baber/WOPTO huggingface dataset:
Patent WO-2022178859-A1 (WO)
Inventor: WANG DA
IPC: H04W8/24
Filed: 2021-02-26
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A method of communication comprises receiving, at a terminal device and from a network device of a communication network, a configuration comprising a pattern of a gap and a RRC reconfiguration to be applied during the gap for reduction of a capability of the terminal device to communicate with the communication network; and applying the RRC reconfiguration upon a start of the gap. Thereby, the capability of the terminal device can be flexibly coordinated, and thus services at networks of USIMs can be performed in a more flexible and efficient way.
Patent WO-2022183510-A1 (WO)
Inventor: PAN DAO
IPC: H04B3/54
Filed: 2021-03-05
Abstract: The present application relates to a method, apparatus and system for power line communication (PLC) for Internet of Things (IoT). The method comprises: a transmitting device receiving a first request from a receiving device, wherein the first request is used for requesting to execute a channel assessment for a first time window in a power line communication cycle; in response to the first request, the transmitting device transmitting, to the receiving device, a probe signal required for executing the channel assessment; the transmitting device receiving a modulation parameter from the receiving device, wherein the modulation parameter is determined by means of executing the channel assessment on the basis of the probe signal; and on the basis of the modulation parameter, the transmitting device performing, on the first time window, data transmission with the receiving device. According to the technical solution proposed herein, the rate performance of both broadband services and IoT services in a PLC broadband and PLC IoT fusion scenario, and the resource utilization efficiency can be greatly improved when there is limited complexity improvement.
Patent WO-2021213084-A1 (WO)
Title: 应用通知管理方法和电子设备
Inventor: ZHANG XIN
IPC: G06F9/44
Filed: 2021-03-16
Abstract: 一种应用通知管理方法和电子设备。该方法包括：显示第一界面，所述第一界面包括至少两个类别列表，所述至少两个类别列表与至少两个应用重要性等级一一对应，所述至少两个类别列表中的第一类别列表包括至少一个选项，所述至少一个选项中的每个选项关联一个应用（901）；检测用户在所述第一界面上的第一操作（902）；响应于所述第一操作，打开或关闭所述第一类别列表中全部选项所关联的应用的通知功能（903）。该方法能够方便用户单次打开或关闭一组应用的通知功能，提高通知管理效率，提升用户体验。
Patent WO-2022001223-A1 (WO)
Inventor: MAMIYA HARUO
IPC: D06F33/00
Filed: 2021-03-24
Abstract: Lave-linge comprenant : un moteur (6) ; un tambour de lavage (4), qui reçoit du linge (L) ; une turbine (5), disposée dans le tambour de lavage (4) ; une partie de stockage de détergent (38) ; une unité de nettoyage aux ultrasons (13) ; et un micro-ordinateur (60). L'unité de nettoyage aux ultrasons (13) a un plateau (48) et une partie de génération d'ultrasons (55) disposée sur la périphérie du plateau (48) et conçue pour générer une onde ultrasonore. Le micro-ordinateur (60) exécute : une action de nettoyage aux ultrasons, c'est-à-dire, l'apport en détergent au plateau (48) et la génération d'une onde ultrasonore par la partie de génération d'ultrasons (55) ; et une action de lavage, comprenant un processus de nettoyage d'alimentation en eau du tambour de lavage (4) et au moins l'activation, au moyen du moteur (6), de la turbine (5) pour l'amener à tourner. Le micro-ordinateur (60) attend l'entrée d'une commande de démarrage de l'action de lavage une fois l'action de nettoyage aux ultrasons terminée, et selon l'entrée de la commande de démarrage, démarre l'action de lavage.
