Patents by Inventor Anthony I. Chou

Anthony I. Chou 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: 20240105769
    Abstract: A semiconductor device includes a substrate having a first region and a second region separated from the first region by distance to define a space therebetween. A first semiconductor device including a gate dielectric is on the first region. The first semiconductor device can implement a FinFet-based input/output (I/O) device in the first region. A second semiconductor device excluding a gate dielectric is on the second region. The second semiconductor device can implement a nanosheet-based logic device in the second region.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 28, 2024
    Inventors: Shahab Siddiqui, Ruqiang Bao, Charlotte DeWan Adams, Curtis S. Durfee, Anthony I. Chou, Barry Paul Linder, Ravikumar Ramachandran, Dechao Guo
  • Publication number: 20240072041
    Abstract: Techniques for co-integrating gate-all-around nanosheet devices having bottom dielectric isolation with an ideal vertical P-N-P diode on a common substrate are provided. In one aspect, a semiconductor structure includes: a diode in a first region of a bulk substrate, where the diode includes P-N-P vertical implanted layers present in the bulk substrate, and a single source/drain region epitaxial material disposed on the P-N-P vertical implanted layers; and a nanosheet device with a bottom dielectric isolation layer in a second region of the bulk substrate. The nanosheet device can include nanosheet channels and gates that surround a portion of each of the nanosheet channels in a gate-all-around configuration. A method of fabricating the present semiconductor structures is also provided.
    Type: Application
    Filed: August 24, 2022
    Publication date: February 29, 2024
    Inventors: Andrew Gaul, Anthony I. Chou, Julien Frougier, Andrew M. Greene
  • Patent number: 11894361
    Abstract: A semiconductor device is provided. The semiconductor device includes a first field effect device on a first region of a substrate, wherein a first gate structure and an electrostatic discharge device on a second region of the substrate, wherein a second gate structure for the electrostatic discharge device is separated from the substrate by the bottom dielectric layer, and a second source/drain for the electrostatic discharge device is in electrical contact with the substrate, wherein the second source/drain is doped with a second dopant type.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: February 6, 2024
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Julien Frougier, Sagarika Mukesh, Anthony I. Chou, Andrew M. Greene, Ruilong Xie, Veeraraghavan S. Basker, Junli Wang, Effendi Leobandung, Jingyun Zhang, Nicolas Loubet
  • Publication number: 20240006467
    Abstract: A semiconductor structure that includes a nanosheet logic device (i.e., nFET and/or pFET) co-integrated with a precision middle-of-the-line (MOL) resistor is provided. The precision MOL resistor is located over a nanosheet device and is present in at least one resistor device region of a semiconductor substrate. The at least one resistor device region can include a first resistor device region in which the MOL resistor is optimized for low capacitance and/or a second resistor device region in which the MOL resistor is optimized for low self-heating.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 4, 2024
    Inventors: Julien Frougier, Sagarika Mukesh, Anthony I. Chou, Andrew M. Greene, Ruilong Xie, Nicolas Jean Loubet, Veeraraghavan S. Basker, Junli Wang, Effendi Leobandung, Jingyun Zhang
  • Publication number: 20230411241
    Abstract: A heat pipe is provided as an electrically inactive structure to dissipate heat that is generated by vertically stacked field effect transistors (FETs). The heat pipe is present in an electrically inactive device area which is located adjacent to an electrically active device area that includes the vertically stacked FETs.
    Type: Application
    Filed: June 15, 2022
    Publication date: December 21, 2023
    Inventors: Terence Hook, Brent A. Anderson, Anthony I. Chou
  • Publication number: 20230411386
    Abstract: A microelectronic structure including a plurality of lower transistors and a plurality of upper transistors, where channels of the upper transistors are staggered from channels of the lower transistors. A lower dielectric pillar located beneath an upper transistor, where the dielectric pillar separates bottom transistors.
    Type: Application
    Filed: June 20, 2022
    Publication date: December 21, 2023
    Inventors: Ruilong Xie, Albert M. Chu, Junli Wang, Brent A. Anderson, Anthony I. Chou, Dechao Guo
  • Publication number: 20230378258
    Abstract: A method including forming an oxide layer on a first substrate and forming a second substrate on the oxide layer. Doping a first section of the second substrate while not doping a second section of the second substrate. Forming a first nano device on the second section of the second substrate and forming a second nano device on first section of the second substrate. Flipping the first substrate over to allow for backside processing of the substrate and forming at least one backside contact connected to the first nano device while backside contacts are not formed or connected to the second nano device.
