baber/WOPTO huggingface dataset:
Patent TW-202320000-A (TW)
Inventor: Yang yao-shun
IPC: G06Q50/00
Filed: 2021-11-24
Abstract: A warning system and method are provided. The warning system includes a plurality of sensing apparatuses and a server. The sensing apparatuses are used for sensing a driving trajectory of each of a plurality of two-wheeled vehicles. The server compares the driving trajectories with an accident hotspot list to determine whether at least one first driving trajectory matches an accident hotspot location, wherein the accident hotspot list is generated by a plurality of driving behavior events corresponding to each of the two-wheeled vehicles. The server generates a warning message to remind a first driver of a first two-wheeled vehicle corresponding to the at least one first driving trajectory when determining that the at least one first driving trajectory matches the accident hotspot location.
Patent TW-202235698-A (TW)
Inventor: KE JIA-YING
IPC: C30B35/00
Filed: 2021-11-30
Abstract: Ingot puller apparatus for preparing a single crystal silicon ingot by the Czochralski method are disclosed. The ingot puller apparatus includes a heat shield. The heat shield has a leg segment that includes a void (i.e., an open space without insulation) disposed in the leg segment. The heat shield may also include insulation partially within the heat shield.
Patent TW-202324871-A (TW)
Title: 具有穩定放電機制的靜電防護電路
Inventor: HUANG CHUNG-YU
IPC: H02H9/04
Filed: 2021-11-30
Abstract: 一種具有穩定放電機制的靜電防護電路。分壓電路根據電壓輸入端產生偵測訊號，第一反相器輸出反相偵測訊號。第一P型及N型電晶體電路透過第一端串聯於電壓輸入端及接地端間。第二N型電晶體電路耦接第二端及接地端間。第一P型電晶體控制端耦接於第二端，第一及第二N型電晶體控制端分別接收反相偵測訊號及偵測訊號。容阻電路的電阻及電容透過控制端串聯於電壓輸入端及接地端間，且控制端耦接於第二端。第二反相器自控制端接收反相抬升偵測訊號反相輸出為抬升偵測訊號。靜電放電電晶體受抬升偵測訊號控制在導通時對電壓輸入端放電。
Patent TW-202233388-A (TW)
Title: Covers for electronic devices
Inventor: LIN YU-LING
IPC: B32B27/30
Filed: 2021-12-07
Abstract: The present disclosure is drawn to covers for electronic devices. In one example, an injection molded plastic portion is formed. An in-mold roller (IMR) film layer is formed over a surface of the injection molded plastic portion. A thermal plastic polyurethane (TPU) portion is formed that encapsulates a portion of the IMR film layer and the injection molded plastic portion.
Patent TW-202244100-A (TW)
Title: Photosensitive resin composition and organic el element partition
Inventor: ISHIDA YASUHIRO
IPC: C08F220/30
Filed: 2021-12-17
Abstract: The present invention provides a photosensitive resin composition that is highly sensitive and contains a black colorant, the composition making it possible to form a thick film pattern having a high optical density (OD value) and limited surface roughness. Provided is a photosensitive resin composition containing (A) a first resin, (B) a second resin that differs from the first resin and has a phenolic hydroxyl group, (C) a third resin that differs from both the first resin and the second resin and has a phenolic hydroxyl group, (D) a radiation-sensitive compound, and (E) a black colorant, wherein: the optical density (OD value) of a cured coating obtained from the photosensitive resin composition is 0.5 or higher per 1 [mu]m of film thickness; and the phenolic hydroxyl group equivalent of the second resin is 1.1 to 5.0 times the phenolic hydroxyl group equivalent of the third resin.
