Ar, or can be in the atmospheric pressure state or a pressurized state instead of the reduced-pressure state. 
     Further, the recess  311  has a recess  311   a , a recess  311   b , and a recess  311   c  wherein the recess  311   a  opens in the upper surface of the base  31 , the recess  311   b  opens in a bottom surface of the recess  311   a  and is smaller in opening width than the recess  311   a , and the recess  311   c  opens in a bottom surface of the recess  311   b  and is smaller in opening width than the recess  311   b . Further, the support substrate  5  is bonded to the bottom surface of the recess  311   a  via bonding members B 1  having electrical conductivity, the vibrator element  4  is bonded to the support substrate  5  via bonding members B 2  having electrical conductivity, and the circuit element  6  is bonded to a bottom surface of the recess  311   c.    
     By making the support substrate  5  intervene between the vibrator element  4  and the base  31 , it becomes difficult for the stress caused by, for example, an impact or a heat deflection of the package  3  to reach the vibrator element  4 , and it is possible to suppress degradation or a variation in vibration characteristics of the vibrator element  4 . 
     Further, on the bottom surface of the recess  311   a , there is disposed a plurality of internal terminals  341 , on the bottom surface of the recess  311   b , there is disposed a plurality of internal terminals  342 , and on the lower surface of the base  31 , there are disposed external terminals  343 . Some of the internal terminals  342  are electrically coupled to the internal terminals  341  via internal interconnections not shown formed inside the base  31 , and some of the rest of the internal terminals  342  are electrically coupled to external terminal  343  via the internal interconnections described above. Further, each of the internal terminals  342  is electrically coupled to the circuit element  6  via bonding wires BW. 
     The vibrator element  4  is a sensor element for detecting a physical quantity, and is in particular a gyro sensor element for detecting the angular velocity we defining the C axis as the detection axis in the present embodiment. As shown in  FIG. 2  through  FIG. 4 , such a vibrator element  4  has a vibrating body  41  and electrodes  48  disposed on the vibrating body  41 . 
     The vibrating body  41  is formed of a Z-cut quartz crystal plate, and has spread in an X-Y plane defined by an X axis as the electrical axis and a Y axis as the mechanical axis, the electrical axis and the mechanical axis being crystal axes of the quartz crystal, and has a thickness in a Z-axis direction as an optical axis. Further, the vibrating body  41  has a base part  42 , detection arms  431 ,  432  extending toward both sides along the Y axis from the base part  42 , coupling arms  441 ,  442  extending toward both sides along the X axis from the base part  42 , drive arms  451 ,  452  extending toward both sides along the Y axis from a tip part of the coupling arm  441 , and drive arms  453 ,  454  extending toward both sides along the Y axis from a tip part of the coupling arm  442 . 
     The drive arms  451  through  454  each have a substantially rectangular lateral cross-sectional shape, and each have a lower surface  4   a  as a first surface, an upper surface  4   b  as a second surface located at an opposite side to the lower surface  4   a , a side surface  4   c  as a third surface coupling the lower surface  4   a  and the upper surface  4   b  to each other on one side, and a side surface  4   d  as a fourth surface coupling the lower surface  4   a  and the upper surface  4   b  to each other on the other side. Further, the drive arms  451 ,  452 ,  453 , and  454  respectively has recesses  4511 ,  4521 ,  4531 , and  4541  opening in the lower surfaces  4   a , and recesses  4512 ,  4522 ,  4532 , and  4542  opening in the upper surfaces  4   b.    
     It should be noted that the configuration of the drive arms  451 ,  452 ,  453 , and  454  and the detection arms  431 ,  432  is not limited thereto, but, for example, wide parts disposed on the tip side can be eliminated, or the recesses  4511  through  4541 , and  4512  through  4542  can also be eliminated. 
     Further, the electrodes  48  have a drive signal electrode  481 , a drive ground electrode  482 , a first detection signal electrode  483 , a first detection ground electrode  484 , a second detection signal electrode  485 , and a second detection ground electrode  486 . It should be noted that the drive ground electrode  482  is the ground for the drive signal electrode  481 , the first detection ground electrode  484  is the ground for the first detection signal electrode  483 , and the second detection ground electrode  486  is the ground for the second detection signal electrode  485 . 
     The drive signal electrode  481  is disposed on the upper surfaces  4   b  of the drive arms  451 ,  452 , and the both side surfaces  4   c ,  4   d  of the drive arms  453 ,  454 . On the other hand, the drive ground electrode  482  is disposed on the lower surfaces  4   a  and both side surfaces  4   c ,  4   d  of the drive arms  451 ,  452 , and the upper surface  4   b  and the lower surface  4   a  of the drive arms  453 ,  454 . Further, the first detection signal electrode  483  is disposed on the upper surface and the lower surface of the detection arm  431 , and the first detection ground electrode  484  is disposed on the both side surfaces of the detection arm  431 . Meanwhile, the second detection signal electrode  485  is disposed on the upper surface and the lower surface of the detection arm  432 , and the second detection ground electrode  486  is disposed on the both side surfaces of the detection arm  432 . 
