Patents by Inventor Neha Nayyar

Neha Nayyar 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: 20230395675
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to a cross couple design for high density standard cells and methods of manufacture. The structure includes a first contact connected in a cross couple circuit to at least two gate structures, and a second contact connected to the first contact at a location which is devoid of any via connection.
    Type: Application
    Filed: June 7, 2022
    Publication date: December 7, 2023
    Inventors: James P. MAZZA, Jia ZENG, Xuelian ZHU, Mahbub RASHED, Neha NAYYAR, Collin A. TRANTER
  • Publication number: 20230147981
    Abstract: A planar transistor device is disclosed including a gate structure positioned above a semiconductor substrate, the semiconductor substrate comprising a substantially planar upper surface, a channel region, a source region, a drain region, and at least one layer of a two-dimensional (2D) material that is positioned in at least one of the source region, the drain region or the channel region, wherein the layer of 2D material has a substantially planar upper surface, a substantially planar bottom surface and a substantially uniform vertical thickness across an entire length of the layer of 2D material in the gate length direction and across an entire width of the layer of 2D material in the gate width direction, wherein the substantially planar upper surface and the substantially planar bottom surface of the layer of 2D material are positioned approximately parallel to a substantially planar surface of the semiconductor substrate.
    Type: Application
    Filed: January 3, 2023
    Publication date: May 11, 2023
    Inventors: David Pritchard, Heng Yang, Hongru Ren, Neha Nayyar, Manjunatha Prabhu, Elizabeth Strehlow, Salvatore Cimino
  • Patent number: 11581430
    Abstract: A planar transistor device is disclosed including a gate structure positioned above a semiconductor substrate, the semiconductor substrate comprising a substantially planar upper surface, a channel region, a source region, a drain region, and at least one layer of a two-dimensional (2D) material that is positioned in at least one of the source region, the drain region or the channel region, wherein the layer of 2D material has a substantially planar upper surface, a substantially planar bottom surface and a substantially uniform vertical thickness across an entire length of the layer of 2D material in the gate length direction and across an entire width of the layer of 2D material in the gate width direction, wherein the substantially planar upper surface and the substantially planar bottom surface of the layer of 2D material are positioned approximately parallel to a substantially planar surface of the semiconductor substrate.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: February 14, 2023
    Assignee: GLOBALFOUNDRIES U.S. Inc.
    Inventors: David Pritchard, Heng Yang, Hongru Ren, Neha Nayyar, Manjunatha Prabhu, Elizabeth Strehlow, Salvatore Cimino
  • Patent number: 11239087
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to devices with slotted active regions and methods of manufacture. The method includes: forming a mandrel on top of a diffusion region comprising a diffusion material; forming a first material over the mandrel and the diffusion region; removing the mandrel to form multiple spacers each having a thickness; depositing a second material over the spacers and the diffusion material; and forming slots in the diffusion region by removing a portion of the second material over the diffusion region and the underlying diffusion material.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: February 1, 2022
    Assignee: GLOBALFOUNDRIES U.S. INC.
    Inventors: Heng Yang, David C. Pritchard, George J. Kluth, Anurag Mittal, Hongru Ren, Manjunatha G. Prabhu, Kai Sun, Neha Nayyar, Lixia Lei
  • Patent number: 11177182
    Abstract: One illustrative vertical transistor device disclosed herein includes a channel region comprising at least one layer of a two-dimensional (2D) material, a bottom source/drain region, a top source/drain region and a gate structure positioned all around at least the at least one layer of a two-dimensional (2D) material.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: November 16, 2021
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Heng Yang, David Pritchard, Kai Sun, Hongru Ren, Neha Nayyar, Manjunatha Prabhu, Elizabeth Strehlow, Salvatore Cimino
  • Patent number: 11094791
    Abstract: One illustrative device disclosed herein includes a bottom source/drain region and a top source/drain region positioned vertically above at least a portion of the bottom source/drain region, wherein each of the bottom source/drain region and the top source/drain region comprise at least one layer of a two-dimensional (2D) material. The device also includes a substantially vertically oriented semiconductor structure positioned vertically between the bottom source/drain region and the top source/drain region and a gate structure positioned all around an outer perimeter of the substantially vertically oriented semiconductor structure for at least a portion of the vertical height of the substantially vertically oriented semiconductor structure.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: August 17, 2021
    Assignee: GLOBALFOUNDRIES U.S. INC.
    Inventors: Heng Yang, David Pritchard, Kai Sun, Hongru Ren, Neha Nayyar, Manjunatha Prabhu, Elizabeth Strehlow, Salvatore Cimino
  • Publication number: 20210242094
    Abstract: One illustrative vertical transistor device disclosed herein includes a channel region comprising at least one layer of a two-dimensional (2D) material, a bottom source/drain region, a top source/drain region and a gate structure positioned all around at least the at least one layer of a two-dimensional (2D) material.
