Patents by Inventor Kam-Tou SIO

Kam-Tou SIO 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).

  • Patent number: 11942413
    Abstract: A semiconductor device includes a substrate having a first side and a second side. The semiconductor device on the first side includes: an active region that extends along a first lateral direction and comprises a first sub-region and a second sub-region; a first gate structure that extends along a second lateral direction and is disposed over the active region, with the first and second sub-regions disposed on opposite sides of the first gate structure, wherein the second lateral direction is perpendicular to the first lateral direction; and a first interconnecting structure electrically coupled to the first gate structure. The semiconductor device on the second side includes a second interconnecting structure that is electrically coupled to the first and second sub-regions and configured to provide a power supply. The active region, the first gate structure, the first interconnecting structure, and the second interconnecting structure are collectively configured as a decoupling capacitor.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: March 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kam-Tou Sio, Jiann-Tyng Tzeng
  • Publication number: 20240096867
    Abstract: A semiconductor structure is provided and includes a first gate structure, a second gate structure, and at least one local interconnect that extend continuously across a non-active region from a first active region to a second active region. The semiconductor structure further includes a first separation spacer disposed on the first gate structure and first vias on the first gate structure. The first vias are arranged on opposite sides of the first separation spacer are isolated from each other and apart from the first separation spacer by different distances.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 21, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Charles Chew-Yuen YOUNG, Chih-Liang CHEN, Chih-Ming LAI, Jiann-Tyng TZENG, Shun-Li CHEN, Kam-Tou SIO, Shih-Wei PENG, Chun-Kuang CHEN, Ru-Gun LIU
  • Patent number: 11935825
    Abstract: An IC structure includes a fin structure, a contact overlying the fin structure along a first direction, and an isolation layer between the contact and the fin structure. The isolation layer is adjacent to a portion of the contact along a second direction perpendicular to the first direction.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: March 19, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Kam-Tou Sio, Cheng-Chi Chuang, Chih-Ming Lai, Jiann-Tyng Tzeng, Wei-Cheng Lin, Lipen Yuan
  • Patent number: 11916070
    Abstract: Disclosed are semiconductor devices including a substrate, a first transistor formed over a first portion of the substrate, wherein the first transistor comprises a first nanosheet stack including N nanosheets and a second transistor over a second portion of the substrate, wherein the second transistor comprises a second nanosheet stack including M nanosheets, wherein N is different from M in which the first and second nanosheet stacks are formed on first and second substrate regions that are vertically offset from one another.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: February 27, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Te-Hsin Chiu, Kam-Tou Sio, Shang-Wei Fang, Wei-Cheng Lin, Jiann-Tyng Tzeng
  • Patent number: 11908538
    Abstract: Various memory cell structures and power routings for one or more cells in an integrated circuit are disclosed. In one embodiment, different metal layers are used for power stripes that are operable to connect to voltage sources to supply different voltage signals, which allows some or all of the power stripes to have a larger width. Additionally or alternatively, fewer metal stripes are used for signals in a metal layer to allow the power stripe in that metal layer to have a larger width. The larger width(s) in turn increases the total area of the power stripe(s) to reduce the IR drop across the power stripe. The various power routings include connecting metal pillars in one metal layer to a power stripe in another metal layer, and extending a metal stripe in one metal layer to provide additional connections to a power stripe in another metal layer.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: February 20, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shih-Wei Peng, Jiann-Tyng Tzeng, Kam-Tou Sio
  • Patent number: 11909396
    Abstract: An integrated circuit is provided, including a first latch circuit, a second latch circuit, and a clock circuit. The first latch circuit transmits multiple data signals to the second latch circuit through multiple first conductive lines disposed on a front side of the integrated circuit. The clock circuit transmits a first clock signal and a second clock signal to the first latch circuit and the second latch circuit through multiple second conductive lines disposed on a backside, opposite of the front side, of the integrated circuit.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: February 20, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Kam-Tou Sio, Jiun-Wei Lu