     Further, these electrodes  481  through  486  are each laid around to the lower surface of the base part  42 . Therefore, on the lower surface of the base part  42 , there are disposed terminal  491  through  496 , wherein the terminal  491  is electrically coupled to the drive signal electrode  481 , the terminal  492  is electrically coupled to the drive ground electrode  482 , the terminal  493  is electrically coupled to the first detection signal electrode  483 , the terminal  494  is electrically coupled to the first detection ground electrode  484 , the terminal  495  is electrically coupled to the second detection signal electrode  485 , and the terminal  496  is electrically coupled to the second detection ground electrode  486 . 
     The vibrator element  4  having such a configuration is capable of detecting the angular velocity ωc defining the C axis as the detection axis in the following manner. Firstly, when applying a drive signal between the drive signal electrode  481  and the drive ground electrode  482 , the drive arms  451  through  454  vibrate in such a drive vibration mode as shown in  FIG. 5 . When the angular velocity ωc is applied to the vibrator element  4  in the state of performing the drive in the drive vibration mode, the detection vibration mode shown in  FIG. 6  is newly excited. In the detection vibration mode, a Coriolis force acts on the drive arms  451  through  454  to excite the vibration in a direction indicated by the arrow A, and in concert with this vibration, the detection vibration due to the flexural vibration occurs in a direction indicated by the arrow B in the detection arms  431 ,  432 . The charge generated in the detection arms  431 ,  432  due to the detection vibration mode is extracted as the detection signal between the first and second detection signal electrodes  483 ,  485 , and between the first and second detection ground electrodes  484 ,  486 , and it is possible to detect the angular velocity ωc based on this signal. 
     It should be noted that, as a reference, in the related-art configuration, the arrangement of the drive signal electrode  481  and the drive ground electrode  482  is different, and as shown in  FIG. 7  and  FIG. 8 , the drive signal electrode  481  is disposed on the upper surface  4   b  and the lower surface  4   a  of the drive arms  451 ,  452 , and the both side surfaces  4   c ,  4   d  of the drive arms  453 ,  454 , and the drive ground electrode  482  is disposed on the both side surfaces  4   c ,  4   d  of the drive arms  451 ,  452  and the upper surfaces  4   b  and the lower surfaces  4   a  of the drive arms  453 ,  454 . 
     Going back to  FIG. 1 , the circuit element  6  is fixed to the bottom surface of the recess  311   c . The circuit element  6  includes an interface section for communicating with, for example, an external host device, and a drive circuit and a detection circuit for driving the vibrator element  4  to detect the angular velocity ωc applied to the vibrator element  4 . 
     Further, the support substrate  5  is a substrate used for TAB (Tape Automated Bonding) mounting. As shown in  FIG. 9  and  FIG. 10 , the support substrate  5  has a frame-shaped base  51  and a plurality of leads  52  as interconnections provided to the base  51 . 
     The base  51  is formed of a film made of insulating resin such as polyimide. It should be noted that the constituent material of the base  51  is not particularly limited, and the base  51  can be formed of, for example, insulating resin other than polyimide. Further, the base  51  is fixed to the bottom surface of the recess  311   a  with the bonding members B 1 , and further, the leads  52  and the internal terminals  341  are electrically coupled to each other via the bonding members B 1 . Further, the base part  42  of the vibrator element  4  is fixed to a tip part of each of the leads  52  with the bonding members B 2 , and further, the leads  52  and the terminals  491  through  496  are electrically coupled to each other via the bonding members B 2 , respectively. Thus, the vibrator element  4  is supported by the base  31  via the support substrate  5 , and at the same time, electrically coupled to the circuit element  6 . 
     The base  51  has a frame-like shape in a plan view from the direction along the C axis, and has an opening part  511  inside. The six leads  52  are bonding leads for supporting the vibrator element  4 , and are wiring patterns constituted by electrically conductive members having electrical conductivity. In the present embodiment, as the electrically conductive members, there is used a metal material such as copper (Cu) or a copper alloy. The six leads  52  are each fixed to a lower surface of the base  51 . 
     Further, three leads  522 ,  523 , and  525  out of the six leads  52  are disposed in a part on a positive side in the A axis with respect to the center of the base  51 , and the tip parts of the three leads extend to the inside of the opening part  511  of the base  51 . Among these, the lead  522  is located at the center, the lead  523  is located at the positive side in the B-axis direction of the lead  522 , and the lead  525  is located at the negative side in the B axis. Further, in the plan view from the direction along the C axis, the lead  523  overlaps the drive arm  451  in a crossing manner, and the lead  525  overlaps the drive arm  452  in a crossing manner. 
     Meanwhile, three leads  521 ,  524 , and  526  as the rest of the leads are disposed in a part on a negative side in the A axis with respect to the center of the base  51 , and the tip parts of the three leads extend to the inside of the opening part  511  of the base  51 . Among these, the lead  521  is located at the center, the lead  524  is located at the positive side in the B axis of the lead  521 , and the lead  526  is located at the negative side in the B axis. Further, in the plan view from the direction along the C axis, the lead  524  overlaps the drive arm  453  in a crossing manner, and the lead  526  overlaps the drive arm  454  in a crossing manner. 
     Further, the tip parts of the leads  522 ,  523 , and  525  and the tip parts of the leads  521 ,  524 , and  526  are respectively opposed to each other at the center of the opening part  511  at a distance. 
     Further, the lead  522  extends straight, and the leads  523 ,  525  located at both sides of the lead  522  bend at a right angle in the middle. Similarly, the lead  521  extends straight, and the leads  524 ,  526  located at both sides of the lead  521  bend at a right angle in the middle. Further, a base end part of each of the leads  52  is disposed on the lower surface of the base  51 , and is electrically coupled to corresponding one of the internal terminals  341  via the bonding member B 1 . 