Patent WO-2021190556-A1 (WO)
Title: 一种基于磁探头的电流测量装置及测量方法
Inventor: QU PIN
IPC: G01R19/32
Filed: 2021-03-24
Abstract: 一种基于磁探头的电流测量装置及测量方法，该装置包括被测电流导体（100）、磁探头、磁偏置结构（300、300a、300b）以及可编程芯片（400）；被测电流导体（100）具有第一轴线（01）、第二轴线（02）以及第三轴线（03）；被测电流导体（100）上设置有贯穿孔（101、101a、101b、101c），贯穿孔（101、101a、101b、101c）的贯穿方向与第三轴线（03）平行，且贯穿孔（101、101a、101b、101c）在第一截面上的垂直投影沿第一轴线对称；至少一个贯穿孔（101、101a、101b、101c）的中心位置位于第一轴线（01）上；和/或，每两个贯穿孔（101、101a、101b、101c）的中心位置沿第一轴线（01）对称；磁探头设置于贯穿孔（101、101a、101b、101c）内且与可编程芯片（400）电连接，磁探头的敏感中心位置位于第一截面上，磁探头在第一截面上的垂直投影关于第一轴线（01）对称；磁偏置结构（300、300a、300b）设置于贯穿孔（101、101a、101b、101c）内，磁偏置结构（300、300a、300b）的充磁方向（301）与磁探头的敏感方向（2011）垂直。该装置具有尺寸小、测量精度高及高适配性的优点。
Patent WO-2021197216-A1 (WO)
Title: 一种连续化尼龙聚合方法
Inventor: LI YANG
IPC: C08L77/00
Filed: 2021-03-26
Abstract: 一种连续化尼龙聚合方法，聚合原料按质量计，包括聚合单体二元酸和/或二元酸酯5-60份、二元胺3-50份和反应性分散介质聚酰胺10-90份；聚合步骤包括将聚合原料按比例连续加入物料混合装置，使得原料在物料混合装置里混合、反应，形成连续输送的熔融体，分散均匀的熔融体在后续聚合装置中反应至尼龙聚合达到所需分子量。具有高效、绿色环保的特点。
Patent WO-2022205089-A1 (WO)
Title: Dispositif à semi-conducteur d'alimentation
Inventor: ZHU CHUNLIN
IPC: H01L29/40
Filed: 2021-03-31
Abstract: Dispositif à semi-conducteur d'alimentation 1, comprenant : un substrat semi-conducteur 2 comprenant : une couche de base 5 disposée sélectivement au niveau d'un premier côté du substrat semi-conducteur, et la couche de base présentant un premier type de conductibilité; une couche de collecteur 3 disposée au niveau d'un second côté du substrat semi-conducteur, le second côté étant opposé au premier côté, et la couche de collecteur présentant le premier type de conductibilité; et une couche de dérive 4 présentant un second type de conductibilité opposé au premier type de conductibilité, la couche de dérive 4 étant disposée entre la couche de collecteur 3 et la couche de base 5; une cellule active 15 disposée dans le substrat semi-conducteur 2, la cellule active 15 comprenant une région émettrice 7 qui présente le second type de conductibilité et une région de base active 5-i qui est une partie de la couche de base 5; et une tranchée d'isolation 17 disposée dans le substrat semi-conducteur 2 et voisine de la cellule active 15 : la tranchée d'isolation 17 s'étend à partir d'une surface 16 du substrat semi-conducteur 2 au niveau du premier côté dans la couche de dérive 4 le long d'une première direction; la tranchée d'isolation 17 comprend une électrode de grille 9 et un matériau diélectrique 11, 10 disposé à l'intérieur de celle-ci; et l'électrode de grille 9 est conçue pour commander un état de marche/arrêt d'un canal de courant à l'intérieur de la cellule active 15; la cellule active 15 présentant une première longueur L1 le long d'une seconde direction X perpendiculaire à la première direction Y, et la tranchée d'isolation 17 présentant une seconde longueur L2 Le long de la seconde direction X, et les première et seconde longueurs L1 et L2 satisfaisant la relation de 0,5 ≤ L2/L1 ≤ 2.
Patent WO-2022205199-A1 (WO)
Inventor: XU LEILEI
IPC: H04L1/00
Filed: 2021-03-31
Abstract: 提供了一种干扰处理方法和装置，能够处理干扰，从而提高目标检测率。该方法可以包括：获取第一信号，该第一信号包括多个采样点（S310）；基于该多个采样点中的每个采样点的能量值，确定该第一信号的方差（S320）；基于该第一信号的方差和预设的第一门限，确定该第一信号中存在干扰（S330）。
Patent WO-2022213350-A1 (WO)
Title: Capability obtaining method and apparatus, configuration sending method and apparatus, and capability receiving method and apparatus
Inventor: HONG WEI
IPC: H02J7/00
Filed: 2021-04-09
Abstract: The present disclosure relates to a capability obtaining method, applicable to a terminal. The method comprises: receiving configuration information of a first base station; in response to being in a disconnected state, receiving broadcast information of a second base station according to the configuration information; and determining wireless charging capability information of the second base station according to the broadcast information. According to the present disclosure, a terminal can obtain the wireless charging capability information of the second base station according to the configuration of the first base station when in the disconnected state, such that the wireless charging capability of the second base station can be determined. In this way, when the terminal subsequently establishes a connection with a third base station, the obtained capability information can be sent to the third base station. The third base station can select, for the terminal according to the capability information of the second base station, a base station having a suitable wireless charging capability to charge the terminal.