    Type: Application
    Filed: May 17, 2022
    Publication date: November 23, 2023
    Inventors: Ruilong Xie, Anthony I. Chou, Brent A. Anderson, John Christopher Arnold, Junli Wang, Kai Zhao, Terence Hook, Julien Frougier, Xuefeng Liu
  • Publication number: 20230335585
    Abstract: A semiconductor device including a first pair of stacked transistors having a first upper transistor and a first lower transistor, a second pair of stacked transistors comprising a second upper transistor and a second lower transistor, and a first cross-connection between the first upper transistor and the second lower transistor.
    Type: Application
    Filed: April 17, 2022
    Publication date: October 19, 2023
    Inventors: Ruilong Xie, Albert M. Chu, Albert M. Young, Anthony I. Chou, Junli Wang, Brent A. Anderson
  • Publication number: 20230178539
    Abstract: A semiconductor device is provided. The semiconductor device includes a first field effect device on a first region of a substrate, wherein a first gate structure and an electrostatic discharge device on a second region of the substrate, wherein a second gate structure for the electrostatic discharge device is separated from the substrate by the bottom dielectric layer, and a second source/drain for the electrostatic discharge device is in electrical contact with the substrate, wherein the second source/drain is doped with a second dopant type.
    Type: Application
    Filed: December 8, 2021
    Publication date: June 8, 2023
    Inventors: Julien Frougier, Sagarika Mukesh, Anthony I. Chou, Andrew M. Greene, Ruilong Xie, Veeraraghavan S. Basker, Junli Wang, Effendi Leobandung, Jingyun Zhang, Nicolas Loubet
  • Patent number: 11101357
    Abstract: An asymmetric high-k dielectric for reduced gate induced drain leakage in high-k MOSFETs and methods of manufacture are disclosed. The method includes performing an implant process on a high-k dielectric sidewall of a gate structure. The method further includes performing an oxygen annealing process to grow an oxide region on a drain side of the gate structure, while inhibiting oxide growth on a source side of the gate structure adjacent to a source region.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: August 24, 2021
    Assignee: Tessera, Inc.
    Inventors: Anthony I. Chou, Arvind Kumar, Chung-Hsun Lin, Shreesh Narasimha, Claude Ortolland, Jonathan T. Shaw
  • Publication number: 20200365702
    Abstract: An asymmetric high-k dielectric for reduced gate induced drain leakage in high-k MOSFETs and methods of manufacture are disclosed. The method includes performing an implant process on a high-k dielectric sidewall of a gate structure. The method further includes performing an oxygen annealing process to grow an oxide region on a drain side of the gate structure, while inhibiting oxide growth on a source side of the gate structure adjacent to a source region.
    Type: Application
    Filed: August 3, 2020
    Publication date: November 19, 2020
    Inventors: Anthony I. Chou, Arvind Kumar, Chung-Hsun Lin, Shreesh Narasimha, Claude Ortolland, Jonathan T. Shaw
  • Patent number: 10734492
    Abstract: An asymmetric high-k dielectric for reduced gate induced drain leakage in high-k MOSFETs and methods of manufacture are disclosed. The method includes performing an implant process on a high-k dielectric sidewall of a gate structure. The method further includes performing an oxygen annealing process to grow an oxide region on a drain side of the gate structure, while inhibiting oxide growth on a source side of the gate structure adjacent to a source region.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: August 4, 2020
    Assignee: Tessera, Inc.