     Further, the leads  52  each bend in the middle to be tilted upward, and thus, the tip parts thereof are located above, namely on the positive side in the C axis of, the base  51 . Further, the leads  52  each become narrow in width in the middle, and the tip parts thereof each become thinner than the base end side. Further, the base part  42  of the vibrator element  4  is fixed to the tip parts of the leads  52  via the bonding members B 2 . Further, the lead  521  is electrically coupled to the drive signal terminal  491  via the bonding member B 2 , the lead  522  is electrically coupled to the drive ground terminal  492  via the bonding member B 2 , the lead  523  is electrically coupled to the first detection signal terminal  493  via the bonding member B 2 , the lead  524  is electrically coupled to the first detection ground terminal  494  via the bonding member B 2 , the lead  525  is electrically coupled to the second detection signal terminal  495  via the bonding member B 2 , and the lead  526  is electrically coupled to the second detection ground terminal  496  via the bonding member B 2 . 
     It should be noted that the bonding members B 1 , B 2  are not particularly limited providing both of electrical conductivity and a bonding property are provided, and it is possible to use, for example, a variety of metal bumps such as gold bumps, silver bumps, copper bumps, or solder bumps, or an electrically conductive adhesive having an electrically conductive filler such as a silver filler dispersed in a variety of adhesives such as a polyimide type adhesive, an epoxy type adhesive, a silicone type adhesive, or an acrylic adhesive. When using the metal bumps which are in the former group as the bonding members B 1 , B 2 , it is possible to suppress generation of a gas from the bonding members B 1 , B 2 , and it is possible to effectively prevent a change in environment, in particular rise in pressure, of the internal space S. On the other hand, when using the electrically conductive adhesive which is in the latter group as the bonding members B 1 , B 2 , the bonding members B 1 , B 2  become relatively soft, and it is possible to absorb or relax the stress described above also in the bonding members B 1 , B 2 . 
     In the present embodiment, the electrically conductive adhesive is used as the bonding members B 1 , and the metal bumps are used as the bonding members B 2 . By using the electrically conductive adhesive as the bonding members B 1  for bonding the support substrate  5  and the base  31  as materials different in type from each other, the thermal stress caused by a difference in thermal expansion coefficient therebetween can efficiently be absorbed or relaxed by the bonding members B 1 . On the other hand, since the support substrate  5  and the vibrator element  4  are bonded to each other with six bonding members B 2  disposed in a relatively small area, by using the metal bumps as the bonding members B 2 , wetting spread which occurs in the case of the electrically conductive adhesive is prevented, and thus, it is possible to effectively prevent the bonding members B 2  from having contact with each other. 
     The support substrate  5  is hereinabove described. In such a support substrate  5 , the lead  523  which is electrically coupled to the first detection signal electrode  483  as described above, and propagates the detection signal output from the first detection signal electrode  483  overlaps the drive arm  451  in a crossing manner in the plan view from a direction along the C axis. Therefore, as shown in  FIG. 11 , the drive signal electrode  481  on the drive arm  451  and the lead  523  come close to each other to form the configuration in which the noise interference between the drive signal electrode  481  and the lead  523  is apt to occur. In other words, there is formed the configuration in which the drive signal applied to the drive signal electrode  481  is apt to mix in the detection signal as a noise via the lead  523 . 
     Therefore, in the present embodiment, as described above, the drive ground electrode  482  coupled to the ground, namely a constant potential, is disposed on the lower surface  4   a  of the drive arm  451  on which the drive signal electrode  481  was disposed in the related art. Thus, the drive ground electrode  482  on the drive arm  451  can be disposed between the drive signal electrode  481  on the drive arm  451  and the lead  523 . Therefore, the drive ground electrode  482  on the drive arm  451  functions as a shield layer, and it is possible to prevent the noise interference between the drive signal electrode  481  on the drive arm  451  and the lead  523 . 
     Similarly, in the support substrate  5 , the lead  525  which is electrically coupled to the second detection signal electrode  485  as described above, and propagates the detection signal output from the second detection signal electrode  485  overlaps the drive arm  452  in a crossing manner in the plan view from the direction along the C axis. Therefore, as shown in  FIG. 12 , the drive signal electrode  481  on the drive arm  452  and the lead  525  come close to each other to form the configuration in which the noise interference between the drive signal electrode  481  and the lead  525  is apt to occur. In other words, there is formed the configuration in which the drive signal applied to the drive signal electrode  481  is apt to mix in the detection signal as a noise via the lead  525 . 
     Therefore, in the present embodiment, as described above, the drive ground electrode  482  coupled to the ground, namely a constant potential, is disposed on the lower surface  4   a  of the drive arm  452  on which the drive signal electrode  481  was disposed in the related art. Thus, the drive ground electrode  482  on the drive arm  452  can be disposed between the drive signal electrode  481  on the drive arm  452  and the lead  525 . Therefore, the drive ground electrode  482  on the drive arm  452  functions as a shield layer, and it is possible to prevent the noise interference between the drive signal electrode  481  on the drive arm  452  and the lead  525 . 
     Due to the above, it is possible to effectively prevent the drive signal applied to the drive signal electrode  481  from mixing in the detection signal as a noise via the leads  523 ,  525 . Therefore, it is possible to transmit the highly accurate detection signal high in S/N ratio to the circuit element  6 , and thus, it is possible to detect the angular velocity ωc with higher accuracy. 