Patent WO-2022041770-A1 (WO)
Inventor: LI WEIWEI
IPC: E02B15/10
Filed: 2021-04-15
Abstract: Disclosed are a device for clearing an object floating on water and a clearing method therefor. The device comprises a ship body, wherein a cavity is provided in a tail end of the ship body; a collecting tank is fixed to an inner wall of the bottom of the cavity by means of a supporting frame; a channel is fixed to top ends of two sides of the collecting tank that are away from each other; an end of the channel away from the collecting tank extends to an outer side of the ship body and is fixedly provided with a debris inlet; a water suction pump is fixed to an outer wall of the collecting tank close to the channel; an electric motor is fixed to an inner wall of the side of the cavity that is close to the head of the ship body; a power output shaft of the electric motor is hinged to a torsion rod by means of a rotary disk; a sliding groove is fixed to an inner wall of the bottom of the cavity by means of a mounting frame; an inner wall of the bottom of the sliding groove is attached to an outer wall of the torsion rod; a clearing groove is further provided between the sliding groove and the collecting tank; and a push plate is arranged at an end of the torsion rod that is located inside the collecting tank. By means of the cooperative use of the various devices above, objects floating on water can be cleared more thoroughly, the debris clearing efficiency can be significantly improved, and the effect of effectively treating the problem of water pollution in a short time can be achieved.
Patent WO-2022160476-A1 (WO)
Inventor: YU XIAOPING
IPC: G02F1/1335
Filed: 2021-04-19
Abstract: 一种阵列基板，包括：设置于衬底（1）上且相互绝缘的第一金属层（3）及第二金属层（5），第二金属层（5）设置于第一金属层（3）远离衬底（1）的一侧；至少一功能导电层（2），功能导电层（2）设置于第一金属层（3）、第二金属层（5）中的至少一者靠近衬底（1）的一侧上；功能导电层（2）在衬底（1）上的正投影覆盖第二金属层（5）在衬底（1）上的正投影；功能导电层（2）在衬底（1）上的正投影覆盖第一金属层（3）在衬底（1）上的正投影；或者，功能导电层（2）设置于第二金属层（5）靠近衬底（1）的一侧上，且功能导电层（2）覆盖第二金属层（5）。还公开一种显示装置。
Patent WO-2022222129-A1 (WO)
Inventor: FANG YUNHUA
IPC: G02F1/1343
Filed: 2021-04-23
Abstract: 一种调光视窗及其制造方法，调光视窗包括对盒设置的第一基板（100）和第二基板（200），第一基板（100）超出第二基板（200）外的部分为单基板区（B），第一基板（100）在面向第二基板（200）的一侧设有第一透明导电层（110），第二基板（200）在面向第一基板（100）的一侧设有第二透明导电层（210）；设置于第一基板（100）与第二基板（200）之间的液晶层（300）；第一透明导电层（110）包括位于单基板区（B）的绑定区域（111），绑定区域（111）的图案包括隔开设置的第一子区域（1111）和第二子区域（1112）；第一子区域（1111）与驱动第一基板（100）的第一驱动电路绑定连接，第二子区域（1112）与驱动第二基板（200）的第二驱动电路绑定连接；且第二子区域（1112）与第二透明导电层（210）之间导电连接。实现单独在第一基板（100）上进行绑定即可对两个基板进行电路驱动的目的，无需在基板上进行挖孔，减少工艺难度，减少工艺耗时，且提升良率。
Patent WO-2021213509-A1 (WO)
Inventor: FENG ANMING
IPC: G06F1/16
Filed: 2021-04-23
Abstract: A support structure. The support structure comprises a first support (100) having a first supporting surface, a second support (200) having a second supporting surface, and a third support (300) having a third supporting surface, the first support (100) being provided with a first connecting portion (110); the second support (200) is rotatably fitted with the first support (100) by taking a rotation axis as an axis, the second support (200) is provided with a second connecting portion (210), both the first connecting portion (110) and the second connecting portion (210) are spaced apart from the rotation axis; the third support (300) is rotatably connected to the first connecting portion (110) and the second connecting portion (210); and when the support structure is in a folded state, the first supporting surface and the second supporting surface are spaced apart from the third supporting surface, and both the first supporting surface and the second supporting surface form a certain angle with the third supporting surface. Further provided are a screen assembly and an electronic device.
