Patents by Inventor Kuan-Wei Hsu
Kuan-Wei Hsu 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: 11961840Abstract: A semiconductor device structure is provided. The device includes one or more first semiconductor layers, each first semiconductor layer of the one or more first semiconductor layers is surrounded by a first intermixed layer, wherein the first intermixed layer comprises a first material and a second material.Type: GrantFiled: August 9, 2022Date of Patent: April 16, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Mao-Lin Huang, Lung-Kun Chu, Chung-Wei Hsu, Jia-Ni Yu, Kuo-Cheng Chiang, Kuan-Lun Cheng, Chih-Hao Wang
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Patent number: 11961897Abstract: A first fin structure is disposed over a substrate. The first fin structure contains a semiconductor material. A gate dielectric layer is disposed over upper and side surfaces of the first fin structure. A gate electrode layer is formed over the gate dielectric layer. A second fin structure is disposed over the substrate. The second fin structure is physically separated from the first fin structure and contains a ferroelectric material. The second fin structure is electrically coupled to the gate electrode layer.Type: GrantFiled: January 10, 2022Date of Patent: April 16, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chi-Hsing Hsu, Sai-Hooi Yeong, Ching-Wei Tsai, Kuan-Lun Cheng, Chih-Hao Wang, Min Cao
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Publication number: 20240120402Abstract: A semiconductor device structure, along with methods of forming such, are described. The semiconductor device structure includes a first dielectric feature extending along a first direction, the first dielectric feature comprising a first dielectric layer having a first sidewall and a second sidewall opposing the first sidewall, a first semiconductor layer disposed adjacent the first sidewall, the first semiconductor layer extending along a second direction perpendicular to the first direction, a second dielectric feature extending along the first direction, the second dielectric feature disposed adjacent the first semiconductor layer, and a first gate electrode layer surrounding at least three surfaces of the first semiconductor layer, and a portion of the first gate electrode layer is exposed to a first air gap.Type: ApplicationFiled: November 19, 2023Publication date: April 11, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jia-Ni YU, Kuo-Cheng CHIANG, Mao-Lin HUANG, Lung-Kun CHU, Chung-Wei HSU, Chun-Fu LU, Chih-Hao WANG, Kuan-Lun CHENG
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Publication number: 20240113119Abstract: The present disclosure describes a method for the formation of gate-all-around nano-sheet FETs with tunable performance. The method includes disposing a first and a second vertical structure with different widths over a substrate, where the first and the second vertical structures have a top portion comprising a multilayer nano-sheet stack with alternating first and second nano-sheet layers. The method also includes disposing a sacrificial gate structure over the top portion of the first and second vertical structures; depositing an isolation layer over the first and second vertical structures so that the isolation layer surrounds a sidewall of the sacrificial gate structure; etching the sacrificial gate structure to expose each multilayer nano-sheet stack from the first and second vertical structures; removing the second nano-sheet layers from each exposed multilayer nano-sheet stack to form suspended first nano-sheet layers; forming a metal gate structure to surround the suspended first nano-sheet layers.Type: ApplicationFiled: December 1, 2023Publication date: April 4, 2024Inventors: Tetsu Ohtou, Ching-Wei Tsai, Jiun-Jia Huang, Kuan-Lun Cheng, Chi-Hsing Hsu
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Patent number: 11948987Abstract: A semiconductor device according to the present disclosure includes a source feature and a drain feature, a plurality of semiconductor nanostructures extending between the source feature and the drain feature, a gate structure wrapping around each of the plurality of semiconductor nanostructures, a bottom dielectric layer over the gate structure and the drain feature, a backside power rail disposed over the bottom dielectric layer, and a backside source contact disposed between the source feature and the backside power rail. The backside source contact extends through the bottom dielectric layer.Type: GrantFiled: September 9, 2020Date of Patent: April 2, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Lung-Kun Chu, Mao-Lin Huang, Chung-Wei Hsu, Jia-Ni Yu, Kuo-Cheng Chiang, Kuan-Lun Cheng, Chih-Hao Wang
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Patent number: 11777337Abstract: A power supply system and a control method thereof are provided. The power supply system supplies power to a load and includes a power supply device and a backup power device. The power supply device supplies power to the load through a power bus. The backup power device includes a backup battery pack, a charging converter, a discharging converter, and a processor. The charging converter and the discharging converter are coupled to the backup battery pack. The processor determines whether a status of the power battery device is a load mode or a power supply mode according to a current conversion efficiency of the power supply device. In response to the power supply mode, the processor controls the backup battery pack, so that the backup battery pack and the power supply device simultaneously supply power to the load through the power bus.Type: GrantFiled: January 27, 2022Date of Patent: October 3, 2023Assignee: Wistron CorporationInventor: Kuan-Wei Hsu