Patent TW-202238238-A (TW)
Inventor: FATTAL DAVID A
IPC: G02B17/00
Filed: 2021-12-30
Abstract: 本發明關於一種包含反射式多光束元件的多視像背光件、多視像顯示器、和多視像背光件的操作方法，反射式多光束元件具有一個或多個彎曲反射表面，配置為提供具有方向性光束的發射光，其方向與多視像影像的視像方向相對應。多視像背光件包含：導光件，配置為引導光；及反射式多光束元件陣列。反射式多光束元件包含反射子元件，並且配置為反射地散射出引導光的一部分以作為發射光。多視像顯示器包含多視像背光件和光閥陣列，以調變方向性光束以提供多視像影像。反射子元件包含彎曲反射表面，其表面曲率位在與導光件的引導表面平行的平面內。
Patent TW-202329683-A (TW)
Title: 影像色差移除方法、影像處理裝置與影像處理系統
Inventor: LI CHIEN-HUNG
IPC: H04N9/73
Filed: 2022-01-04
Abstract: 一種影像色差移除方法、影像處理裝置與影像處理系統。所述方法包括下列步驟：取得由影像擷取裝置擷取的原始影像；劃分原始影像為多個影像區域，並計算各影像區域的光源複雜度，用以對各影像區域內的多個像素值進行修正而輸出修正影像；依據所計算各影像區域的光源複雜度，執行用以降低影像區域的至少其中之一的光源複雜度的調整操作；以及重複執行上述步驟，直到至少一個影像區域的光源複雜度降低至預設值以下時，停止執行調整操作。
Patent TW-202331624-A (TW)
Title: Method of intelligently verifying loan procedure
Inventor: LIN NAN-GUI
IPC: G06Q40/02
Filed: 2022-01-28
Abstract: A method of intelligently verifying loan procedure is implemented in a system of intelligently verifying loan procedure including an intelligent loan procedure platform system and an intelligent loan procedure management system. The intelligent loan procedure platform system enables a borrower to start a loan procedure and stores relevant loan documents and loan records in a proof system as proof.
Patent TW-202238858-A (TW)
Title: 確定導線接合機上的接合的無空氣球的剪切強度的方法
Inventor: GILLOTTI GARY S
IPC: H01L23/00
Filed: 2022-02-08
Abstract: 提供確定導線接合機上的接合的無空氣球的剪切強度的方法。方法包括以下步驟：（a）在導線接合工具的工作端部處提供無空氣球；（b）將無空氣球接合到工件的接合位置；（c）在與接合的無空氣球接觸的同時，沿接合位置的方向移動導線接合工具；（d）在步驟（c）的期間監測導線接合程序信號；以及（e）使用在步驟（d）中監測的導線接合程序信號，確定剪切強度。
Patent TW-202249243-A (TW)
Title: Semiconductor storage device
Inventor: FURUBAYASHI KEN
IPC: H01L27/10
Filed: 2022-02-10
Abstract: A semiconductor storage device includes a stacked body in which a plurality of conductive layers and a plurality of insulating layers are alternately stacked along a stacking direction, and a plurality of first pillars extending in the stacked body along the stacking direction to form memory cells at intersections with at least some of the plurality of conductive layers. The stacked body includes a stair portion in which the plurality of conductive layers are stacked in a stepped manner at a position separated from the plurality of first pillars in a first direction intersecting the stacking direction. At least a lowermost insulating layer of the plurality of insulating layers has at least one bending portion bent in the stacking direction at an end of the plurality of conductive layers in the stair portion along the first direction.
Patent TW-202332633-A (TW)
Title: Ceramic cup lock lid thread processing method, tool used therefor, and ceramic cup lock lid thread structure prepared by the same capable of making the thread structure precise and complete
Inventor: YU CHUN-MING
IPC: B65D41/16
Filed: 2022-02-10
Abstract: The present invention relates to a method for processing a thread of a ceramic cup lock lid, a tool used therefor, and a ceramic cup lock lid thread structure prepared by the same. The main purpose of the present invention is to prepare a ceramic cup made of minerals and having a preparatory ring base, in which an inner circle of an upper end is processed by internal circle milling to form the lock lid thread, so as to make the thread structure precise and complete. An inner milling cutter with a rotation angle and a concave inner angle is used and driven by a three-dimensional machine tool to internally mill the thread structure. The outer surface of the thread structure can be coated with glaze to form a smooth and anti-pollution surface.
Patent TW-202244610-A (TW)
Title: Photosensitive resin composition, cured film and semiconductor device
Inventor: OTOGURO AKIHIKO
IPC: C08L79/08
Filed: 2022-02-10
Abstract: A photosensitive resin composition of the present invention comprises: a polymer A having a constituent unit represented by general formula (a) below; and a polymer B containing a polyimide having a group b represented by general formula (b) below.