     In particular, in the drive arms  451 ,  452 , the drive ground electrode  482  is disposed not only on the lower surface  4   a , but also on the both side surfaces  4   c ,  4   d . In other words, the drive ground electrode  482  is disposed so as to surround the both sides of the drive signal electrode  481  disposed on the upper surface  4   b . Therefore, the shield effect described above of the drive ground electrode  482  is further enhanced, and it is possible to more effectively suppress the noise interference between the drive signal electrode  481  on the drive arms  451 ,  452  and the leads  523 ,  525 . 
     Further, the lower surfaces  4   a  of the drive arms  451 ,  452  have the recesses  4511 ,  4521  recessed toward the upper surface  4   b  side, and the drive ground electrode  482  is disposed on inner surfaces of the recesses  4511 ,  4521 . Therefore, the surface area of the drive ground electrode  482  increases, and the shield effect is further enhanced accordingly. As a result, it is possible to more effectively suppress the noise interference between the drive signal electrode  481  on the drive arms  451 ,  452  and the leads  523 ,  525 . 
     The vibrator device  1  is hereinabove described. As described above, such a vibrator device  1  has the vibrator element  4  and the support substrate  5  supporting the vibrator element  4 . Further, the vibrator element  4  has the drive arms  451 ,  452 ,  453 , and  454  and the detection arms  431 ,  432  wherein the drive arms  451 ,  452 ,  453 , and  454  are provided with the drive signal electrode  481  and the drive ground electrode  482  as the drive constant-potential electrode, and perform the drive vibration in response to application of the drive signal to the drive signal electrode  481 , and the detection arms  431 ,  432  which have the first and second detection signal electrodes  483 ,  485  as the detection signal electrodes and the first and second detection ground electrodes  484 ,  486  as the detection constant-potential electrodes, and perform the detection vibration in response to the angular velocity ωc as the physical quantity of the detection target to thereby output the detection signal from the first and second detection signal electrodes  483 ,  485 . 
     Further, the support substrate  5  has the base  51 , and the leads  521 ,  522 ,  523 , and  525  provided to the base  51  wherein the lead  521  is a drive signal interconnection electrically coupled to the drive signal electrode  481 , the lead  522  is a drive constant-potential interconnection electrically coupled to the drive ground electrode  482 , the lead  523  is a first detection signal interconnection electrically coupled to the first detection signal electrode  483 , and the lead  525  is a second detection signal interconnection electrically coupled to the second detection signal electrode  485 . Further, the drive arms  451 ,  452  each have the lower surface  4   a  as a first surface located at the support substrate  5  side, and the upper surface  4   b  as a second surface located at an opposite side to the lower surface  4   a  wherein the drive ground electrode  482  is disposed on the lower surface  4   a  and the drive signal electrode  481  is disposed on the upper surface  4   b.    
     According to such a configuration, the drive ground electrode  482  on the drive arm  451  can be disposed between the drive signal electrode  481  on the drive arm  451  and the lead  523 . Similarly, the drive ground electrode  482  on the drive arm  452  can be disposed between the drive signal electrode  481  on the drive arm  452  and the lead  525 . Therefore, the drive ground electrode  482  on the drive arms  451 ,  452  functions as the shield layer, and it is possible to prevent the noise interference between the drive signal electrode  481  on the drive arms  451 ,  452  and the leads  523 ,  525 , respectively. Therefore, it is possible to effectively prevent the drive signal applied to the drive signal electrode  481  from mixing in the detection signal as a noise via the leads  523 ,  525 , and thus it is possible to transmit the detection signal which is high in S/N ratio, and is therefore high in accuracy to the circuit element  6 . Therefore, there is achieved the vibrator device  1  capable of detecting the angular velocity we with higher accuracy. 
     Further, as described above, the drive arms  451 ,  452  each have the side surfaces  4   c ,  4   d  which are third and fourth surfaces as the pair of surfaces for connecting the upper surface  4   b  and the lower surface  4   a  to each other. Further, the drive ground electrode  482  is disposed on the lower surface  4   a  and the both side surfaces  4   c ,  4   d . In other words, the drive ground electrode  482  is disposed so as to surround the both sides of the drive signal electrode  481  disposed on the upper surface  4   b . Therefore, the shield effect described above of the drive ground electrode  482  is further enhanced, and it is possible to more effectively suppress the noise interference between the drive signal electrode  481  on the drive arms  451 ,  452  and the leads  523 ,  525 . 
     Further, as described above, the lower surfaces  4   a  have the recesses  4511 ,  4521  recessed toward the upper surface  4   b  side, and the drive ground electrode  482  is provided to the recesses  4511 ,  4521 . Thus, it is possible to increase the surface area of the drive ground electrode  82  compared to when, for example, the lower surface  4   a  is a planar surface, and accordingly, the shield effect by the drive ground electrode  482  is further enhanced. As a result, it is possible to more effectively suppress the noise interference between the drive signal electrode  481  on the drive arms  451 ,  452  and the leads  523 ,  525 . 