  • Publication number: 20240055029
    Abstract: Various memory cell structures and power routings for one or more cells in an integrated circuit are disclosed. In one embodiment, different metal layers are used for power stripes that are operable to connect to voltage sources to supply different voltage signals, which allows some or all of the power stripes to have a larger width. Additionally or alternatively, fewer metal stripes are used for signals in a metal layer to allow the power stripe in that metal layer to have a larger width. The larger width(s) in turn increases the total area of the power stripe(s) to reduce the IR drop across the power stripe. The various power routings include connecting metal pillars in one metal layer to a power stripe in another metal layer, and extending a metal stripe in one metal layer to provide additional connections to a power stripe in another metal layer.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 15, 2024
    Inventors: Shih-Wei PENG, Jiann-Tyng TZENG, Kam-Tou SIO
  • Publication number: 20240055348
    Abstract: A monolithic three-dimensional (3D) integrated circuit (IC) device includes a lower tier including a lower tier cell and an upper tier arranged over the lower tier. The upper tier has a first upper tier cell and a second upper tier cell separated by a predetermined lateral space. A monolithic inter-tier via (MIV) extends from the lower tier through the predetermined lateral space, and the MIV has a first end electrically connected to the lower tier cell and a second end electrically connected to the first upper tier cell.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 15, 2024
    Inventors: Shih-Wei Peng, Jiann-Tyng Tzeng, Kam-Tou Sio, Wei-Cheng Lin, Wei-An Lai
  • Patent number: 11893333
    Abstract: A method of generating an IC layout diagram includes abutting a first row of cells with a second row of cells along a border, the first row including first and second active sheets, the second row including third and fourth active sheets, the active sheets extending along a row direction and having width values. The active sheets are overlapped with first through fourth back-side via regions, the first active sheet width value is greater than the third active sheet width value, a first back-side via region width values is greater than a third back-side via region width value, and a value of a distance from the first active sheet to the border is less than a minimum spacing rule for metal-like defined regions. At least one of abutting the first row with the second row or overlapping the active sheets with the back-side via regions is performed by a processor.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: February 6, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shang-Wei Fang, Kam-Tou Sio, Wei-Cheng Lin, Jiann-Tyng Tzeng, Lee-Chung Lu, Yi-Kan Cheng, Chung-Hsing Wang
  • Publication number: 20240021516
    Abstract: An integrated circuit includes a substrate; and a first conductive line extending parallel to a top surface of the substrate. The first conductive line is a first distance from the substrate. The integrated circuit further includes a second conductive line extending parallel to the top surface of the substrate. The second conductive line is a second distance from the substrate. The integrated circuit further includes a third conductive line extending parallel to the top surface of the substrate. The third conductive line is a third distance from the substrate. The integrated circuit further includes a supervia directly connected to the first conductive line and the third conductive line, wherein a first angle between a sidewall of a lower portion of the supervia and the substrate is different from a second angle between a sidewall of an upper portion of the supervia and the substrate.
    Type: Application
    Filed: July 21, 2023
    Publication date: January 18, 2024
    Inventors: Kam-Tou SIO, Wei-Cheng LIN, Jiann-Tyng TZENG
  • Publication number: 20240014281
    Abstract: Provided are a semiconductor device and a method of forming the same. The semiconductor device includes: at least one gate structure having a first side and a second side opposite to each other; a first source/drain (S/D) feature disposed at the first side of the at least one gate structure; a second S/D feature disposed at the second side of the at least one gate structure; a first metal-to-drain/source (MD) contact disposed on the first S/D feature; and a second MD contact disposed on the second S/D feature, wherein a contact area between the first MD contact and the first S/D feature is greater than a contact area between the second MD contact and the second S/D feature.