Patent WO-2022037112-A1 (WO)
Title: Device for high-altitude push and vertical movement for 900t bridge girder erection machine
Inventor: WANG YUNLIANG
IPC: E01D21/00
Filed: 2021-04-28
Abstract: A device for high-altitude push and vertical movement for 900t bridge girder erection machine, composed of a high-altitude carrier assembly (1.1), a locking device (2.1), and an auxiliary support leg stabilizer (3.1). The high-altitude carrier assembly (1.1) is mounted at a three-axis position of the front portion of a 900t beam transport vehicle (18); two sides of the locking device (2.1) are respectively connected to a 900t bridge girder erection machine main beam (19) and the high-altitude carrier assembly (1.1); the auxiliary support leg stabilizer (3.1) comprises a support rod (12) and hinge bases (11) at both ends of the support rod; and each hinged base has one end fixedly connected to a lower cover plate of the 900t bridge girder erection machine main beam (19), and the other end fixedly connected to a secondary telescopic sleeve of an auxiliary support leg of the 900t bridge girder erection machine to form a rigid leg. The present device overcomes the disadvantage of inability of an original 900t bridge girder erection machine to conduct carriage, vertical movement, and transfer between short-distance bridges during intercity concrete beam, special-shaped concrete beam, and special condition constructions due to changes in the cross-section of concrete beams, eliminates the need for disassembly, improves the adaptability of the original 900t bridge girder erection machine to different working conditions, and reduces the construction costs.
Patent WO-2021258862-A1 (WO)
Title: 打字方法及装置、设备、存储介质
Inventor: ZHANG XUEYONG
IPC: G06F3/01
Filed: 2021-04-30
Abstract: 一种打字方法及装置、设备、存储介质，其中，所述方法包括：获取用户姿态的二维图像和深度图像（201）；根据所述二维图像和所述深度图像，构建所述用户的三维姿态模型（202）；对所述三维姿态模型进行分析，输出分析得到的目标字符，以实现无键盘打字功能（203）。
Patent WO-2021238745-A1 (WO)
Title: Motor controller and vehicle having same
Inventor: LIU YUZHUO
IPC: H02K11/33
Filed: 2021-05-19
Abstract: Disclosed are a motor controller (1) and a vehicle (1000) having same. The motor controller (1) comprises a case (100), a low-voltage control unit (200), a driving unit (300), and a power unit (400); a low-voltage control layer (110), a driving layer (120), and a power layer (130) which are stacked in sequence are defined in the case (100); the low-voltage control unit (200) is arranged on the low-voltage control layer (110); the driving unit (300) is arranged on the driving layer (120); the power unit (400) is arranged on the power layer (130); the part of the case (100) located between the low-voltage control layer (110) and the driving layer (120) is an electromagnetic shielding plate.
Patent WO-2021233385-A1 (WO)
Title: Controllable rotary mucous membrane incision knife
Inventor: BAO SHAOPENG
IPC: A61B18/14
Filed: 2021-05-20
Abstract: Disclosed is a controllable rotary mucous membrane incision knife, comprising a core rod (13), a slip ring (14), an electrode device and a hook knife. The hook knife comprises a knife head (1) and an inhaul cable (16); the front end face of the core rod (13) is provided with a mounting hole for the inhaul cable (16) to extend therein; a mounting base (7) capable of rotating in the mounting hole is connected to the position of the mounting hole in a matching manner; an insulation outer tube (2) is fixed to the front end of the mounting base (7); a matching portion (4) is fixed on an inner wall of the front end of the insulation outer tube (2); a braking portion (5) is fixed on the peripheral surface of the inhaul cable (16) of the hook knife; and the matching portion (4) cooperates with the braking portion (5) in an axial and movable abutting-joint manner. The controllable rotary mucous membrane incision knife is reasonable in terms of structural design, by means of cooperation of the matching portion (4) and the braking portion (5), rotation and directional locking of the knife head (1) of the hook knife can be conveniently and rapidly achieved, requirements for adjustment of the rotation angle of the hook knife and directional operation of at fixed angle are facilitated, such that adjustment is convenient and reliable, and control and use in clinical operation are facilitated, which is conductive to the simplification of surgical procedures, and reduces the risks of an ESD operation.