     Further, as described above, the lead  523  has a portion opposed to the drive arm  451 , and the lead  525  has a portion opposed to the drive arm  452 . In other words, in the plan view from the direction along the C axis, the lead  523  has the portion overlapping the drive arm  451 , and the lead  525  has the portion overlapping the drive arm  452 . Therefore, the drive signal electrode  481  on the drive arms  451 ,  452  is apt to be closer to the leads  523 ,  525 , respectively, and thus the noise interference described above is apt to occur therebetween. In such a positional relationship, by disposing the detection ground interconnection  482  functioning as the shield layer on the lower surfaces  4   a  of the drive arms  451 ,  452 , namely between the drive signal electrode  481  and the leads  523 ,  525 , it is possible to more remarkably exert the noise interference suppressing effect described above. 
     Further, as described above, the tip parts of the leads  521  through  526  protrude from the base  51 , and the vibrator element  4  is supported by the tip pars of these leads  521  through  526 . Thus, it is possible to support the vibrator element  4  with the support substrate  5 , and at the same time, it becomes easy to electrically couple the vibrator element  4  and the support substrate  5 . Further, by the leads  521  through  526  deforming, it is possible to absorb or relax the stress which reaches from the package  3 . Therefore, it becomes difficult for the stress to reach the vibrator element  4 , and it is possible to exert the excellent detection characteristics. 
     Second Embodiment 
       FIG. 13  and  FIG. 14  are each a cross-sectional view of a drive arm provided to a vibrator element in a second embodiment. 
     The present embodiment is substantially the same as the first embodiment described above except the point that the configuration of the drive arms  451 ,  452  is different. It should be noted that in the following description, the present embodiment will be described with a focus on the difference from the first embodiment described above, and the description of substantially the same issues will be omitted. Further, in  FIG. 13  and  FIG. 14 , the constituents substantially the same as those of the embodiment described above are denoted by the same reference symbols. 
     As shown in  FIG. 13  and  FIG. 14 , in the vibrator element  4  in the present embodiment, the drive ground electrode  482  disposed on the drive arm  451  is divided into a portion  482   a  disposed on the lower surface  4   a , a portion  482   c  disposed on the side surface  4   c , and a portion  482   d  disposed on the side surface  4   d . Similarly, the drive ground electrode  482  disposed on the drive arm  452  is divided into a portion  482   a  disposed on the lower surface  4   a , a portion  482   c  disposed on the side surface  4   c , and a portion  482   d  disposed on the side surface  4   d.    
     Therefore, when viewing only the arrangement of the electrodes regardless of the types of the electrodes, the arrangement becomes symmetric between the drive arms  451 ,  452  and the drive arms  453 ,  454 , and is further substantially the same as the related-art configuration shown in  FIG. 7  and  FIG. 8 . Therefore, the mass balance of the vibrator element  4  becomes more excellent compared to, for example, the first embodiment described above. Further, since there is no need to change the electrode arrangement from that in the related-art configuration, it is possible to use the manufacturing method for the related-art configuration, in particular, the mask used when pattering the electrodes without modification. Therefore, it becomes easy to manufacture the vibrator element  4 . 
     According also to such a second embodiment as described above, substantially the same advantages as in the first embodiment described above can be exerted. 
     Third Embodiment 
       FIG. 15  and  FIG. 16  are each a cross-sectional view of a drive arm provided to a vibrator element in a third embodiment. 
     The present embodiment is substantially the same as the first embodiment described above except the point that the configuration of the drive arms  451 ,  452  is different. It should be noted that in the following description, the present embodiment will be described with a focus on the difference from the first embodiment described above, and the description of substantially the same issues will be omitted. Further, in  FIG. 15  and  FIG. 16 , the constituents substantially the same as those of the embodiment described above are denoted by the same reference symbols. 
     As shown in  FIG. 15  and  FIG. 16 , in the vibrator element  4  in the present embodiment, the recess  4511  is eliminated from the lower surface  4   a  of the drive arm  451 , and thus, the lower surface  4   a  is made as a planar surface. Further, on the planar surface, there is disposed the drive ground electrode  482 . Similarly, the recess  4521  is eliminated from the lower surface  4   a  of the drive arm  452 , and thus, the lower surface  4   a  is made as a planar surface. Further, on the planar surface, there is disposed the drive ground electrode  482 . 
     According to such a configuration, since the lower surfaces  4   a  of the drive arms  451 ,  452  are made as the planar surfaces, it becomes easy to form the drive ground electrode  482  on the lower surfaces  4   a . Further, by eliminating, for example, the recesses  4511 ,  4521 , it is possible to prevent the problem in the drive ground electrode  482  such as broken lines of the drive ground electrode  482  in corner portions of the recesses  4511 ,  4521 . 
     According also to such a third embodiment as described above, substantially the same advantages as in the first embodiment described above can be exerted. It should be noted that it is also possible to make the recess  4512  disposed on the upper surface  4   b  deeper than in the illustrated configuration, and thus, the electric field efficiency is enhanced. 
     Fourth Embodiment 
       FIG. 17  and  FIG. 18  are each a cross-sectional view of a drive arm provided to a vibrator element in a fourth embodiment. 
     The present embodiment is substantially the same as the third embodiment described above except the point that the configuration of the drive arms  451 ,  452  is different. It should be noted that in the following description, the present embodiment will be described with a focus on the difference from the third embodiment described above, and the description of substantially the same issues will be omitted. Further, in  FIG. 17  and  FIG. 18 , the constituents substantially the same as those of the embodiment described above are denoted by the same reference symbols. 
