Patents by Inventor Yun-Chi Wu

Yun-Chi Wu 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).

  • Publication number: 20240097027
    Abstract: A semiconductor structure includes a semiconductor substrate, first to third isolation structures, and a conductive feature. The first to third isolation structures are over the semiconductor substrate and spaced apart from each other. The semiconductor substrate comprises a region surrounded by a sidewall of the first isolation structure and a first sidewall of the second isolation structure. The conductive feature extends vertically in the semiconductor substrate and between the between the second and third isolation structures, wherein the conductive feature has a rounded corner adjoining a second sidewall of the second isolation structure opposite the first sidewall of the second isolation structure.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 21, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Ming PAN, Chia-Ta HSIEH, Po-Wei LIU, Yun-Chi WU
  • Publication number: 20240096941
    Abstract: A semiconductor structure includes a substrate with a first surface and a second surface opposite to the first surface, a first and a second shallow trench isolations disposed in the substrate and on the second surface, a deep trench isolation structure in the substrate and coupled to the first shallow trench isolation, a first dielectric layer disposed on the first surface and coupled to the deep trench isolation structure, a second dielectric layer disposed over the first dielectric layer and coupled to the deep trench isolation structure, a third dielectric layer comprising a horizontal portion disposed over the second dielectric layer and a vertical portion coupled to the horizontal portion, and a through substrate via structure penetrating the substrate from the first surface to the second surface and penetrating the second shallow trench isolation.
    Type: Application
    Filed: January 11, 2023
    Publication date: March 21, 2024
    Inventors: SHIH-JUNG TU, PO-WEI LIU, TSUNG-YU YANG, YUN-CHI WU, CHIEN HUNG LIU
  • Publication number: 20240087989
    Abstract: A semiconductor arrangement includes a first dielectric feature passing through a semiconductive layer and a first dielectric layer over a substrate. The semiconductor arrangement includes a conductive feature passing through the semiconductive layer and the first dielectric layer and electrically coupled to the substrate. The conductive feature is adjacent the first dielectric feature and electrically isolated from the semiconductive layer by the first dielectric feature.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Inventors: Josh LIN, Chung-Jen HUANG, Yun-Chi WU, Tsung-Yu YANG
  • Patent number: 11894425
    Abstract: A method of forming a semiconductor arrangement includes forming a gate dielectric layer over a semiconductor layer. A gate electrode layer is formed over the gate dielectric layer. A first gate mask is formed over the gate electrode layer. The gate electrode layer is etched using the first gate mask as an etch template to form a first gate electrode. A first dopant is implanted into the semiconductor layer using the first gate mask and the first gate electrode as an implantation template to form a first doped region in the semiconductor layer.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: February 6, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Yun-Chi Wu, Tsung-Yu Yang, Cheng-Bo Shu, Chien Hung Liu
  • Patent number: 11855201
    Abstract: A semiconductor structure includes a semiconductor substrate, a transistor, a plurality of isolation structures, and a conductive feature. The transistor is over the semiconductor substrate. The isolation structures are over the semiconductor substrate. The isolation structures define a semiconductor ring of the semiconductor substrate surrounding the transistor. The conductive feature extends vertically in the semiconductor substrate and surrounds the transistor and semiconductor ring. The conductive feature has a rounded corner facing the semiconductor ring from a top view.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Ming Pan, Chia-Ta Hsieh, Po-Wei Liu, Yun-Chi Wu
  • Patent number: 11854942
    Abstract: A semiconductor arrangement includes a first dielectric feature passing through a semiconductive layer and a first dielectric layer over a substrate. The semiconductor arrangement includes a conductive feature passing through the semiconductive layer and the first dielectric layer and electrically coupled to the substrate. The conductive feature is adjacent the first dielectric feature and electrically isolated from the semiconductive layer by the first dielectric feature.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Josh Lin, Chung-Jen Huang, Yun-Chi Wu, Tsung-Yu Yang
  • Publication number: 20230387107
    Abstract: A method includes: etching a trench on a surface of a substrate; filling the trench with a dielectric material to form a first isolation region; depositing a patterned mask layer on the substrate, the patterned mask layer comprising an opening exposing the substrate; implanting oxygen into the substrate through the opening to form an implant region; generating a second isolation region from the implant region; and forming a transistor on the substrate. The transistor includes a channel laterally surrounding the second isolation region.