Patent TW-202312398-A (TW)
Title: Semiconductor device and substrate
Inventor: KAWASAKI TOMONORI
IPC: H01L23/488
Filed: 2022-03-01
Abstract: Embodiments provide a semiconductor device and a substrate capable of improving electrical characteristics. According to one embodiment, a semiconductor device includes a first layer including a plurality of first pads, and a second layer including a plurality of second pads. The plurality of first pads are bonded to the plurality of second pads, respectively. At least one of the first pads or the second pads continuously surrounds an insulating portion. A substrate according to the embodiment includes a plurality of pads and one or more insulating portions made of an insulator. In the substrate according to the embodiment, in a plan view, at least one of the pads includes a region continuously disposed around the insulating portions.
Patent TW-202316161-A (TW)
Inventor: HUH JAE-HYUK
IPC: G02B9/60
Filed: 2022-03-22
Abstract: 提供一種光學成像系統。所述光學成像系統包括自物體側至成像側依次設置的第一透鏡、第二透鏡、第三透鏡、第四透鏡及第五透鏡。第一透鏡具有正折射力，而第二透鏡具有負折射力。TTL ＞ 10.2毫米，且TTL/(2 × IMG HT) ≤ 1.7，其中TTL是在光軸上自第一透鏡的物體側表面至成像平面的距離，且IMG HT等於成像平面的對角線長度的一半。
Patent TW-202302653-A (TW)
Inventor: KATAYAMA YUGO
IPC: C08J3/12
Filed: 2022-03-23
Abstract: 本發明係提供一種中空粒子，其可抑制在殼體產生針孔，並可防止因變形而導致中空部潰壞。具體而言，本發明係提供一種中空粒子，其具有殼體、以及被該殼體包圍之中空部，其中，該殼體含有(甲基)丙烯酸系樹脂，該中空粒子之平均粒徑為10nm至150nm，該中空粒子之真球度為0.90至1.0，該中空粒子之中空率為35%至70%。
Patent TW-202243451-A (TW)
Title: Transporting heif-formatted images over real-time transport protocol
Inventor: BOUAZIZI IMED
IPC: H04L29/06
Filed: 2022-03-25
Abstract: An example device for retrieving media data, the device comprising: a memory configured to store scene data and image data; and one or more processors implemented in circuitry and configured to: receive data for a bitstream indicating that the bitstream includes one or more overlay images, the overlay images comprising either a single static image to be presented with scene data that remains constant while being presented frame-by-frame with frames of the scene data or an image sequence that repeats with a regular periodicity while being presented frame-by-frame with the frames of the scene data; receive the one or more overlay images from the bitstream; receive the scene data including one or more scene images; and present the scene images and the overlay images.
Patent TW-202230426-A (TW)
Title: Charged particle beam device
Inventor: YAMAMOTO TAKUMA
IPC: H01J37/28
Filed: 2020-05-12
Abstract: Even when the amount of overlay deviation between patterns located in different layers is large, correct measurement of the amount of overlay deviation is stably performed. The charged particle beam device includes a charged particle beam irradiation unit that irradiates a sample with a charged particle beam, a first detection unit that detects secondary electrons from the sample, a second detection unit that detects backscattered electrons from the sample, and an image processing unit that generates a first image including an image of a first pattern located on the surface of the sample based on an output of the first detection unit, and generates a second image including an image of a second pattern located in a lower layer than the surface of the sample based on an output of the second detection unit. A control unit adjusts the position of a measurement area in the first image based on a first template image for the first image, and adjusts the position of a measurement area in the second image based on a second template image for the second image.
Patent TW-202230126-A (TW)
Title: Computer-implemented systems and computer-implemented methods for fail-safe loading of information on a user interface
Inventor: JANG YONG-SEOK
IPC: G06F9/451
Filed: 2021-01-04
Abstract: Systems and methods are provided for fail-safe loading of information on a user interface, comprising receiving, via a modular platform, requests for access to a mobile application platform from a plurality of mobile devices, opening and directing the requests for access to the mobile application platform to a sequential processor of an application programming interface (API) gateway when a parallel processor of the API gateway is unresponsive to requests for access to the mobile application platform for a predetermined period of time, periodically checking a status of the parallel processor, and redirecting the requests for access to the mobile application platform to the parallel processor when the parallel processor is capable of processing requests for access to the mobile application platform.