     As shown in  FIG. 17  and  FIG. 18 , in the vibrator element  4  in the present embodiment, the recess  4512  is eliminated from the upper surface  4   b  of the drive arm  451 , and thus, the upper surface  4   b  is made as a planar surface. Further, on the planar surface, there is disposed the drive signal electrode  481 . Similarly, the recess  4522  is eliminated from the upper surface  4   b  of the drive arm  452 , and thus, the upper surface  4   b  is made as a planar surface. Further, on the planar surface, there is disposed the drive signal electrode  481 . 
     According to such a configuration, since the upper surfaces  4   b  of the drive arms  451 ,  452  are made as the planar surfaces, it becomes easy to form the drive signal electrode  481  on the upper surfaces  4   b . Further, by eliminating, for example, the recesses  4512 ,  4522 , it is possible to prevent the problem in the drive signal electrode  481  such as broken lines of the drive signal electrode  481  in corner portions of the recesses  4512 ,  4522 . Further, since the shape of each of the drive arms  451 ,  452  is made vertically symmetric, it is possible to effectively prevent unwanted vibration in a direction along the C axis from occurring in the drive arms  451 ,  452  in the drive vibration mode. 
     According also to such a fourth embodiment as described above, substantially the same advantages as in the first embodiment described above can be exerted. 
     Fifth Embodiment 
       FIG. 19  and  FIG. 20  are each a cross-sectional view of a drive arm provided to a vibrator element in a fifth embodiment. 
     The present embodiment is substantially the same as the first embodiment described above except the point that the configuration of the drive arms  451 ,  452  is different. It should be noted that in the following description, the present embodiment will be described with a focus on the difference from the first embodiment described above, and the description of substantially the same issues will be omitted. Further, in  FIG. 19  and  FIG. 20 , the constituents substantially the same as those of the embodiment described above are denoted by the same reference symbols. 
     As shown in  FIG. 19  and  FIG. 20 , in the drive arm  451 , the depth D 11  of the recess  4511  disposed on the lower surface  4   a  is deeper than the depth D 12  of the recess  4512  disposed on the upper surface  4   b . In other words, D 11 &gt;D 12  is true. Similarly, in the drive arm  452 , the depth D 21  of the recess  4521  disposed on the lower surface  4   a  is deeper than the depth D 22  of the recess  4522  disposed on the upper surface  4   b . In other words, D 21 &gt;D 22  is true. 
     As indicated by the arrows in  FIG. 19  and  FIG. 20 , the electric field formed between the drive signal electrode  481  and the drive ground electrode  482  is mainly generated intensively in an upper side portion of the drive arm  451 . Therefore, the upper side portion of the drive arm  451  makes the flexural vibration with larger amplitude than in a lower side portion, and this causes a possibility that the unwanted vibration in the C-axis direction occurs in the drive arm  451 . Therefore, by making the recess  4511  deeper than the recess  4512  to make the rigidity of the lower side portion of the drive arm  451  lower than the rigidity of the upper side portion, the flexural vibration of the upper side portion of the drive arm  451  decreases, and thus, it is possible to adjust the vibration balance. As a result, it is possible to suppress the unwanted vibration in the direction along the C axis. 
     According also to such a fifth embodiment as described above, substantially the same advantages as in the first embodiment described above can be exerted. 
     Sixth Embodiment 
       FIG. 21  is a plan view showing a vibrator device according to a sixth embodiment.  FIG. 22  is a plan view showing a support substrate provided to the vibrator device shown in  FIG. 21 . 
     The present embodiment is substantially the same as the first embodiment described above except the point that the configuration of a support substrate  9  is different. It should be noted that in the following description, the present embodiment will be described with a focus on the difference from the first embodiment described above, and the description of substantially the same issues will be omitted. Further, in  FIG. 21  and  FIG. 22 , the constituents substantially the same as those of the embodiment described above are denoted by the same reference symbols. 
     As shown in  FIG. 21  and  FIG. 22 , the support substrate  9  has a base  90 , a support part  91 , a pair of beam parts  92 ,  93 , and a pair of beam parts  94 ,  95  wherein the support part  91  supports the base  90 , and is provided with a first support part  911  and a second support part  912  disposed so as to be separated from each other on both sides along the A axis across the base  90 , the pair of beam parts  92 ,  93  couple the base  90  and the first support part  911  to each other, and the pair of beam parts  94 ,  95  couple the base  90  and the second support part  912  to each other. Further, the base part  42  of the vibrator element  4  is fixed to the base  90  via the bonding members B 2  having electrical conductivity, and the first support part  911  and the second support part  912  are each fixed to the bottom surface of the recess  311   a  via the bonding member B 1 . 
     As shown in  FIG. 22 , the beam parts  92 ,  93 ,  94 , and  95  each have a portion meandering to form an S-shape in the middle thereof, and each form a shape easy to elastically deform in a direction along the A axis and a direction along the B axis. By the beam parts  92  through  95  deforming in the direction along the A axis and the direction along the B axis, it is possible to effectively absorb or relax the stress propagating from the base  31 . It should be noted that the shapes of the beam parts  92  through  95  are each not particularly limited, but can be provided with, for example, a straight shape with the meandering portion omitted. Further, it is possible for at least one of the beam parts  92  through  95  to be different in shape from the others. 