    Type: Application
    Filed: May 26, 2022
    Publication date: November 30, 2023
    Inventors: YUAN-CHENG YANG, YUN-CHI WU, TSU-HSIU PERNG, SHIH-JUNG TU, CHENG-BO SHU, CHIA-CHEN CHANG
  • Patent number: 11798836
    Abstract: A semiconductor isolation structure includes a silicon-on-insulator wafer, a first deep trench isolation structure and a second deep trench isolation structure. The silicon-on-insulator wafer includes a semiconductor substrate, a buried insulation layer disposed on the semiconductor substrate, and a semiconductor layer disposed on the buried insulation layer. The semiconductor layer has a functional region. The first deep trench isolation structure penetrates the semiconductor layer and the buried insulation layer, and surrounds the functional region. The second deep trench isolation structure penetrates semiconductor layer and the buried insulation layer, and surrounds the first deep trench isolation structure.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: October 24, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Tsung-Yu Yang, Po-Wei Liu, Yun-Chi Wu, Yu-Wen Tseng, Chia-Ta Hsieh, Ping-Cheng Li, Tsung-Hua Yang, Yu-Chun Chang
  • Publication number: 20230320089
    Abstract: Various embodiments of the present application are directed towards a method to integrate NVM devices with a logic or BCD device. In some embodiments, an isolation structure is formed in a semiconductor substrate. The isolation structure demarcates a memory region of the semiconductor substrate, and further demarcates a peripheral region of the semiconductor substrate. The peripheral region may, for example, correspond to BCD device or a logic device. A doped well is formed in the peripheral region. A dielectric seal layer is formed covering the memory and peripheral regions, and further covering the doped well. The dielectric seal layer is removed from the memory region, but not the peripheral region. A memory cell structure is formed on the memory region using a thermal oxidation process. The dielectric seal layer is removed from the peripheral region, and a peripheral device structure including a gate electrode is formed on the peripheral region.
    Type: Application
    Filed: June 2, 2023
    Publication date: October 5, 2023
    Inventors: Cheng-Bo Shu, Chung-Jen Huang, Yun-Chi Wu
  • Publication number: 20230299196
    Abstract: In some embodiments, the present disclosure relates to an integrated chip that includes a source region and a drain region arranged over and/or within a substrate. Further, a shallow trench isolation (STI) structure is arranged within the substrate and between the source and drain regions. A gate electrode is arranged over the substrate, over the STI structure, and between the source and drain regions. A portion of the gate electrode extends into the STI structure such that a bottommost surface of the portion of the gate electrode is arranged between a topmost surface of the STI structure and a bottommost surface of the STI structure.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Inventors: Yuan-Cheng Yang, Yun-Chi Wu, Shih-Jung Tu
  • Publication number: 20230282742
    Abstract: An integrated circuit structure includes a semiconductor substrate, a first source/drain feature, a second source/drain feature, a gate dielectric layer, a gate electrode, a field plate electrode, and a dielectric layer. The semiconductor substrate has a well region and a drift region therein. The first source/drain feature is in the well region. The second source/drain feature is in the semiconductor substrate. The drift region is between the well region and the second source/drain feature. The gate dielectric layer is over the well region and the drift region. The gate electrode is over the gate dielectric layer and vertically overlapping the well region. The field plate electrode is over the gate dielectric layer and vertically overlapping the drift region. The dielectric layer is between the gate electrode and the field plate electrode. A top surface of the gate electrode is free of the dielectric layer.
    Type: Application
    Filed: May 4, 2023
    Publication date: September 7, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Cheng-Bo SHU, Yun-Chi WU
  • Patent number: 11711917
    Abstract: Various embodiments of the present application are directed towards a method to integrate NVM devices with a logic or BCD device. In some embodiments, an isolation structure is formed in a semiconductor substrate. The isolation structure demarcates a memory region of the semiconductor substrate, and further demarcates a peripheral region of the semiconductor substrate. The peripheral region may, for example, correspond to BCD device or a logic device. A doped well is formed in the peripheral region. A dielectric seal layer is formed covering the memory and peripheral regions, and further covering the doped well. The dielectric seal layer is removed from the memory region, but not the peripheral region. A memory cell structure is formed on the memory region using a thermal oxidation process. The dielectric seal layer is removed from the peripheral region, and a peripheral device structure including a gate electrode is formed on the peripheral region.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: July 25, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng-Bo Shu, Chung-Jen Huang, Yun-Chi Wu
  • Patent number: 11705515
    Abstract: In some embodiments, the present disclosure relates to an integrated chip that includes a source region and a drain region arranged over and/or within a substrate. Further, a shallow trench isolation (STI) structure is arranged within the substrate and between the source and drain regions. A gate electrode is arranged over the substrate, over the STI structure, and between the source and drain regions. A portion of the gate electrode extends into the STI structure such that a bottommost surface of the portion of the gate electrode is arranged between a topmost surface of the STI structure and a bottommost surface of the STI structure.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: July 18, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yuan-Cheng Yang, Yun-Chi Wu, Shih-Jung Tu
  • Patent number: 11688805