    Type: Application
    Filed: July 11, 2022
    Publication date: January 11, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Sheng-Feng Huang, Kam-Tou Sio, Jiann-Tyng Tzeng, Shang-Wei Fang, Chun-Yen Lin
  • Publication number: 20240006406
    Abstract: An integrated circuit structure includes: an integrated circuit structure includes: a first plurality of cell rows extending in a first direction, and a second plurality of cell rows extending in the first direction. Each of the first plurality of cell rows has a first row height and comprises a plurality of first cells disposed therein. Each of the second plurality of cell rows has a second row height different from the first row height and comprises a plurality of second cells disposed therein. The plurality of first cells comprises a first plurality of active regions each of which continuously extends across the plurality of first cells in the first direction. The plurality of second cells comprises a second plurality of active regions each of which continuously extends across the plurality of second cells in the first direction. At least one active region of the first and second pluralities of active regions has a width varying along the first direction.
    Type: Application
    Filed: August 10, 2023
    Publication date: January 4, 2024
    Inventors: Kam-Tou SIO, Jiann-Tyng TZENG, Chung-Hsing WANG, Yi-Kan CHENG
  • Patent number: 11862623
    Abstract: A method is provided, including the following operations: arranging a first gate structure extending continuously above a first active region and a second active region of a substrate; arranging a first separation spacer disposed on the first gate structure to isolate an electronic signal transmitted through a first gate via and a second gate via that are disposed on the first gate structure, wherein the first gate via and the second gate via are arranged above the first active region and the second active region respectively; and arranging a first local interconnect between the first active region and the second active region, wherein the first local interconnect is electrically coupled to a first contact disposed on the first active region and a second contact disposed on the second active region.
    Type: Grant
    Filed: February 10, 2023
    Date of Patent: January 2, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Charles Chew-Yuen Young, Chih-Liang Chen, Chih-Ming Lai, Jiann-Tyng Tzeng, Shun-Li Chen, Kam-Tou Sio, Shih-Wei Peng, Chun-Kuang Chen, Ru-Gun Liu
  • Publication number: 20230411389
    Abstract: Disclosed are semiconductor devices including a substrate, a first transistor formed over a first portion of the substrate, wherein the first transistor comprises a first nanosheet stack including N nanosheets and a second transistor over a second portion of the substrate, wherein the second transistor comprises a second nanosheet stack including M nanosheets, wherein N is different from M in which the first and second nanosheet stacks are formed on first and second substrate regions that are vertically offset from one another.
    Type: Application
    Filed: August 10, 2023
    Publication date: December 21, 2023
    Inventors: Te-Hsin CHIU, Kam-Tou SIO, Shang-Wei FANG, Wei-Cheng LIN, Jiann-Tyng TZENG
  • Publication number: 20230401372
    Abstract: An integrated circuit (IC) includes first through fourth nano-sheet structures extending in a first direction and having respective first through fourth widths along a second direction perpendicular to the first direction, and first through fourth via structures electrically connected to corresponding ones of the first through fourth nano-sheet structures. The second width has a value greater than that of the third width. A width of the second via structure along the second direction has a value greater than that of a width of the third via structure along the second direction. The second and third nano-sheet structures are positioned between the first and fourth nano-sheet structures. The second and third via structures are configured to electrically connect the second and third nano-sheet structures to a first portion of a back-side power distribution structure configured to carry one of a power supply voltage or a reference voltage.
    Type: Application
    Filed: August 10, 2023
    Publication date: December 14, 2023
    Inventors: Shang-Wei FANG, Kam-Tou SIO, Wei-Cheng LIN, Jiann-Tyng TZENG, Lee-Chung LU, Yi-Kan CHENG, Chung-Hsing WANG
  • Publication number: 20230401373
    Abstract: A method of generating a layout diagram for an integrated circuit includes arranging a plurality of cells in the layout diagram, wherein each cell of the plurality of cells comprises a first power rail along a first boundary and a second power rail along a second boundary, and the first boundary is spaced from the second boundary in a first direction. The method further includes placing a plurality of cell pins over a plurality of selected via placement points in a first cell of the plurality of cells in accordance with a design rule, wherein a first cell pin of the plurality of cell pins has a first end spaced from both the first power rail and the second power rail in the first direction.
