Patents by Inventor Fei Ma
Fei Ma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11302568Abstract: A semiconductor device has a semiconductor material in a substrate. The semiconductor device has an MOS transistor. A trench in the substrate extends from a top surface of the substrate) into the semiconductor material. A shield is disposed in the trench. The shield has a contact portion which extends toward a top surface of the trench. A gate of the MOS transistor is disposed in the trench over the shield. The gate is electrically isolated from the shield. The gate is electrically isolated from the contact portion of the shield by a shield isolation layer which covers an angled surface of the contact portion extending toward the top of the trench. Methods of forming the semiconductor device are disclosed.Type: GrantFiled: August 21, 2019Date of Patent: April 12, 2022Assignee: Texas Instruments IncorporatedInventors: Hong Yang, Seetharaman Sridhar, Ya ping Chen, Fei Ma, Yunlong Liu, Sunglyong Kim
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Publication number: 20220052165Abstract: A semiconductor device, and methods of forming the same. In one example, the semiconductor device includes a trench in a substrate having a top surface, and a shield within the trench. The semiconductor device also includes a shield liner between a sidewall of the trench and the shield, and a lateral insulator over the shield contacting the shield liner. The semiconductor device also includes a gate dielectric layer on an exposed sidewall of the trench between the lateral insulator and the top surface. The lateral insulator may have a minimum thickness at least two times thicker than a maximum thickness of the gate dielectric layer.Type: ApplicationFiled: December 28, 2020Publication date: February 17, 2022Inventors: Fei Ma, Ya ping Chen, Yunlong Liu, Hong Yang, Shengpin Yang, Baoqiang Niu, Rui Liu, Zhi Peng Feng, Seetharaman Sridhar, Sunglyong Kim
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Patent number: 11228664Abstract: The present disclosure provides a method and an apparatus for acquiring remote-procedure-call (RPC) member information, an electronic device and a storage medium, and relates to the field of micro-services technologies in cloud services. The method includes: pushing, by nodes of a RPC cluster, respective local member lists of the nodes of the RPC cluster to each other, and merging, by each node of the RPC cluster, a received member list with a current local member list while performing deduplication until member lists of the nodes of the RPC cluster are synchronized.Type: GrantFiled: March 17, 2021Date of Patent: January 18, 2022Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.Inventors: Yu Hao, Fei Ma
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Publication number: 20210333141Abstract: A method for arranging sensors and a sensor arrangement structure, pair sensors by adding an additional sensor, and sets an operating mode between the sensors in an “OR” mode by a software. When one of the sensors become abnormal, an apparatus operates normally, which lowers a probability of crash of the apparatus, reduces loss of production capacity and raises production rate.Type: ApplicationFiled: August 2, 2019Publication date: October 28, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Jing ZHANG, Chenjie LI, Junjun WANG, Fei MA
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Patent number: 11127852Abstract: A trench gate metal oxide semiconductor field effect transistor (MOSFET) device includes an epitaxial layer on a substrate both doped a first conductivity type. Active area trenches have polysilicon gates over a double shield field plate. A junction termination trench includes a single shield field plate in a junction termination area which encloses the active area that includes a retrograde dopant profile of the second conductivity type into the epitaxial layer in the junction termination area. Pbody regions of a second conductivity type are between active trenches and between the outermost active trench and the junction termination trench. Source regions of the first conductivity type are in the body regions between adjacent active trenches. Metal contacts are over contact apertures that extend through a pre-metal dielectric layer reaching the body region under the source region, the single shield field plate, and that couples together the polysilicon gates.Type: GrantFiled: December 27, 2018Date of Patent: September 21, 2021Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Sunglyong Kim, Seetharaman Sridhar, Hong Yang, Ya Ping Chen, Yunlong Liu, Fei Ma