Patent TW-202231461-A (TW)
Title: Adhesive layer-equipped optical film and liquid crystal panel
Inventor: YAMAMOTO SATOSHI
IPC: G09F9/30
Filed: 2020-11-02
Abstract: The provided adhesive layer-equipped optical film is provided with an optical film and an adhesive layer, and is further provided with an antistatic layer which contains a conductive polymer. The difference in light transmittance through a measurement region of the adhesive layer-equipped optical film is no more than 2%, when displayed as the difference between the minimum light transmittance thereof and the maximum light transmittance thereof. Thus, it is unlikely that any blurriness is visible in the display surface of the liquid crystal panel of the present invention, despite said adhesive layer-equipped optical film being provided with an antistatic layer which contains a conductive polymer.
Patent TW-202301747-A (TW)
Title: Receptacle connector
Inventor: TERRANCE F LITTLE
IPC: H01R13/652
Filed: 2022-05-06
Abstract: An electrical connector includes a unitary insulative housing having a tongue and a cavity; two rows of terminals molded in the insulative housing while exposing to two opposite surfaces of the tongue, respectively, each row of terminals include plural signal terminals and plural ground terminals, the ground terminals are exposed to the cavity. A conductive member is molded in the cavity to be in contact with the ground terminals. The mold method of the conductive plastic and the terminals not only increase electric performance of the connector, but also increase mechanical steady of the connector.
Patent TW-202313922-A (TW)
Title: Composition for chemical mechanical polishing and polishing method
Inventor: ISHIMAKI KOKI
IPC: C09K3/14
Filed: 2022-07-12
Abstract: Provided is a composition for chemical mechanical polishing, with which chemical mechanical polishing can be carried out while suppressing corrosion of ruthenium and maintaining a stable polishing speed for a semiconductor substrate containing ruthenium. This composition for chemical mechanical polishing contains: (A) abrasive grains; (B) an acid containing at least one type of anion selected from the group consisting of a periodate ion (IO4 -), a hypochlorite ion (ClO-), a chlorite ion (ClO2 -) and a hypobromite ion (BrO-), or a salt thereof; and (D) a compound having at least one type of functional group selected from the group consisting of an amino group and salts thereof and at least one type of functional group selected from the group consisting of a carboxyl group and salts thereof. The value of MB/MD is 0.25-4, where MB (mass%) denotes the content of the acid or salt thereof (B) and MB (mass%) denotes the content of the compound (D).
Patent TW-202314890-A (TW)
Inventor: MILLER CHARLES
IPC: H01L21/66
Filed: 2022-07-22
Abstract: 本發明提供一種吸附劑，其可經結構化用於一晶圓容器微環境中。此等吸附劑之裝載可針對待自該晶圓容器微環境移除之特定汙染物而定製。該裝載可包含用於一或多種汙染物之吸附劑，該等汙染物包含酸、鹼、可冷凝有機化合物、及/或揮發性有機化合物。該吸附劑可進一步包含一除濕材料，例如一分子篩。待移除之汙染物可藉由該晶圓容器之清潔或分級條件、程序中使用之先前吸附劑之測試來判定。
Patent TW-202326383-A (TW)
Title: Semiconductor apparatus
Inventor: YAMAZAKI SHUNPEI
IPC: G06F3/042
Filed: 2022-08-09
Abstract: One aspect of the present invention provides a display device which has an imaging function. A light-emitting diode is produced on a first substrate, and then picked up and mounted to a second substrate. Further, the present invention achieves a display device in which: a light-receiving element is also picked up and mounted to the second substrate on which the light-emitting diode has been mounted; a plurality of light-emitting diodes are disposed so as to surround the light-receiving element; and a light-receiving region is provided in a gap between the light-emitting regions.
Patent TW-202319617-A (TW)
Title: Securable device and method for securing the same
Inventor: THATOS NICHOLAS
IPC: E02B3/04
Filed: 2022-08-12
Abstract: A device comprising a corkscrew; a substantially flexible shaft operably attached to the corkscrew at a first end of the shaft; and one or more protrusions extending from the shaft between the first end of the shaft and a second end of the shaft. Methods of using the device are also disclosed.