    Type: Application
    Filed: July 31, 2023
    Publication date: December 14, 2023
    Inventors: Kam-Tou SIO, Jiann-Tyng TZENG
  • Patent number: 11842967
    Abstract: The present disclosure describes a semiconductor structure having a power distribution network including first and second conductive lines. A substrate includes a first surface that is in contact with the power distribution network. A plurality of backside vias are in the substrate and electrically coupled to the first conductive line. A via rail is on a second surface of the substrate that opposes the first surface. A first interlayer dielectric is on the via rail and on the substrate. A second interlayer dielectric is on the first interlayer dielectric. A third interlayer dielectric is on the second interlayer dielectric. First and top interconnect layers are in the second and third interlayer dielectrics, respectively. Deep vias are in the interlayer dielectric and electrically coupled to the via rail. The deep vias are also connected to the first and top interconnect layers. A power supply in/out layer is on the third interlayer dielectric and in contact with the top interconnect layer.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: December 12, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Kam-Tou Sio, Cheng-Chi Chuang, Chia-Tien Wu, Jiann-Tyng Tzeng, Shih-Wei Peng, Wei-Cheng Lin
  • Publication number: 20230389259
    Abstract: Devices and methods are described herein that obviate the need for a read assist circuit. In one example, a semiconductor device includes a source region and a drain region formed above a substrate. A buried insulator (BI) layer is formed beneath either the source region or the drain region. A first nano-sheet is formed (i) horizontally between the source region and the drain region and (ii) vertically above the BI layer. The BI layer reduces current flow through the first nano-sheet.
    Type: Application
    Filed: August 8, 2023
    Publication date: November 30, 2023
    Inventors: Kam-Tou Sio, Yi-Hsun Chiu
  • Publication number: 20230387035
    Abstract: The present disclosure describes a semiconductor structure having a power distribution network including first and second conductive lines. A substrate includes a first surface that is in contact with the power distribution network. A plurality of backside vias are in the substrate and electrically coupled to the first conductive line. A via rail is on a second surface of the substrate that opposes the first surface. A first interlayer dielectric is on the via rail and on the substrate. A second interlayer dielectric is on the first interlayer dielectric. A third interlayer dielectric is on the second interlayer dielectric. First and top interconnect layers are in the second and third interlayer dielectrics, respectively. Deep vias are in the interlayer dielectric and electrically coupled to the via rail. The deep vias are also connected to the first and top interconnect layers. A power supply in/out layer is on the third interlayer dielectric and in contact with the top interconnect layer.
    Type: Application
    Filed: August 10, 2023
    Publication date: November 30, 2023
    Inventors: Kam-Tou SIO, Cheng-Chi Chuang, Chia-Tien Wu, Jiann-Tyng Tzeng, Shih-Wei Peng, Wei-Cheng Lin
  • Publication number: 20230335545
    Abstract: A method (of manufacturing conductors for a semiconductor device) includes: forming active regions (ARs) in a first layer, the ARs extending in a first direction; forming a conductive layer over the first layer; forming first, second and third caps over the conductive layer, the caps extending in a second direction perpendicular to the first direction, and the caps having corresponding first, second and third sensitivities that are different from each other; removing portions of the conductive layer not under the first, second or third caps resulting in gate electrodes under the first caps and first and second drain/source (D/S) electrodes correspondingly under the second or third caps; and selectively removing portions of corresponding ones of the first D/S electrodes and the second D/S electrodes.
    Type: Application
    Filed: June 26, 2023
    Publication date: October 19, 2023
    Inventors: Kam-Tou SIO, Chih-Liang CHEN, Hui-Ting YANG, Shun Li CHEN, Ko-Bin KAO, Chih-Ming LAI, Ru-Gun LIU, Charles Chew-Yuen YOUNG