    Inventors: Anthony I. Chou, Arvind Kumar, Chung-Hsun Lin, Shreesh Narasimha, Claude Ortolland, Jonathan T. Shaw
  • Patent number: 10580686
    Abstract: A metal-oxide-semiconductor field-effect transistor (MOSFET) with integrated passive structures and methods of manufacturing the same is disclosed. The method includes forming a stacked structure in an active region and at least one shallow trench isolation (STI) structure adjacent to the stacked structure. The method further includes forming a semiconductor layer directly in contact with the at least one STI structure and the stacked structure. The method further includes patterning the semiconductor layer and the stacked structure to form an active device in the active region and a passive structure of the semiconductor layer directly on the at least one STI structure.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: March 3, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Anthony I. Chou, Arvind Kumar, Renee T. Mo, Shreesh Narasimha
  • Publication number: 20200027779
    Abstract: A metal-oxide-semiconductor field-effect transistor (MOSFET) with integrated passive structures and methods of manufacturing the same is disclosed. The method includes forming a stacked structure in an active region and at least one shallow trench isolation (STI) structure adjacent to the stacked structure. The method further includes forming a semiconductor layer directly in contact with the at least one STI structure and the stacked structure. The method further includes patterning the semiconductor layer and the stacked structure to form an active device in the active region and a passive structure of the semiconductor layer directly on the at least one STI structure.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 23, 2020
    Inventors: Anthony I. Chou, Arvind Kumar, Renee T. Mo, Shreesh Narasimha
  • Publication number: 20190296120
    Abstract: An asymmetric high-k dielectric for reduced gate induced drain leakage in high-k MOSFETs and methods of manufacture are disclosed. The method includes performing an implant process on a high-k dielectric sidewall of a gate structure. The method further includes performing an oxygen annealing process to grow an oxide region on a drain side of the gate structure, while inhibiting oxide growth on a source side of the gate structure adjacent to a source region.
    Type: Application
    Filed: June 13, 2019
    Publication date: September 26, 2019
    Inventors: Anthony I. CHOU, Arvind Kumar, Chung-Hsun Lin, Shreesh Narasimha, Claude Ortolland, Jonathan T. Shaw
  • Patent number: 10381452
    Abstract: An asymmetric high-k dielectric for reduced gate induced drain leakage in high-k MOSFETs and methods of manufacture are disclosed. The method includes performing an implant process on a high-k dielectric sidewall of a gate structure. The method further includes performing an oxygen annealing process to grow an oxide region on a drain side of the gate structure, while inhibiting oxide growth on a source side of the gate structure adjacent to a source region.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: August 13, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Anthony I. Chou, Arvind Kumar, Chung-Hsun Lin, Shreesh Narasimha, Claude Ortolland, Jonathan T. Shaw
  • Patent number: 10374048
    Abstract: An asymmetric high-k dielectric for reduced gate induced drain leakage in high-k MOSFETs and methods of manufacture are disclosed. The method includes performing an implant process on a high-k dielectric sidewall of a gate structure. The method further includes performing an oxygen annealing process to grow an oxide region on a drain side of the gate structure, while inhibiting oxide growth on a source side of the gate structure adjacent to a source region.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: August 6, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Anthony I. Chou, Arvind Kumar, Chung-Hsun Lin, Shreesh Narasimha, Claude Ortolland, Jonathan T. Shaw
  • Patent number: 10367072
    Abstract: An asymmetric high-k dielectric for reduced gate induced drain leakage in high-k MOSFETs and methods of manufacture are disclosed. The method includes performing an implant process on a high-k dielectric sidewall of a gate structure. The method further includes performing an oxygen annealing process to grow an oxide region on a drain side of the gate structure, while inhibiting oxide growth on a source side of the gate structure adjacent to a source region.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: July 30, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Anthony I. Chou, Arvind Kumar, Chung-Hsun Lin, Shreesh Narasimha, Claude Ortolland, Jonathan T. Shaw
  • Publication number: 20190181037
    Abstract: A metal-oxide-semiconductor field-effect transistor (MOSFET) with integrated passive structures and methods of manufacturing the same is disclosed. The method includes forming a stacked structure in an active region and at least one shallow trench isolation (STI) structure adjacent to the stacked structure. The method further includes forming a semiconductor layer directly in contact with the at least one STI structure and the stacked structure. The method further includes patterning the semiconductor layer and the stacked structure to form an active device in the active region and a passive structure of the semiconductor layer directly on the at least one STI structure.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 13, 2019
    Inventors: Anthony I. Chou, Arvind Kumar, Renee T. Mo, Shreesh Narasimha
  • Patent number: 10256152
    Abstract: One illustrative method disclosed herein includes, among other things, forming a conformal piezoelectric material liner layer on at least the opposing lateral sidewalls of a fin, forming a recessed layer of insulating material on opposite sides of the fin and on the conformal piezoelectric material liner layer, removing portions of the conformal piezoelectric material liner layer positioned above the recessed layer of insulating material to thereby expose a portion of the fin above the recessed upper surface, and forming a gate structure above the recessed layer of insulating material and around a portion of the fin positioned above the recessed upper surface.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: April 9, 2019
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Qun Gao, Naved Siddiqui, Anthony I. Chou