    Type: Application
    Filed: January 30, 2020
    Publication date: August 5, 2021
    Inventors: Heng Yang, David Pritchard, Kai Sun, Hongru Ren, Neha Nayyar, Manjunatha Prabhu, Elizabeth Strehlow, Salvatore Cimino
  • Publication number: 20210242316
    Abstract: One illustrative device disclosed herein includes a bottom source/drain region and a top source/drain region positioned vertically above at least a portion of the bottom source/drain region, wherein each of the bottom source/drain region and the top source/drain region comprise at least one layer of a two-dimensional (2D) material. The device also includes a substantially vertically oriented semiconductor structure positioned vertically between the bottom source/drain region and the top source/drain region and a gate structure positioned all around an outer perimeter of the substantially vertically oriented semiconductor structure for at least a portion of the vertical height of the substantially vertically oriented semiconductor structure.
    Type: Application
    Filed: January 30, 2020
    Publication date: August 5, 2021
    Inventors: Heng Yang, David Pritchard, Kai Sun, Hongru Ren, Neha Nayyar, Manjunatha Prabhu, Elizabeth Strehlow, Salvatore Cimino
  • Publication number: 20210057558
    Abstract: A planar transistor device is disclosed including a gate structure positioned above a semiconductor substrate, the semiconductor substrate comprising a substantially planar upper surface, a channel region, a source region, a drain region, and at least one layer of a two-dimensional (2D) material that is positioned in at least one of the source region, the drain region or the channel region, wherein the layer of 2D material has a substantially planar upper surface, a substantially planar bottom surface and a substantially uniform vertical thickness across an entire length of the layer of 2D material in the gate length direction and across an entire width of the layer of 2D material in the gate width direction, wherein the substantially planar upper surface and the substantially planar bottom surface of the layer of 2D material are positioned approximately parallel to a substantially planar surface of the semiconductor substrate.
    Type: Application
    Filed: August 22, 2019
    Publication date: February 25, 2021
    Inventors: David Pritchard, Heng Yang, Hongru Ren, Neha Nayyar, Manjunatha Prabhu, Elizabeth Strehlow, Salvatore Cimino
  • Patent number: 10691862
    Abstract: The present disclosure relates to methodologies for designing semiconductor structures, and, more particularly, creating a methodology to connect contacts of semiconductor elements to a metal line using marker tabs to reserve space for future connections between the contacts and the metal line, and then reassigning the marker tabs to connections between the contacts and the metal line on different levels of a metal stack formed over the semiconductor elements.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: June 23, 2020
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Neha Nayyar, Daniel J. Dechene, David C. Pritchard, George J. Kluth
  • Publication number: 20200058515
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to devices with slotted active regions and methods of manufacture. The method includes: forming a mandrel on top of a diffusion region comprising a diffusion material; forming a first material over the mandrel and the diffusion region; removing the mandrel to form multiple spacers each having a thickness; depositing a second material over the spacers and the diffusion material; and forming slots in the diffusion region by removing a portion of the second material over the diffusion region and the underlying diffusion material.
    Type: Application
    Filed: October 24, 2019
    Publication date: February 20, 2020
    Inventors: Heng YANG, David C. PRITCHARD, George J. KLUTH, Anurag MITTAL, Hongru REN, Manjunatha G. PRABHU, Kai SUN, Neha NAYYAR, Lixia LEI
  • Patent number: 10566384
    Abstract: Methods of fabricating a flexible dummy fill to increase MTJ density are provided. Embodiments include forming a first oxide layer; forming lower interconnect layers in the first oxide layer; forming a nitride layer over the first oxide layer and the lower interconnect layers; forming a second oxide layer over the nitride layer; forming bottom electrodes through the second oxide layer and the nitride layer contacting a portion of an upper surface of the lower interconnect layers; forming MTJ structures over the bottom electrodes; forming top electrodes over the MTJ structures; and forming upper interconnect layers over one or more of the top electrodes.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: February 18, 2020
    Assignee: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Wanbing Yi, Neha Nayyar, Curtis Chun-I Hsieh, Mahesh Bhatkar, Wenjun Liu, Juan Boon Tan
  • Patent number: 10497576
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to devices with slotted active regions and methods of manufacture. The method includes: forming a mandrel on top of a diffusion region comprising a diffusion material; forming a first material over the mandrel and the diffusion region; removing the mandrel to form multiple spacers each having a thickness; depositing a second material over the spacers and the diffusion material; and forming slots in the diffusion region by removing a portion of the second material over the diffusion region and the underlying diffusion material.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: December 3, 2019
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Heng Yang, David C. Pritchard, George J. Kluth, Anurag Mittal, Hongru Ren, Manjunatha G. Prabhu, Kai Sun, Neha Nayyar, Lixia Lei
  • Publication number: 20190074434
    Abstract: Methods of fabricating a flexible dummy fill to increase MTJ density are provided. Embodiments include forming a first oxide layer; forming lower interconnect layers in the first oxide layer; forming a nitride layer over the first oxide layer and the lower interconnect layers; forming a second oxide layer over the nitride layer; forming bottom electrodes through the second oxide layer and the nitride layer contacting a portion of an upper surface of the lower interconnect layers; forming MTJ structures over the bottom electrodes; forming top electrodes over the MTJ structures; and forming upper interconnect layers over one or more of the top electrodes.
