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公开(公告)号:US20250105819A1
公开(公告)日:2025-03-27
申请号:US18580940
申请日:2022-08-30
Inventor: Qiuxu WEI , Yue LI , Lihui WANG , Yanfei REN , Taonan ZHANG , Yuelei XIAO , Yifan WU , Yulin FENG , Xue CAO , Kidong HAN , Qichang AN , Wenbo CHANG , Huiying LI , Feng QU
Abstract: A bulk acoustic wave resonator, a manufacturing method thereof and a filter are provided and belong to the technical field of radio frequency micro-electro-mechanical system. The resonator includes a dielectric substrate, a first electrode, a piezoelectric layer, and a second electrode. The dielectric substrate has a first cavity penetrating through the dielectric substrate in a thickness direction thereof, and the first cavity includes a first opening penetrating through the first surface, and a second opening penetrating through the second surface. The first opening includes first sides sequentially arranged in a clockwise direction, and first connecting sides each connecting two adjacent first sides; the second opening includes second sides sequentially arranged in a clockwise direction, and second connecting sides each connecting two adjacent second sides. The first sides are in one-to-one correspondence with the second sides, and the first connecting sides are in one-to-one correspondence with the second connecting sides.
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公开(公告)号:US20250008662A1
公开(公告)日:2025-01-02
申请号:US18276636
申请日:2022-07-27
Inventor: Qichang AN , Yifan WU , Yuelei XIAO , Yue LI , Yulin FENG , Huiying LI , Biqi LI
IPC: H05K1/18
Abstract: A functional substrate includes a first dielectric substrate, which includes a first surface and a second surface oppositely arranged along a thickness direction of the first dielectric substrate; the first dielectric substrate is provided with a first connection hole at least penetrating through the first surface; a first connection electrode is arranged in the first connection hole, whih includes a first sub-hole and a second sub-hole sequentially arranged along a direction away from the second surface and communicated with each other; the second sub-hole penetrates through the first surface; an opening width of the second sub-hole is monotonically increased in the direction away from the second surface, and a minimum opening width of the second sub-hole is not smaller than a maximum opening width of the first sub-hole; the first and second sub-holes form a corner at a position where the first sub-hole and the second sub-hole are connected.
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公开(公告)号:US20240426680A1
公开(公告)日:2024-12-26
申请号:US18686517
申请日:2023-01-03
Inventor: Qiuxu WEI , Yue LI , Lihui WANG , Weilong GUO , Yanfei REN , Taonan ZHANG , Wenbo CHANG , Jie SUN , Nana HE , Shaohua WU , Guochen DU , Ding DING , Feng QU
IPC: G01L1/14
Abstract: An MEMS pressure sensor, a method for manufacturing an MEMS pressure sensor, and a pressure detection device are provided. The MEMS pressure sensor includes: an adapter board; an integrated circuit chip on one side of the adapter board; and a sensor chip on a side of the adapter board away from the integrated circuit chip. The sensor chip includes a first electrode and a second electrode, and the first electrode is between the adapter board and the second electrode; the second electrode includes a pressure-sensitive portion opposite to the first electrode and an edge portion surrounding the pressure-sensitive portion, the edge portion is fixed onto the adapter board by a bonding layer, and the first electrode, the second electrode, the bonding layer and the adapter board define a cavity. The first and second electrodes of the sensor chip are electrically connected to the integrated circuit chip through the adapter board.
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公开(公告)号:US20240388271A1
公开(公告)日:2024-11-21
申请号:US18272790
申请日:2022-07-26
Inventor: Yulin FENG , Yue LI , Yuelei XIAO , Huiying LI , Xue CAO , Kidong HAN , Yanfei REN , Yifan WU , Wenbo CHANG , Qichang AN , Biqi LI
Abstract: A filter circuit includes a first resonant sub-circuit, a second resonant sub-circuit and an impedance matching network; the first resonant sub-circuit and the second resonant sub-circuit are each connected to the impedance matching network in series; the first resonant sub-circuit is configured to allow a signal with a frequency higher than a first frequency to pass; the second resonant sub-circuit is configured to allow a signal with a frequency lower than a second frequency to pass, and the second frequency is greater than the first frequency; the impedance matching network is configured to allow a signal between the first frequency and the second frequency to pass; the impedance matching network includes a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor and a first inductor.
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公开(公告)号:US20240356512A1
公开(公告)日:2024-10-24
申请号:US18762671
申请日:2024-07-03
Inventor: Chunnan FENG , Yulin FENG , Xue CAO , Yue LI , Yuelei XIAO , Huiying LI
IPC: H03H7/01
CPC classification number: H03H7/0115 , H03H7/1758 , H03H7/1766 , H03H7/1775
Abstract: A filter, an integrated passive device and an electronic device are disclosed. The filter includes a first port, a second port, a first band-pass filter circuit, a second band-pass filter circuit, and a third band-pass filter circuit; the first band-pass filter circuit is configured to input a first signal with a frequency between a first frequency and a second frequency in an initial signal input from the first port to the second band-pass filter circuit; the second band-pass filter circuit is configured to receive the first signal, and input a second signal with a frequency between a third frequency and a fourth frequency in the first signal to third band-pass filter circuit; the third band-pass filter circuit is configured to receive the second signal, and input a third signal with a frequency between a fifth frequency and a sixth frequency in the second signal to the second port.