Patent WO-2022110697-A1 (WO)
Inventor: ZHU LEI
IPC: H03K5/13
Filed: 2021-05-24
Abstract: 一种控制电路和延时电路，控制电路包括：控制单元（41）、第一反馈单元（42）和第二反馈单元（43），第一反馈单元（42）根据控制单元（41）的电压和第一参考电压，输出第一反馈信号，第一反馈单元（42）的第一端与控制单元（41）的第一端连接，第一反馈单元（42）的第二端为第一参考电压的输入端，第一反馈单元（42）的输出端与控制单元（41）的第二端连接，第二反馈单元（43）根据第一反馈单元（42）输出的电压和第二参考电压，输出第二反馈信号，第二反馈单元（43）的第二端为第二参考电压的输入端，第二反馈单元（43）的输出端与控制单元（41）的第三端连接，控制单元（41）根据第一反馈信号，调节控制单元（41）的第二端的电压，根据第二反馈信号，调节控制单元（41）的第三端的电压，以使控制单元（41）的电流随第一参数变化的变化值在第一范围内。
Patent WO-2022037178-A1 (WO)
Inventor: ZHAO LIANG
IPC: H01L27/108
Filed: 2021-05-31
Abstract: The present disclosure relates to the technical field of semiconductors, and provides a semiconductor device and a method for forming same. The semiconductor device of the present disclosure comprises a substrate, a capacitor array, and a support structure; a plurality of conductive contact plugs arranged at intervals are formed on the substrate; the capacitor array comprises a plurality of columnar capacitors arranged at intervals, the columnar capacitors are respectively formed on the conductive contact plugs, and a lower electrode of each columnar capacitor is in contact connection with the corresponding conductive contact plug; the support structure is formed on the substrate at the edge of the capacitor array, and surrounds the capacitor array; the distance between the inner wall and the outer wall of the support structure in any cross section parallel to the substrate is greater than the aperture of a capacitor hole of any columnar capacitor in the cross section. The semiconductor device of the present disclosure can perform lateral support on the outside of the capacitor array, thereby avoiding short circuit and increasing capacitance.
Patent WO-2022252211-A1 (WO)
Inventor: ZHAO NANDE
IPC: H04W72/04
Filed: 2021-06-04
Abstract: 一种无线通信的方法、终端设备和网络设备，该方法包括：终端设备确定物理上行控制信道PUCCH对应的目标PUCCH资源，所述PUCCH资源包括目标物理资源块PRB数个PRB中的每个PRB上的至少一个资源元素RE，所述目标PRB数为大于或等于1的正整数；所述终端设备通过所述目标PUCCH资源传输所述PUCCH，能够实现终端设备在至少一个PRB上的传输，从而能够提升终端设备的上行覆盖性能。
Patent WO-2021254478-A1 (WO)
Inventor: LI YUE
IPC: G06F40/58
Filed: 2021-06-18
Abstract: 一种文本识别方法、装置、存储介质以及电子设备，所述方法包括：获取文本图像（S101）；在所述文本图像中确定至少一个文本框，其中，每个所述文本框对应至少一个词（S102）；在所述至少一个文本框中确定待识别文本框（S103）；在所述文本图像中确定所述待识别文本框对应的图片单元（S104）；将所述图片单元旋转至目标姿态（S105）；对处于所述目标姿态的所述图片单元进行文本识别，获取目标识别结果（S106）。所述方法、装置、存储介质以及电子设备可以对大倾斜角度的文本中的文本单元进行识别。
Patent WO-2022017128-A1 (WO)
Title: Flow path converter, dispensing device, and washing machine
Inventor: HUANG TAO
IPC: D06F39/02
Filed: 2021-06-28
Abstract: A flow path converter, a dispensing device, and a washing machine. The flow path converter comprises: a housing (1), the housing (1) being provided with at least one liquid inlet (4) and at least one liquid outlet (5); a rotatable valve core (2) is provided in the housing (1), and at least one channel (9) is provided on the valve core (2); when the valve core (2) rotates to a predetermined position, the channel (9) connects or disconnects at least one liquid inlet (4) to or from at least one liquid outlet (5). In the described configuration, only by means of the rotation of the valve core (2) can the flow path converter achieve the effect of controllable opening and closing and/or switching the connection relationship between different liquid inlets (4) and different liquid outlets (5). Meanwhile, after the flow path converter is mounted in a dispensing device, and only one flow path converter is mounted in the dispensing device, the effect of switching and extracting different types of additives by means of different waterways of the automatic dispensing device can be achieved, thereby achieving the technical effects of reducing the number of suction structures in the dispensing device and simplifying the complexity of waterways.
