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公开(公告)号：US12210288B2
公开(公告)日：2025-01-28
申请号：US17576774
申请日：2022-01-14
Inventor： Zhongping Zhao , Wenlong Zhang , Maochun Dai , Sainan Huai , Yu Zhou
IPC: H01L21/67 , G03F7/42 , H01L21/02 , H01L21/027
Abstract: This application relates to a photoresist removal method, including: acquiring a target wafer, a photoresist being provided on a surface of the target wafer, a surface of a photoresist layer of the photoresist being plated with a metal overhead layer; immersing the target wafer in a first organic solvent at a first temperature in a water bath for a first duration; rinsing the target wafer with a new first organic solvent in response to an end of the first duration; performing, in the first organic solvent, ultrasonic cleaning on the rinsed target wafer for a second duration based on a target ultrasonic power; removing the residual first organic solvent on the surface of the target wafer in response to an end of the second duration; and drying the target wafer with the solvent removed by simultaneous centrifugal drying and gas purging to obtain the target wafer with the photoresist removed.
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公开(公告)号：US12161053B2
公开(公告)日：2024-12-03
申请号：US17592481
申请日：2022-02-03
Inventor： Yu Zhou , Zhenxing Zhang , Sainan Huai , Yarui Zheng , Shengyu Zhang
Abstract: A superconducting quantum hybrid system includes: a silicon carbide (SiC) epitaxial layer; and a superconducting qubit line, the superconducting qubit line corresponding to a superconducting qubit, where a designated region of the SiC epitaxial layer includes a nitrogen vacancy (NV) center, the NV center being formed by implanting nitrogen ions into the designated region of the SiC epitaxial layer, and where the superconducting qubit line is located on a surface of the SiC epitaxial layer, the superconducting qubit is coupled to a solid-state defect qubit, and the solid-state defect qubit is a qubit corresponding to the NV center in the designated region.
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公开(公告)号：US11972326B2
公开(公告)日：2024-04-30
申请号：US18050281
申请日：2022-10-27
Inventor： Xiu Gu , Sainan Huai , Shuoming An , Zhenxing Zhang , Yu Zhou , Xiong Xu , Shengyu Zhang
Abstract: A parity checking method and apparatus for a qubit, a superconducting quantum chip, an electronic device, and a storage medium are provided. The method includes: configuring a measurement system for a qubit excited state measurement environment, the measurement system including: a first data qubit, a second data qubit, and an auxiliary qubit; determining a first operational frequency parameter of the first data qubit; determining a second operational frequency parameter of the second data qubit; determining a third operational frequency parameter of the auxiliary qubit; determining a logic gate matching the qubit excited state measurement environment based on the first operational frequency parameter, the second operational frequency parameter, and the third operational frequency parameter; and checking parity of a qubit in the qubit excited state measurement environment according to the logic gate.
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公开(公告)号：US20180309644A1
公开(公告)日：2018-10-25
申请号：US16024181
申请日：2018-06-29
Inventor： Zheng Xue , Yu Zhou , Jing Lv , Yanbai Zhao , Baojian Wang , Ningbo Qiao
CPC classification number: H04L41/5025 , H04L41/5087 , H04L43/08
Abstract: This application discloses a link decision-making method, applied to a link decision-making system including first and second user equipment that are in a Voice over Internet Protocol (VoIP) call status, a transit server, and a decision-making computing device. A first link directly connecting the two user equipment and a second link that transits by using the transit server exist between the two user equipment. The decision-making computing device is responsible for making, according to a link quality score of a current sending link between the first and second user equipment, a decision about using the first link or the second link as a subsequent sending link of the first user equipment. According to the link decision-making method provided in this application, it can be ensured that a better link can be selected to transmit a data stream of VoIP, thereby improving the quality of service (QoS) of the VoIP.
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Patent Agency Ranking
公开(公告)号：US12190202B2
公开(公告)日：2025-01-07
申请号：US17540474
申请日：2021-12-02
Inventor： Sainan Huai , Yu Zhou , Zhenxing Zhang , Yarui Zheng , Wenlong Zhang , Chuhong Yang , Maochun Dai , Yicong Zheng , Shengyu Zhang
IPC: G06N10/00
Abstract: This application discloses methods and devices for a quantum chip, a quantum processor and a quantum computer, and relates to the field of quantum technology. The quantum chip includes a bottom sheet and a top sheet; a qubit array disposed on the top sheet, the qubit array comprising a plurality of qubits distributed in an array structure of M rows by N columns, and M and N being both integers greater than 1; a reading cavity disposed on the bottom sheet, and the reading cavity being configured to acquire status information of a qubit in the qubit array; and the bottom sheet and the top sheet being electrically connected.