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Patent number: 11109901Abstract: A quick release sternum closing fixator has a locking roller, and a male fixing piece and a female fixing piece that can be plugged together. The male fixing piece has an elastic plug and the first claw hook plate. The elastic plug has the first serration on both sides and a tightening groove in the middle, thus forming two elastic claws. A tensioning device forces the two elastic claws to move against each other is provided between the said locking roller and the two elastic claws. After the locking roller rotates, when the elastic claws on the male fixing piece lose resilience due to the growth of human tissues, the two elastic claws can be forcibly pulled back to the initial state by rotating the locking roller, thus smoothly and quickly opening the sternum closing fixator.Type: GrantFiled: August 12, 2019Date of Patent: September 7, 2021Assignee: CHANGZHOU WASTON MEDICAL APPLIANCE CO., LTDInventors: Renmin Hu, Jiaping Yang, Fei Ma, Dong Wei
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Patent number: 11107318Abstract: A gaming system, computer-implemented method and gaming device are operable to determine player identification data corresponding to a player in a property corresponding to a selected one of multiple gaming operator nodes, compare the player identification data with each of multiple data blocks in a block chain to determine a match between the player identification data and one of the data blocks, and responsive determining that the player identification data matches one of the data blocks, send an alarm signal to a gaming operator that corresponds to the selected one of the gaming operator nodes.Type: GrantFiled: May 7, 2019Date of Patent: August 31, 2021Assignee: IGTInventors: Fei Ma, Haipeng Wang, Naibin Song, Yang Liu, Sarina Bao, Xuan Wei
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Patent number: 11108276Abstract: The invention relates to a high-performance shielding sheet, preparation method thereof and coil module comprising the same. The high-performance shielding sheet includes at least one sheet which include: at least one shielding layer with low coercive force and low remanence formed of a soft magnetic material; and at least one adhesive layer disposed on at least one side of the shielding layer; and wherein the shielding layer includes a plurality of graphical slits, and the plurality of graphical slits divide the shielding layer into a plurality of graphical fragments; and wherein the plurality of graphical slits are filled with the adhesive layer, enabling the plurality of graphical fragments to be separated from each other and have a good insulation property. The advantages include: improving the electric charging conversion rate, increasing the charging efficiency, reducing the transmission loss, and increasing the uniformity of the electromagnetic wave transmission medium.Type: GrantFiled: September 28, 2018Date of Patent: August 31, 2021Assignee: SUNLINE PRINTING (SHANGHAI) ELECTRONICS CO., LTD.Inventors: Kexin Xu, Tao Lin, Changhe Wu, Jin Wang, Qingwen Guo, Huixin Hu, Fei Ma, Xu Yang, Yunfang Huo, Jianghua Qian
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Publication number: 20210212193Abstract: A circuit board assembly is applied to the field of electronic communications technologies to resolve a prior-art heat dissipation problem of a circuit board. The circuit board assembly combines, on a second circuit board, low-speed signals transmitted between a plurality of I/O modules and an IC chip, and then transmits the combined low-speed signals to the IC chip by using a low-speed cable. A low-speed signal sent by the IC chip to the plurality of I/O modules is extended to a plurality of low-speed signals on the second circuit board, and then the plurality of low-speed signals are separately sent to the plurality of I/O modules. This may be applied to a scenario in which a relatively large quantity of electronic components need to be disposed on a circuit board.Type: ApplicationFiled: January 22, 2021Publication date: July 8, 2021Inventors: Chaojun DENG, Fei MA, Wei FANG, Zhiwen YANG, Chungang LI, Shun HAO
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Publication number: 20210203754Abstract: The present disclosure provides a method and an apparatus for acquiring remote-procedure-call (RPC) member information, an electronic device and a storage medium, and relates to the field of micro-services technologies in cloud services. The method includes: pushing, by nodes of a RPC cluster, respective local member lists of the nodes of the RPC cluster to each other, and merging, by each node of the RPC cluster, a received member list with a current local member list while performing deduplication until member lists of the nodes of the RPC cluster are synchronized.Type: ApplicationFiled: March 17, 2021Publication date: July 1, 2021Applicant: Beijing Baidu Netcom Science and Technology Co., Ltd.Inventors: Yu Hao, Fei Ma