Patent TW-202312704-A (TW)
Inventor: YU JIAN
IPC: H04L5/00
Filed: 2022-08-18
Abstract: Embodiments of this application discloses a PPDU transmission method and a related apparatus, so that a first device sends a TB PPDU to a second device on partial resource subunits of N resource subunits based on first indication information, so as to improve spectrum utilization. The method in this embodiment of this application includes: receiving, by a first device, a trigger frame from a second device, where the trigger frame is used to indicate a first resource allocated to the first device, the first resource includes N resource subunits, the trigger frame includes first indication information, and the first indication information is used to separately indicate: when the first device performs trigger-based physical layer protocol data unit TB PPDU transmission by using some resource subunits in the N resource subunits, whether the first device is allowed to perform TB PPDU transmission on each resource subunit in the N resource subunits; and N is an integer greater than or equal to 1; sending, by the first device, the TB PPDU to the second device on partial resource subunits of the N resource subunits based on the first indication information.
Patent TW-202311093-A (TW)
Inventor: WANG TAO
IPC: B62B7/04
Filed: 2022-09-02
Abstract: 一種控制系統，適於控制載具的頂篷結構。該控制系統包括處理單元；感測器單元，電性耦接該處理單元，並感測外界風力；以及驅動裝置，電性耦接該處理單元，並控制該頂篷結構的開合，其中當該處理模組通過該感測模組判斷該外界風力大於一預設風力閥值時，該處理模組控制該驅動裝置將該頂篷結構遮蔽該載具的至少部分。本申請還公開了一種包括頂篷結構的載具，以及一種控制方法，適於控制載具的頂篷結構。
Patent TW-202312757-A (TW)
Title: Control method and controller of tethering device for dynamic cellular configuration
Inventor: CHANG SHENG-KAI
IPC: H04W16/10
Filed: 2022-09-05
Abstract: The present invention provides a controller of a tethering device, wherein the controller includes a tethering manager and a cellular configuration manager. The tethering manager is configured to generating tethering parameters of at least one network interface of the tethering device, wherein the at least one network interface of the tethering device is used to communicate with an electronic device, and the electronic device shares a cellular network of the tethering device via the at least one network interface. The cellular configuration manager is configured to determine a first cellular mode according to the tethering parameters of at least one network interface, to control a cellular modem to use the first cellular mode.
Patent TW-202314377-A (TW)
Title: Pellicle, original plate for exposure, exposure apparatus, and method of producing pellicle
Inventor: TANAKA HIROFUMI
IPC: G03F1/62
Filed: 2022-09-13
Abstract: This pellicle is provided with a pellicle frame, a pellicle film, and an adhesive layer. An inner wall surface and/or an outer wall surface of the adhesive layer satisfies expression (1). Expression (1): ([A2s]/[A50s]) ≤ 0.97 where A2s indicates the normalized strength of a partial structure included in a main agent component of the adhesive layer obtained by analyzing a first deep part having a first depth from the surface of the adhesive layer by time-of-flight secondary ion mass spectrometry. The first depth is formed by irradiating an area 600 [mu]m square on the surface with a sputter ion gun that is an argon gas cluster ion beam for two seconds in total. A50s indicates the normalized strength of a partial structure included in a main agent component of the adhesive layer obtained by analyzing a second deep part having a second depth by time-of-flight secondary ion mass spectrometry. The second depth is formed by irradiating the area with the sputter ion gun for 50 seconds in total.
Patent TW-202334416-A (TW)
Inventor: NICHOLAS ANTHONY
IPC: C12N15/113
Filed: 2022-10-21
Abstract: 描述RNAi藥劑、包含RNAi藥劑之組成物及用於抑制基質金屬肽酶7（MMP7）基因之方法。本文所揭示之MMP7 RNAi藥劑及RNAi藥劑結合物抑制MMP7基因之表現。亦描述包括一或多種MMP7 RNAi藥劑視情況與一或多種額外治療劑一起之醫藥組成物。將所述之MMP7 RNAi藥劑
         體內 遞送至肺細胞以提供對MMP7基因表現之抑制，該抑制可為個體，包括人類個體提供治療益處，用於治療各種疾病，包括肺炎疾病，諸如特發性肺纖維化(IPF)。
Patent TW-202327287-A (TW)
Inventor: CHOI GI-BAEK
IPC: H03M1/66
Filed: 2022-12-06
Abstract: 實施例提供一種將包括灰階資料的數位信號輸出到數位轉類比轉換器（DAC）的鎖存電路，該鎖存電路包括：第一鎖存器，配置為儲存數位信號；以及第二鎖存器，配置為藉由基於中央灰階控制包括在數位信號中的第一信號的電壓準位變為致能電壓準位的第一時序來輸出數位信號。灰階資料包括第一灰階資料和第二灰階資料。
Patent TW-202334281-A (TW)
Title: Polyimide for spacecraft, polyimide film for spacecraft, and spacecraft member including same
Inventor: MORI AKIRA
IPC: C08G73/10
Filed: 2022-12-09
Abstract: Provided are: a polyimide film which, when used as a spacecraft material, exhibits excellent resistance to atomic oxygen derived from oxygen molecules which are a residual atmosphere component, and produces few outgassing components when heated; and a polyimide to be used therein. Provided is a polyimide which is for use in a spacecraft and has a structural unit derived from a diamine and a structural unit derived from an aromatic acid dianhydride, said polyimide being characterized by at least containing a structural unit derived from a silicon-containing diamine (having a number-average molecular weight of 500 or less) represented by formula (1) as the structural unit derived from diamine, and in that the ratio of the structural unit derived from the silicon-containing diamine to all structural units derived from diamine is 5-100mol%. (In the formula, R1 and R2 each independently represent a C3-20 divalent aliphatic hydrocarbon group, R3, R4, R5 and R6 each independently represent a C1-3 monovalent aliphatic hydrocarbon group, and m is 1 or 2.).