     Further, in the plan view from the direction along the C axis, the drive arm  451  of the vibrator element  4  overlaps the beam part  92 , the drive arm  452  overlaps the beam part  93 , the drive arm  453  overlaps the beam part  94 , and the drive arm  454  overlaps the beam part  95 . Therefore, when the drive arms  451  through  454  are distorted in a direction along the C axis due to an impact or the like, the drive arms  451  through  454  have contact with the beam parts  92  through  95  to thereby be prevented from being further distorted excessively. In other words, the beam parts  92  through  95  function as stoppers for preventing the drive arms  451  through  454  from excessively deforming in the direction along the C axis. Thus, it is possible to prevent breakage of the vibrator element  4 . 
     Such a support substrate  9  is formed of a quartz crystal substrate. By forming the support substrate  9  of the quartz crystal substrate similarly to the vibrating body  41  as described above, it is possible to make the support substrate  9  and the vibrating body  41  equal in thermal expansion coefficient to each other. Therefore, the thermal stress caused by the difference in thermal expansion coefficient between the support substrate  9  and the vibrating substrate  41  does not substantially occur, and it becomes more difficult for the vibrator element  4  to be subjected to stress. Therefore, it is possible to more effectively prevent the degradation and the fluctuation of the vibration characteristics of the vibrator element  4 . 
     In particular, the support substrate  9  is formed of the quartz crystal substrate with the same cutting angle as that in the vibrating body  41 . In the present embodiment, since the vibrating body  41  is formed of a Z-cut quartz crystal substrate, the support substrate  9  is also the Z-cut quartz crystal substrate. Further, the directions of the crystal axes of the support substrate  9  coincide with the directions of the crystal axes of the vibrating body  41 . In other words, the support substrate  9  and the vibrating body  41  coincide with each other in the X axis, the Y axis, and the Z axis. Since the quartz crystal is different in thermal expansion coefficient between the direction along the X axis, the direction along the Y axis, and the direction along the Z axis, by making the support substrate  9  and the vibrating body  41  the same in cutting angle to uniform the directions of the crystal axes, it becomes more difficult for the thermal stress described above to occur between the support substrate  9  and the vibrating body  41 . Therefore, it becomes more difficult for the vibrator element  4  to be subjected to stress, and thus, it is possible to more effectively prevent the degradation and the fluctuation of the vibration characteristics of the vibrator element  4 . 
     It should be noted that the support substrate  9  is not limited thereto, but can also be different in directions of the crystal axes from the vibrating body  41  although the same in cutting angle as the vibrating body  41 . Further, the support substrate  9  can also be formed of a quartz crystal substrate different in cutting angle from the vibrating body  41 . Further, the support substrate  9  is not required to be formed of the quartz crystal substrate. In this case, it is preferable for the constituent material of the support substrate  9  to be a material having a difference in thermal expansion coefficient from the quartz crystal smaller than a difference in thermal expansion coefficient between the quartz crystal and the constituent material of the base  31 . 
     Further, on the support substrate  9 , there are disposed interconnections  96  for electrically coupling the vibrator element  4  and the internal terminals  341  to each other. The interconnections  96  include a drive signal interconnection  961 , a drive ground interconnection  962 , a first detection signal interconnection  963 , a first detection ground interconnection  964 , a second detection signal interconnection  965  and a second detection ground interconnection  966  wherein the drive signal interconnection  961  electrically couples the terminal  491  and the internal terminal  341  to each other, the drive ground interconnection  962  electrically couples the terminal  492  and the internal terminal  341  to each other, the first detection signal interconnection  963  electrically couples the terminal  493  and the internal terminal  341  to each other, the first detection ground interconnection  964  electrically couples the terminals  494  and the internal terminal  341  to each other, the second detection signal interconnection  965  electrically couples the terminal  495  and the internal terminal  341  to each other, and the second detection ground interconnection  966  electrically couples the terminal  496  and the internal terminal  341  to each other. 
     Further, the drive signal interconnection  961  is laid around to the base  90  and the second support part  912  passing the beam parts  94 ,  95 , and the drive ground interconnection  962  is laid around to the base  90  and the first support part  911  passing the beam parts  92 ,  93 . Further, the first detection signal interconnection  963  is laid around to the base  90  and the first support part  911  passing the beam part  92 , and the first detection ground interconnection  964  is laid around to the base  90  and the second support part  912  passing the beam part  94 . Further, the second detection signal interconnection  965  is laid around to the base  90  and the first support part  911  passing the beam part  93 , and the second detection ground interconnection  966  is laid around to the base  90  and the second support part  912  passing the beam part  95 . 
     In such a configuration, in the plan view from the direction along the C axis, the first detection signal interconnection  963  passing the beam part  92  has a portion overlapping the drive arm  451  in a crossing manner, the second detection signal interconnection  965  passing the beam part  93  has a portion overlapping the drive arm  452  in a crossing manner. Therefore, similarly to the first embodiment described above, the drive ground electrode  482  on the drive arms  451 ,  452  functions as the shield layer, and it is possible to prevent the noise interference between the drive signal electrode  481  on the drive arms  451 ,  452  and the first and second detection signal interconnections  963 ,  965 , respectively. 
     According also to such a sixth embodiment as described above, substantially the same advantages as in the first embodiment described above can be exerted. 
     Seventh Embodiment 
       FIG. 23  is a perspective view showing a personal computer according to a seventh embodiment. 