    Type: Application
    Filed: October 30, 2018
    Publication date: March 7, 2019
    Inventors: Wanbing YI, Neha NAYYAR, Curtis Chun-I HSIEH, Mahesh BHATKAR, Wenjun LIU, Juan Boon TAN
  • Patent number: 10186524
    Abstract: Methods for eliminating the distance between a BULEX and SOI and the resulting devices are disclosed. Embodiments include providing a silicon layer on a BOX layer on a silicon substrate; forming two active areas in the silicon layer, separated by a space; forming first and second polysilicon gates over one active area, a third polysilicon gate over the space, and fourth and fifth polysilicon gates over the other active area, the second and fourth gates abutting edges of the space; forming spacers at opposite sides of each gate; removing the second, third, and fourth gates and the corresponding spacers; removing the silicon layer and BOX layer in the space, forming a trench and exposing the silicon substrate; forming second spacers on sidewalls of the trench; forming raised source/drain regions on each active area; and forming a p-well contact on the silicon substrate between the second spacers.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: January 22, 2019
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: David Pritchard, Lixia Lei, Deniz E. Civay, Scott D. Luning, Neha Nayyar
  • Publication number: 20190012422
    Abstract: The present disclosure relates to methodologies for designing semiconductor structures, and, more particularly, creating a methodology to connect contacts of semiconductor elements to a metal line using marker tabs to reserve space for future connections between the contacts and the metal line, and then reassigning the marker tabs to connections between the contacts and the metal line on different levels of a metal stack formed over the semiconductor elements.
    Type: Application
    Filed: July 7, 2017
    Publication date: January 10, 2019
    Inventors: Neha NAYYAR, Daniel J. DECHENE, David C. PRITCHARD, George J. KLUTH
  • Patent number: 10158066
    Abstract: Methods of fabricating a flexible dummy fill to increase MTJ density are provided. Embodiments include forming a first oxide layer; forming lower interconnect layers in the first oxide layer; forming a nitride layer over the first oxide layer and the lower interconnect layers; forming a second oxide layer over the nitride layer; forming bottom electrodes through the second oxide layer and the nitride layer contacting a portion of an upper surface of the lower interconnect layers; forming MTJ structures over the bottom electrodes; forming top electrodes over the MTJ structures; and forming upper interconnect layers over one or more of the top electrodes.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: December 18, 2018
    Assignee: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Wanbing Yi, Neha Nayyar, Curtis Chun-I Hsieh, Mahesh Bhatkar, Wenjun Liu, Juan Boon Tan
  • Publication number: 20180358546
    Abstract: Methods of fabricating a flexible dummy fill to increase MTJ density are provided. Embodiments include forming a first oxide layer; forming lower interconnect layers in the first oxide layer; forming a nitride layer over the first oxide layer and the lower interconnect layers; forming a second oxide layer over the nitride layer; forming bottom electrodes through the second oxide layer and the nitride layer contacting a portion of an upper surface of the lower interconnect layers; forming MTJ structures over the bottom electrodes; forming top electrodes over the MTJ structures; and forming upper interconnect layers over one or more of the top electrodes.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 13, 2018
    Inventors: Wanbing YI, Neha NAYYAR, Curtis Chun-I HSIEH, Mahesh BHATKAR, Wenjun LIU, Juan Boon TAN
  • Publication number: 20180197882
    Abstract: Methods for eliminating the distance between a BULEX and SOI and the resulting devices are disclosed. Embodiments include providing a silicon layer on a BOX layer on a silicon substrate; forming two active areas in the silicon layer, separated by a space; forming first and second polysilicon gates over one active area, a third polysilicon gate over the space, and fourth and fifth polysilicon gates over the other active area, the second and fourth gates abutting edges of the space; forming spacers at opposite sides of each gate; removing the second, third, and fourth gates and the corresponding spacers; removing the silicon layer and BOX layer in the space, forming a trench and exposing the silicon substrate; forming second spacers on sidewalls of the trench; forming raised source/drain regions on each active area; and forming a p-well contact on the silicon substrate between the second spacers.
    Type: Application
    Filed: March 5, 2018
    Publication date: July 12, 2018
    Inventors: David PRITCHARD, Lixia LEI, Deniz E. CIVAY, Scott D. LUNING, Neha NAYYAR
  • Patent number: 9941301
    Abstract: Methods for eliminating the distance between a BULEX and SOI and the resulting devices are disclosed. Embodiments include providing a silicon layer on a BOX layer on a silicon substrate; forming two active areas in the silicon layer, separated by a space; forming first and second polysilicon gates over one active area, a third polysilicon gate over the space, and fourth and fifth polysilicon gates over the other active area, the second and fourth gates abutting edges of the space; forming spacers at opposite sides of each gate; removing the second, third, and fourth gates and the corresponding spacers; removing the silicon layer and BOX layer in the space, forming a trench and exposing the silicon substrate; forming second spacers on sidewalls of the trench; forming raised source/drain regions on each active area; and forming a p-well contact on the silicon substrate between the second spacers.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: April 10, 2018
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: David Pritchard, Lixia Lei, Deniz E. Civay, Scott D. Luning, Neha Nayyar