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Patent number: 11035093Abstract: A multi-degree-of-freedom automatic center-adjusting device, a hydraulic quick-coupling device, and rescue equipment are provided. The automatic center-adjusting device includes an active coupling valve set, a spring, and a dynamic adjustment swing rack. A first end of the dynamic adjustment swing rack is fixed to operation tools, and a second end of the dynamic adjustment swing rack is connected to the active coupling valve set through the spring. The dynamic adjustment swing rack includes a frame, a limit slot, and a spring limit cylinder, wherein the frame is used to support and fix the active coupling valve set, the limit slot is used to define a limit activity position of the active coupling valve set, and the spring limit cylinder is used to constrain the spring. The automatic center-adjusting device is used to solve technical problems of position errors and a center mismatch in a coupling process.Type: GrantFiled: November 18, 2020Date of Patent: June 15, 2021Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Fei Ma, Chun Jin, Yuchao Liu, Yanhua Shen, Lulu Gao
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Publication number: 20210148080Abstract: A multi-degree-of-freedom automatic center-adjusting device, a hydraulic quick-coupling device, and rescue equipment are provided. The automatic center-adjusting device includes an active coupling valve set, a spring, and a dynamic adjustment swing rack. A first end of the dynamic adjustment swing rack is fixed to operation tools, and a second end of the dynamic adjustment swing rack is connected to the active coupling valve set through the spring. The dynamic adjustment swing rack includes a frame, a limit slot, and a spring limit cylinder, wherein the frame is used to support and fix the active coupling valve set, the limit slot is used to define a limit activity position of the active coupling valve set, and the spring limit cylinder is used to constrain the spring. The automatic center-adjusting device is used to solve technical problems of position errors and a center mismatch in a coupling process.Type: ApplicationFiled: November 18, 2020Publication date: May 20, 2021Applicant: University of Science and Technology BeijingInventors: Fei MA, Chun JIN, Yuchao LIU, Yanhua SHEN, Lulu GAO
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Publication number: 20200357233Abstract: A gaming system, computer-implemented method and gaming device are operable to determine player identification data corresponding to a player in a property corresponding to a selected one of multiple gaming operator nodes, compare the player identification data with each of multiple data blocks in a block chain to determine a match between the player identification data and one of the data blocks, and responsive determining that the player identification data matches one of the data blocks, send an alarm signal to a gaming operator that corresponds to the selected one of the gaming operator nodes.Type: ApplicationFiled: May 7, 2019Publication date: November 12, 2020Inventors: Fei MA, Haipeng WANG, Naibin SONG, Yang LIU, Sarina BAO, Xuan WEI
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Publication number: 20200337750Abstract: A quick release sternum closing fixator has a locking roller, and a male fixing piece and a female fixing piece that can be plugged together. The male fixing piece has an elastic plug and the first claw hook plate. The elastic plug has the first serration on both sides and a tightening groove in the middle, thus forming two elastic claws. A tensioning device forces the two elastic claws to move against each other is provided between the said locking roller and the two elastic claws. After the locking roller rotates, when the elastic claws on the male fixing piece lose resilience due to the growth of human tissues, the two elastic claws can be forcibly pulled back to the initial state by rotating the locking roller, thus smoothly and quickly opening the sternum closing fixator.Type: ApplicationFiled: August 12, 2019Publication date: October 29, 2020Inventors: Renmin Hu, Jiaping Yang, Fei Ma, Dong Wei
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Publication number: 20200312710Abstract: A semiconductor device has a semiconductor material in a substrate. The semiconductor device has an MOS transistor. A trench in the substrate extends from a top surface of the substrate) into the semiconductor material. A shield is disposed in the trench. The shield has a contact portion which extends toward a top surface of the trench. A gate of the MOS transistor is disposed in the trench over the shield. The gate is electrically isolated from the shield. The gate is electrically isolated from the contact portion of the shield by a shield isolation layer which covers an angled surface of the contact portion extending toward the top of the trench. Methods of forming the semiconductor device are disclosed.Type: ApplicationFiled: August 21, 2019Publication date: October 1, 2020Inventors: Hong YANG, Seetharaman SRIDHAR, Ya ping CHEN, Fei MA, Yunlong LIU, Sunglyong KIM