     The personal computer  1100  as the electronic apparatus shown in  FIG. 23  is constituted by a main body section  1104  equipped with a keyboard  1102 , and a display unit  1106  equipped with a display section  1108 , and the display unit  1106  is pivotally supported with respect to the main body section  1104  via a hinge structure. Further, the personal computer  1100  incorporates the vibrator device  1  as a physical quantity sensor, and a signal processing circuit  1110  for performing signal processing, namely control of each section, based on an output signal from the vibrator device  1 . 
     As described above, the personal computer  1100  as the electronic apparatus is provided with the vibrator device  1 , and the signal processing circuit  1110  for performing the signal processing based on the output signal of the vibrator device  1 . Therefore, it is possible to appreciate the advantages of the vibrator device  1  described above, and the high reliability can be exerted. 
     Eighth Embodiment 
       FIG. 24  is a perspective view showing a cellular phone according to an eighth embodiment. 
     The cellular phone  1200  as the electronic apparatus shown in  FIG. 24  is provided with an antenna not shown, a plurality of operation buttons  1202 , an ear piece  1204 , and a mouthpiece  1206 , and a display section  1208  is disposed between the operation buttons  1202  and the ear piece  1204 . Further, the cellular phone  1200  incorporates the vibrator device  1  as a physical quantity sensor, and a signal processing circuit  1210  for performing signal processing, namely control of each section, based on the output signal from the vibrator device  1 . 
     As described above, the cellular phone  1200  as the electronic apparatus is provided with the vibrator device  1 , and the signal processing circuit  1210  for performing the signal processing based on the output signal of the vibrator device  1 . Therefore, it is possible to appreciate the advantages of the vibrator device  1  described above, and the high reliability can be exerted. 
     Ninth Embodiment 
       FIG. 25  is a perspective view showing a digital still camera according to a ninth embodiment. 
     The digital still camera  1300  as the electronic apparatus shown in  FIG. 25  is provided with a case  1302 , and on a back surface of the case  1302 , there is disposed a display section  1310 . The display section  1310  is provided with a configuration of performing display based on an imaging signal due to a CCD, and functions as a finder for displaying the photographic subject as an electronic image. Further, on the front side of the case  1302 , there is disposed a light receiving unit  1304  including an optical lens, the CCD, and so on. Then, when the photographer checks an object image displayed on the display  1310 , and then presses a shutter button  1306 , the imaging signal from the CCD at that moment is transferred to and stored in a memory  1308 . Further, the digital still camera  1300  incorporates the vibrator device  1  as a physical quantity sensor, and a signal processing circuit  1312  for performing signal processing, namely control of each section, based on the output signal from the vibrator device  1 . 
     As described above, the digital still camera  1300  as the electronic apparatus is provided with the vibrator device  1 , and the signal processing circuit  1312  for performing the signal processing based on the output signal of the vibrator device  1 . Therefore, it is possible to appreciate the advantages of the vibrator device  1  described above, and the high reliability can be exerted. 
     It should be noted that the electronic apparatus equipped with the vibrator device  1  can also be, for example, a smartphone, a tablet terminal, a timepiece including a smart watch, an inkjet type ejection device such as an inkjet printer, a wearable terminal such as an HMD (a head-mounted display) and a pair of smart glasses, a television set, a video camera, a video cassette recorder, a car navigation system, a pager, a personal digital assistance, an electronic dictionary, an electronic translator, an electronic calculator, a computerized game machine, training equipment, a word processor, a workstation, a video phone, a security video monitor, a pair of electronic binoculars, a POS terminal, medical equipment such as an electronic thermometer, an electronic manometer, an electronic blood sugar meter, an electrocardiogram measurement instrument, an ultrasonograph, and an electronic endoscope, a fish detector, a variety of types of measurement instruments, a variety of types of gauges to be installed in a car, an aircraft, a ship, or a boat, a base station for mobile terminals, and a flight simulator, besides the personal computer  1100 , the mobile phone  1200 , and the digital still camera  1300  described above. 
     Tenth Embodiment 
       FIG. 26  is a perspective view showing a car according to a tenth embodiment. 
     The car  1500  as the vehicle shown in  FIG. 26  includes a system  1502  such as an engine system, a brake system, a steering system, an attitude control system, or a keyless entry system. Further, the car  1500  incorporates the vibrator device  1  as a physical quantity sensor, and a signal processing circuit  1510  for performing signal processing, namely control of the system  1502 , based on the output signal from the vibrator device  1 . 
     As described above, the car  1500  as the vehicle is provided with the vibrator device  1 , and the signal processing circuit  1510  for performing the signal processing based on the output signal (an oscillation signal) of the vibrator device  1 . Therefore, it is possible to appreciate the advantages of the vibrator device  1  described above, and the high reliability can be exerted. 
     It should be noted that the vehicle equipped with the vibrator device  1  can also be, for example, a robot, a drone, an electric wheelchair, a two-wheeled vehicle, an airplane, a helicopter, a ship, a boat, an electric train, a monorail, a cargo-carrying vehicle, a rocket, or a space vehicle besides the car  1500 . 
     Although the vibrator device, the electronic apparatus, and the vehicle according to the present disclosure are described based on the illustrated embodiments, the present disclosure is not limited thereto, but the configuration of each of the sections can be replaced with an arbitrary configuration having substantially the same function. Further, the present disclosure can also be added with any other constituents. Further, it is also possible to arbitrarily combine any of the embodiments with each other.