Patent TW-202329102-A (TW)
Inventor: CHIANG HUNG-LI
IPC: G11C11/22
Filed: 2022-12-12
Abstract: A memory structure includes a substrate. The memory structure further includes a first transistor, wherein the first transistor is a first distance from the substrate. The memory structure further includes a second transistor, wherein the second transistor is a second distance from the substrate, and the first distance is different from the second distance, and a first source/drain (S/D) region of the first transistor is connected to a second S/D region of the second transistor. The memory structure further includes a plurality of storage elements electrically connected to both the first transistor and the second transistor, wherein each of the plurality of storage elements is a third distance from the substrate, and the third distance is different from both the first distance and the second distance.
Patent TW-202315048-A (TW)
Inventor: OR-BACH ZVI
IPC: H01L27/04
Filed: 2010-10-13
Abstract: 系統包括一個半導體器件。
 
     該半導體器件：一個單獨的第一結晶矽層，包括初級電晶體、第一對齊標記以及至少一層金屬層(用來覆蓋單獨的第一結晶矽層)。上述金屬層主要由銅或鋁組成，也可包括少量其它材料；一個單獨的第二結晶矽層，覆蓋在上述金屬層上。
 
     單獨的第二結晶矽層包含多個二級電晶體，呈大體平行的帶狀佈置。
 
     其中，每個條帶都包含一部分二級電晶體，這些電晶體沿條帶的中心軸線佈置，前後一致。
Patent TW-202336500-A (TW)
Title: 自滅菌顯示裝置
Inventor: SHIAU YI-HAU
IPC: G02F1/133
Filed: 2022-03-10
Abstract: 一種自滅菌顯示裝置，其具有紫外光殺菌功能。此自滅菌顯示裝置包括顯示器、導光板、光源、觸控面板與透明防護層。導光板位在顯示器上方。光源位在導光板的周邊，並且光源的出光面面向導光板。觸控面板位在導光板上方。透明防護層包括第一黏著層，導光板的下表面經由第一黏著層貼合在顯示器的上表面，且第一黏著層內分布有用以吸收紫外光的複數光吸收粒子。於此，光源能朝導光板發射紫外光而對自滅菌顯示裝置的外表面進行照射殺菌，並且透明防護層能過濾紫外光。藉此，能以紫外光進行表面殺菌，還能避免或減少紫外光入射至下方的顯示器而損害顯示器。
Patent TW-202330184-A (TW)
Title: Wafer position detection method, device and medium capable of detecting whether the wafer is accurately placed in a holding hole of the carrying plate body
Inventor: LI HAO
IPC: B24B49/12
Filed: 2023-02-14
Abstract: The embodiment of the present invention discloses a wafer position detection method, device and medium. The method includes: selecting corresponding measurement point sets in multiple configured radial directions of the wafer based on the circumference of the wafer, wherein each measurement point set includes: a first measurement point on the surface of a carrying plate body outside the reference circumference of the wafer, and a second measurement point on the surface of the wafer inside the reference circumference of the wafer; detecting the height difference between the first measurement point and the second measurement point; and determining whether the wafer is accurately placed in a holding hole of the carrying plate body according to the height difference of each measurement point set.