Patent WO-2022057373-A1 (WO)
Title: Dual-port disk management method, apparatus and terminal, and storage medium
Inventor: SONG CHENGLEI
IPC: G06F11/22
Filed: 2021-06-30
Abstract: A dual-port disk management method, apparatus and terminal, and a storage medium, the method comprising: monitoring in real time whether an input/output error has occurred in two ports, and accumulating a count when an input/output error occurs; when the number of input/output errors of a port exceeds the number of input/output errors of the other port, the port is kicked out; and when the number of input/output errors of the two ports is the same, the kicked out port is pulled back. In the present invention, when the accumulative counts of two ports are the same, then health statuses of the two ports are similar, and a port is no longer kicked. Instead, the port that has been kicked out is pulled back, so that the two ports work at the same time, thus improving the stability of a dual-port disk, and reducing the number of incorrect kicking actions while reducing the number of centralized error outbreaks.
Patent WO-2022017222-A1 (WO)
Title: Method executed by user equipment and user equipment
Inventor: ZHANG CHONGMING
IPC: H04W24/00
Filed: 2021-07-13
Abstract: The present invention provides a method executed by a user equipment (UE) and a UE. The method executed by a UE comprises: the UE monitors a physical sidelink control channel (PSCCH) and receives sidelink control information (SCI) during the running of a periodically started timer T-active; when the received SCI information instructs to perform HARQ feedback, start a timer T1-retx; when the received SCI information instructs not to perform HARQ feedback, start a timer T2-retx; and during the running of the timer T1-retx and the timer T2-retx, the UE monitors the PSCCH.
Patent WO-2022116548-A1 (WO)
Title: Système de commande d'urgence d'alimentation
Inventor: XU XIYUAN
IPC: G09B9/00
Filed: 2021-07-15
Abstract: L'invention concerne un système de commande d'urgence d'alimentation, comprenant : un module d'acquisition de données (1), un module de préparation d'urgence (2), un module de surveillance et d'avertissement (3), ainsi qu'un module d'élimination et de sauvetage d'urgence (4). Le module d'acquisition de données (1) est configuré pour acquérir des informations de données de réseau électrique, des informations sur un sinistre, des informations de calendrier d'activité importantes et des informations de base d'urgence. Le module de préparation d'urgence (2) est configuré pour effectuer une décomposition structurée sur un plan de texte en fonction des informations de données de réseau électrique, des informations sur un sinistre et des informations de base d'urgence, générer un plan d'urgence, et effectuer un entraînement et un exercice selon le plan d'urgence. Le module de surveillance et d'avertissement (3) est configuré pour créer un événement d'avertissement d'urgence en fonction des informations sur un sinistre. Le module d'élimination et de sauvetage d'urgence (4) est configuré pour effectuer une élimination et un sauvetage d'urgence en fonction de l'événement d'avertissement d'urgence actuel et d'un plan d'urgence correspondant.
Patent WO-2022142314-A1 (WO)
Inventor: Ping Erxuan
IPC: H01L27/108
Filed: 2021-07-29
Abstract: The present disclosure provides a forming method for a storage node contact structure, and a semiconductor structure. The forming method for a storage node contact structure comprises the following steps: providing a substrate, forming bit line structures on a surface of the substrate, and forming a contact hole between the bit line structures; and growing a silicon crystal in the contact hole, and adding a doping source in the growth process, the doping concentration of the doping source at the end of the growth being greater than the doping concentration at the beginning of the growth, such that a silicon crystal graded structure transitioning from monocrystalline silicon to heavily doped polysilicon is formed in the contact hole.