    Abstract: A method for forming an integrated circuit structure is provided. The method includes forming a gate dielectric layer over a semiconductor substrate; depositing a first gate electrode layer over the gate dielectric layer; etching the first gate electrode layer to form a gate electrode over the gate dielectric layer; forming a drift region in the semiconductor substrate; depositing a dielectric layer over the gate dielectric layer and the gate electrode, in which the dielectric layer has a first portion alongside a first sidewall of the gate electrode; depositing a second gate electrode layer over the dielectric layer; etching the second gate electrode layer to form a field plate electrode alongside the first portion of the dielectric layer; and forming source/drain features in the semiconductor substrate.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: June 27, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Cheng-Bo Shu, Yun-Chi Wu
  • Publication number: 20230187499
    Abstract: A method of forming a semiconductor arrangement includes forming a gate dielectric layer over a semiconductor layer. A gate electrode layer is formed over the gate dielectric layer. A first gate mask is formed over the gate electrode layer. The gate electrode layer is etched using the first gate mask as an etch template to form a first gate electrode. A first dopant is implanted into the semiconductor layer using the first gate mask and the first gate electrode as an implantation template to form a first doped region in the semiconductor layer.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 15, 2023
    Inventors: Yun-Chi WU, Tsung-Yu YANG, Cheng-Bo SHU, Chien Hung LIU
  • Patent number: 11676850
    Abstract: A semiconductor device and method of manufacturing the same are provided. The semiconductor device includes a substrate and a first isolation structure which has a first corner. The semiconductor device also includes a first well region with a first conductive type. The semiconductor device includes further includes a gate structure over the first well region and covers a portion of the first corner of the first isolation structure. In addition, the semiconductor device includes a first doped region and a second doped region disposed on two opposites of the gate structure. Each of the first doped region and the second doped region has the first conductive type. The semiconductor device also includes a first counter-doped region in the first well region with a second conductive type different from the first conductive type. The first counter-doped region covers the first corner of the first isolation structure.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: June 13, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chia-Chen Chang, Yuan-Cheng Yang, Yun-Chi Wu
  • Publication number: 20230109273
    Abstract: Some embodiments relate to an integrated chip that includes a first source/drain region and a second source/drain region disposed in a substrate. A plane that is substantially perpendicular to an upper surface of the substrate traverses the first source/drain region and the second source/drain region. Agate electrode extends over a channel region in the substrate between the first source/drain region and the second source/drain region. The gate electrode is separated from the channel region by way of a charge trapping dielectric structure. The charge trapping dielectric structure includes a tunnel dielectric layer, a charge trapping dielectric layer over the tunnel dielectric layer, and a blocking dielectric layer over the charge trapping dielectric layer. The channel region has a channel width measured perpendicularly to the plane, and the tunnel dielectric layer has different thicknesses at different respective points along the channel width.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 6, 2023
    Inventors: Jui-Yu Pan, Cheng-Bo Shu, Chung-Jen Huang, Jing-Ru Lin, Tsung-Yu Yang, Yun-Chi Wu, Yueh-Chieh Chu
  • Publication number: 20230040514
    Abstract: A method for making a semiconductor device includes forming a ROX layer on a substrate and a patterned silicon oxynitride layer on the patterned ROX layer; conformally forming a dielectric oxide layer to cover the substrate, the patterned silicon oxynitride layer, and the patterned ROX layer; and fully oxidizing the patterned silicon oxynitride layer to form a fully oxidized gate oxide layer on the substrate.
    Type: Application
    Filed: October 19, 2022
    Publication date: February 9, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Tsu-Hsiu PERNG, Yun-Chi WU, Chia-Chen CHANG, Cheng-Bo SHU, Jyun-Guan JHOU, Pei-Lun WANG
  • Patent number: 11575008
    Abstract: A method of forming a semiconductor arrangement includes forming a gate dielectric layer over a semiconductor layer. A gate electrode layer is formed over the gate dielectric layer. A first gate mask is formed over the gate electrode layer. The gate electrode layer is etched using the first gate mask as an etch template to form a first gate electrode. A first dopant is implanted into the semiconductor layer using the first gate mask and the first gate electrode as an implantation template to form a first doped region in the semiconductor layer.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: February 7, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Yun-Chi Wu, Tsung-Yu Yang, Cheng-Bo Shu, Chien Hung Liu
  • Patent number: 11574918
    Abstract: A non-volatile memory (NVM) cell includes a semiconductor wire including a select gate portion and a control gate portion. The NVM cell includes a select transistor formed with the select gate portion and a control transistor formed with the control gate portion. The select transistor includes a gate dielectric layer disposed around the select gate portion and a select gate electrode disposed on the gate dielectric layer. The control transistor includes a stacked dielectric layer disposed around the control gate portion, a gate dielectric layer disposed on the stacked dielectric layer and a control gate electrode disposed on the gate dielectric layer. The stacked dielectric layer includes a first silicon oxide layer disposed on the control gate portion, a charge trapping layer disposed on the first silicon oxide, and a second silicon oxide layer disposed on the charge trapping layer.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: February 7, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yun-Chi Wu, Yu-Wen Tseng