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公开(公告)号：US12001922B2
公开(公告)日：2024-06-04
申请号：US17668380
申请日：2022-02-09
Inventor： Yu Zhou , Zhenxing Zhang , Shuoming An , Zelong Yin , Sainan Huai , Xiu Gu , Xiong Xu , Shengyu Zhang
Abstract: A quantum circuit includes: a qubit, a resonant cavity, and a feeder, the resonant cavity being coupled to the qubit, and the feeder being coupled to the qubit. The feeder is configured to feed an initialization signal to the qubit, the initialization signal being a modulation signal used for causing a frequency of the qubit to generate a vibration. The vibration causes an equivalent state exchange to occur between the qubit and the resonant cavity, and an excited state of the qubit is initialized to a ground state by using the resonant cavity.
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公开(公告)号：US12175334B2
公开(公告)日：2024-12-24
申请号：US17585471
申请日：2022-01-26
Inventor： Zhenxing Zhang , Yu Zhou , Yarui Zheng , Shengyu Zhang
IPC: G06N10/40
Abstract: A method for processing a frequency control signal includes providing a square wave pulse to a target qubit, and controlling, after a first time elapses from an end time of the square wave pulse, the target qubit to rotate around a Y axis by a first target distance. The first time has a value that is variable. The method includes performing, after a second time elapses from the first time, a QST measurement on the target qubit and reconstructing a density matrix of the target qubit based on the QST measurement to obtain a phase parameter value of the target qubit associated with the value of the first time. Further, the method includes varying the first time and repeating the QST measurement in response to values of the first time to obtain phase parameter values associated with the values of the first time; and adjusting the frequency control signal accordingly.
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公开(公告)号：US11025686B2
公开(公告)日：2021-06-01
申请号：US15870217
申请日：2018-01-12
Inventor： Jihao Wang , Jing Lv , Yongfang Shi , Yu Zhou , Jingchang Chen , Baojian Wang , Yongyu Lin , Jiakai Wang , Runjia Huang , Jiamin Chen , Jin Huang , Hongfa Qiu , Junshan Wang
IPC: G06F3/0482 , G06F3/0484 , H04L29/06 , H04L12/58 , H04N7/15 , H04M3/56 , H04M7/00 , G06Q50/00 , G06F3/0488 , G06T3/60
Abstract: The present disclosure provides a network call method, terminal, and server. The method includes: displaying a scenario interface for a social application group; displaying a first list of user identifiers when an instruction for initiating a specified call is received; determining, according to a selection operation in the first list of user identifiers, identifiers of second users; sending a network call request to a social application server, the network call request comprising an identifier of the first user logging in at the first terminal locally and the identifiers of the second users, so that the social application server creates a virtual group, and adds, to the virtual group, the first terminal and second terminals corresponding to the identifiers of the second users accepting call invitations; and performing a network call in a call interface for the virtual group.
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公开(公告)号：US10652138B2
公开(公告)日：2020-05-12
申请号：US16024181
申请日：2018-06-29
Inventor： Zheng Xue , Yu Zhou , Jing Lv , Yanbai Zhao , Baojian Wang , Ningbo Qiao
IPC: H04L12/24 , H04L12/26 , H04L12/707
Abstract: This application discloses a link decision-making method, applied to a link decision-making system including first and second user equipment that are in a Voice over Internet Protocol (VoIP) call status, a transit server, and a decision-making computing device. A first link directly connecting the two user equipment and a second link that transits by using the transit server exist between the two user equipment. The decision-making computing device is responsible for making, according to a link quality score of a current sending link between the first and second user equipment, a decision about using the first link or the second link as a subsequent sending link of the first user equipment. According to the link decision-making method provided in this application, it can be ensured that a better link can be selected to transmit a data stream of VoIP, thereby improving the quality of service (QoS) of the VoIP.
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