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Publication number: 20200212218Abstract: A trench gate metal oxide semiconductor field effect transistor (MOSFET) device includes an epitaxial layer on a substrate both doped a first conductivity type. Active area trenches have polysilicon gates over a double shield field plate. A junction termination trench includes a single shield field plate in a junction termination area which encloses the active area that includes a retrograde dopant profile of the second conductivity type into the epitaxial layer in the junction termination area. Pbody regions of a second conductivity type are between active trenches and between the outermost active trench and the junction termination trench. Source regions of the first conductivity type are in the body regions between adjacent active trenches. Metal contacts are over contact apertures that extend through a pre-metal dielectric layer reaching the body region under the source region, the single shield field plate, and that couples together the polysilicon gates.Type: ApplicationFiled: December 27, 2018Publication date: July 2, 2020Inventors: SUNGLYONG KIM, SEETHARAMAN SRIDHAR, HONG YANG, YA PING CHEN, YUNLONG LIU, FEI MA
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Patent number: 10642170Abstract: An angle adjustment tool, an angle adjustment system for a liquid crystal panel and a corresponding line defect analysis method are disclosed. The angle adjustment tool includes: a base; a first toothed member and a second toothed member; a rotating scale; and an angle indicator. The first toothed member includes a first toothed portion. A first end of the second toothed member has a second toothed portion and engages with the first toothed portion of the first toothed member, and a second end of the second toothed member is connected to the rotating scale; the second toothed member is pivotable about a central pivot axis of the second toothed portion. A pitch circle diameter of the second toothed portion is n times a pitch circle diameter of the first toothed portion, where n is a positive integer greater than or equal to 2.Type: GrantFiled: July 17, 2017Date of Patent: May 5, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhe Wang, Yuanchao Zhu, Guoyu Qiao, Fei Ma, Chen Qi
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Patent number: 10576607Abstract: A microbial dressing method for super abrasive tools includes a kind of microbe which is capable of consuming the bond in a certain manner is selected to perform the microbial dressing. Specifically, the microbe is inoculated and cultured in the culture medium to a certain concentration, then the dressing area of the abrasive tool is immersed into the culture liquid to remove the bond in the surface by the action of the microbe, and the control of the dressing amount is realized by controlling the microbe concentration and the soaking time. Precise dressing for super abrasive products, particularly for fine grained abrasive tools can be realized using the present method.Type: GrantFiled: April 5, 2017Date of Patent: March 3, 2020Assignee: HUAQIAO UNIVERSITYInventors: Hui Huang, Fei Ma, Xipeng Xu
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Publication number: 20200059118Abstract: The invention relates to a high-performance shielding sheet, preparation method thereof and coil module comprising the same. The high-performance shielding sheet includes at least one sheet which include: at least one shielding layer with low coercive force and low remanence formed of a soft magnetic material; and at least one adhesive layer disposed on at least one side of the shielding layer; and wherein the shielding layer includes a plurality of graphical slits, and the plurality of graphical slits divide the shielding layer into a plurality of graphical fragments; and wherein the plurality of graphical slits are filled with the adhesive layer, enabling the plurality of graphical fragments to be separated from each other and have a good insulation property. The advantages include: improving the electric charging conversion rate, increasing the charging efficiency, reducing the transmission loss, and increasing the uniformity of the electromagnetic wave transmission medium.Type: ApplicationFiled: September 28, 2018Publication date: February 20, 2020Inventors: Kexin Xu, Tao Lin, Changhe Wu, Jin Wang, Qingwen Guo, Huixin Hu, Fei Ma, Xu Yang, Yunfang Huo, Jianghua Qian
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Patent number: 10524162Abstract: A method for receiving a plurality of data packets is disclosed. The method includes: receiving MAC PDUs from a source UE of the wireless network through a relay UE, a base station and directly from the source UE, wherein the MAC PDUs are composed of RLC PDUs and RLC PDU segments; demultiplexing the MAC PDUs to retrieve the RLC PDUs and the RLC PDU segments based on a header field of each MAC PDU; reordering the RLC PDUs and the RLC PDU segments and performing a duplicate detection of the RLC PDUs and the RLC PDU segments according to TSNs, wherein each TSN is included in a header field of each RLC PDU and each RLC PDU segment; and reassembling the RLC PDUs and the RLC PDU segments into RLC SDUs using information included in the header field of each RLC PDU and each RLC PDU segment.Type: GrantFiled: June 4, 2018Date of Patent: December 31, 2019Assignee: Industrial Technology Research InstituteInventors: Chun-Yuan Chiu, Ruo-Fei Ma, Nian Xia, Hsiao-Hwa Chen