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Publication number: 20230187965Abstract: A power supply system and a control method thereof are provided. The power supply system supplies power to a load and includes a power supply device and a backup power device. The power supply device supplies power to the load through a power bus. The backup power device includes a backup battery pack, a charging converter, a discharging converter, and a processor. The charging converter and the discharging converter are coupled to the backup battery pack. The processor determines whether a status of the power battery device is a load mode or a power supply mode according to a current conversion efficiency of the power supply device. In response to the power supply mode, the processor controls the backup battery pack, so that the backup battery pack and the power supply device simultaneously supply power to the load through the power bus.Type: ApplicationFiled: January 27, 2022Publication date: June 15, 2023Applicant: Wistron CorporationInventor: Kuan-Wei Hsu
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Patent number: 11108266Abstract: A control method for a power supply system includes a driving circuit conducting a switch element of a first backup transforming module of a backup supplying module corresponding to a phase of one of a plurality of power transforming modules in an abnormal operation according to a working signal corresponding to the power transforming module in the abnormal operation, when one of the plurality of power transforming modules corresponding to a three-phase voltage source is in the abnormal operation; and the driving circuit latching unconducted switch elements of at least one of undriven second backup transforming module of the backup supplying module corresponding to the phase, after a logic control circuit detects working signals corresponding to all phases of each backup transforming module, and latching unconducted switch elements corresponding to phases different with the phase of the first backup transforming module.Type: GrantFiled: September 11, 2019Date of Patent: August 31, 2021Assignee: Wiwynn CorporationInventor: Kuan-Wei Hsu
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Patent number: 10992170Abstract: A power supply apparatus and a power supplying method thereof are provided. The power supply apparatus includes a power switch and a supplied power generator. The power switch respectively receives a first power and a second power through a first switch and a second switch. The supplied power generator converts the first power or the second power to generate a supplied power. When the supplied power generator judges the first power being cut off, during a first time period, the first switch is cut off and a voltage converting operation of the supplied power generator is stopped. During a second time period, the second switch is turned on, and the voltage converting operation of the supplied power generator is restarted after the second switch being turned on.Type: GrantFiled: January 21, 2019Date of Patent: April 27, 2021Assignee: Wiwynn CorporationInventor: Kuan-Wei Hsu
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Publication number: 20200381937Abstract: A control method for a power supply system includes a driving circuit conducting a switch element of a first backup transforming module of a backup supplying module corresponding to a phase of one of a plurality of power transforming modules in an abnormal operation according to a working signal corresponding to the power transforming module in the abnormal operation, when one of the plurality of power transforming modules corresponding to a three-phase voltage source is in the abnormal operation; and the driving circuit latching unconducted switch elements of at least one of undriven second backup transforming module of the backup supplying module corresponding to the phase, after a logic control circuit detects working signals corresponding to all phases of each backup transforming module, and latching unconducted switch elements corresponding to phases different with the phase of the first backup transforming module.Type: ApplicationFiled: September 11, 2019Publication date: December 3, 2020Inventor: Kuan-Wei Hsu
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Publication number: 20200144854Abstract: A power supply apparatus and a power supplying method thereof are provided. The power supply apparatus includes a power switch and a supplied power generator. The power switch respectively receives a first power and a second power through a first switch and a second switch. The supplied power generator converts the first power or the second power to generate a supplied power. When the supplied power generator judges the first power being cut off, during a first time period, the first switch is cut off and a voltage converting operation of the supplied power generator is stopped. During a second time period, the second switch is turned on, and the voltage converting operation of the supplied power generator is restarted after the second switch being turned on.Type: ApplicationFiled: January 21, 2019Publication date: May 7, 2020Applicant: Wiwynn CorporationInventor: Kuan-Wei Hsu
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Patent number: 10148192Abstract: A power supply system is disclosed. The power supply module comprises a three-phase voltage source, for generating a power source with three phases; a plurality of power supply modules, coupled to the three-phase voltage source, each comprising a plurality of major transforming modules corresponding to the three-phase voltage source for generating a plurality of direct-current voltages according to the three-phase voltage source; and at least a backup supply module, coupled to the plurality of power supply modules, each comprising a plurality of backup transforming modules corresponding to the three-phase voltage source, for generating the plurality of direct-current voltages corresponding to the three-phase voltage source by a backup transforming module corresponding to at least one of the plurality of major transforming modules of the plurality of power supply modules when the at least one of the plurality of major transforming modules is in an abnormal operation.Type: GrantFiled: April 25, 2018Date of Patent: December 4, 2018Assignee: Wiwynn CorporationInventor: Kuan-Wei Hsu