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公开(公告)号:US20240312693A1
公开(公告)日:2024-09-19
申请号:US18027920
申请日:2022-06-29
Inventor: Yulin FENG , Yue LI , Yuelei XIAO , Xue CAO , Kidong HAN , Lihui WANG , Qiuxu WEI , Wenbo CHANG , Yifan WU , Yi ZHOU , Qichang AN , Yanfei REN , Huiying LI , Biqi LI
CPC classification number: H01F27/2852 , H01F27/29 , H01F27/32 , H01F41/00
Abstract: An inductor, a manufacturing method for an inductor, a filter and an electronic device are provided, and belongs to the field of electronic device technology. The inductor includes: a first dielectric substrate including opposite first and second surfaces along a thickness direction of the first dielectric substrate, wherein the first dielectric substrate is provided with first connection vias penetrating through the first dielectric substrate along the thickness direction, and a first groove penetrating through a part of the first dielectric substrate in the thickness direction; first sub-structures on the first surface; second sub-structures on the second surface; first connection electrodes in the first connection vias, wherein the first and second sub-structures are sequentially connected together through the first connection electrodes to form a coil structure of the inductor; and a magnetic core in the first groove to be insulated from the first and second sub-structures and in the coil structure.
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公开(公告)号:US20240145321A1
公开(公告)日:2024-05-02
申请号:US17772272
申请日:2021-04-23
Inventor: Chuncheng CHE , Feng LIU , Yuelei XIAO , Yue LI , Guochen DU , Xue CAO , Yifan WU , Wenbo CHANG
IPC: H01L23/15 , H01F41/04 , H01L23/522
CPC classification number: H01L23/15 , H01F41/04 , H01L23/5222 , H01L23/5226 , H01L23/5227 , H01L28/10 , H01L28/60
Abstract: A substrate integrated with passive devices and a manufacturing method thereof are provided. The manufacturing method of the substrate integrated with passive devices includes: providing a transparent dielectric layer with first connection vias therein, wherein the transparent dielectric layer includes a first surface and a second surface, which are opposite to each other along a thickness direction of the transparent dielectric layer; integrating the passive devices onto the transparent dielectric layer, wherein the passive devices include at least an inductor, the integrating the passive devices onto the transparent dielectric layer includes: forming first sub-structures on the first surface of the transparent dielectric layer, forming second sub-structures on the second surface, and forming first connection electrodes in the first connection vias, respectively; wherein the first sub-structures, the first connection electrodes and the second sub-structures are connected together to form a coil structure of the inductor.
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38.
公开(公告)号:US20220193669A1
公开(公告)日:2022-06-23
申请号:US17600090
申请日:2021-02-26
Inventor: Yongjia GAO , Yingying ZHAO , Hui LIAO , Wenliang YAO , Le GU , Bolin FAN , Yue LI
Abstract: Provided are a temperature control system, a detection system and a temperature control method for a micro-fluidic chip. The temperature control system includes a circuit structure in a functional layer of the micro-fluidic chip, corresponding to a reaction zone of the micro-fluidic chip, and including at least two thermistors and an input port and an output port, wherein the input port and the output port are electrically coupled through the thermistors to form an application circuit; and a controller electrically coupled to each port and configured to select a first input port and a first output port, such that the circuit structure is configured to form a first application circuit as a heating device, and to select a second input port and a second output port, such that the circuit structure is configured to form a second application circuit as a temperature sensor.
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公开(公告)号:US20220036112A1
公开(公告)日:2022-02-03
申请号:US17263418
申请日:2020-03-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Guangwei HUANG , Yue LI
Abstract: The present invention provides a word recognition method. The method includes: acquiring an image of a word to be recognized; recognizing edges of each character of the word to be recognized from the image of the word to be recognized; determining a geometric position of the word to be recognized; stretching the geometric position of the word to be recognized to a horizontal position; and recognizing the word to be recognized in the horizontal position.
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公开(公告)号:US20210272314A1
公开(公告)日:2021-09-02
申请号:US17257881
申请日:2019-12-17
Applicant: BOE Technology Group Co., Ltd.
Inventor: Yue LI
Abstract: The present disclosure provides a queuing recommendation method and device, a terminal and a computer readable storage medium, and belongs to the technical field of image processing. The method includes: acquiring image information of all queuing objects, acquiring position information of each queuing object according to the image information, determining all effective queues according to the position information of the queuing objects, and determining tail position information of queues where the effective queues are located, wherein each effective queue includes at least one effective queuing object, and the tail position information of the queue including the fewest effective queuing objects is used as a recommendation result. According to the queuing recommendation method provided by the present disclosure, the accuracy of the recommendation result is improved, and time is saved.
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