Patents by Inventor Wayne Bather

Wayne Bather 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: 20220102553
    Abstract: A method for fabricating a transistor on a semiconductor wafer includes providing a partial transistor containing a gate stack, extension regions, and source/drain sidewalls. The method also includes performing a source/drain implant of the semiconductor wafer, forming a cap layer over the semiconductor wafer, and performing a source/drain anneal. In addition, the method includes performing a damage implant of the cap layer and removing the cap layer over the semiconductor wafer.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 31, 2022
    Inventors: Mahalingam Nandakumar, Wayne Bather, Narendra Singh Mehta
  • Publication number: 20170365715
    Abstract: A method for fabricating a transistor on a semiconductor wafer includes providing a partial transistor containing a gate stack, extension regions, and source/drain sidewalls, The method also includes performing a source/drain implant of the semiconductor wafer, forming a cap layer over the semiconductor wafer, and performing a source/drain anneal. In addition, the method includes performing a damage implant of the cap layer and removing the cap layer over the semiconductor wafer.
    Type: Application
    Filed: August 10, 2017
    Publication date: December 21, 2017
    Inventors: Mahalingam Nandakumar, Wayne Bather, Narendra Singh Mehta
  • Patent number: 8859377
    Abstract: A method for fabricating a transistor on a semiconductor wafer includes providing a partial transistor containing a gate stack, extension regions, and source/drain sidewalls. The method also includes performing a source/drain implant of the semiconductor wafer, forming a cap layer over the semiconductor wafer, and performing a source/drain anneal. In addition, the method includes performing a damage implant of the cap layer and removing the cap layer over the semiconductor wafer.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: October 14, 2014
    Assignee: Texas Instruments Incorporated
    Inventors: Mahalingam Nandakumar, Wayne Bather, Narendra Singh Mehta
  • Publication number: 20100270622
    Abstract: The present invention provides a method for manufacturing a semiconductor device as well as a semiconductor device. The method, among other steps, may include forming a gate structure over a substrate, and forming a strain inducing sidewall spacer proximate a sidewall of the gate structure, the strain inducing sidewall configured to introduce strain in a channel region below the gate structure.
    Type: Application
    Filed: July 7, 2010
    Publication date: October 28, 2010
    Applicant: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Mahalingam NANDAKUMAR, Wayne A. BATHER, Narendra Singh MEHTA, Lahir Shaik ADAM
  • Publication number: 20100252887
    Abstract: A method for fabricating a transistor on a semiconductor wafer includes providing a partial transistor containing a gate stack, extension regions, and source/drain sidewalls. The method also includes performing a source/drain implant of the semiconductor wafer, forming a cap layer over the semiconductor wafer, and performing a source/drain anneal. In addition, the method includes performing a damage implant of the cap layer and removing the cap layer over the semiconductor wafer.
    Type: Application
    Filed: June 17, 2010
    Publication date: October 7, 2010
    Applicant: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Mahalingam Nandakumar, Wayne Bather, Narendra Singh Mehta
  • Patent number: 7772094
    Abstract: A method for semiconductor processing is provided, wherein a removal of one or more layers is aided by structurally weakening the one or more layers via ion implantation. A semiconductor substrate is provided having one or more primary layers formed thereon, and a secondary layer is formed over the one or more primary layers. One or more ion species are implanted into the secondary layer, therein structurally weakening the secondary layer, and a patterned photoresist layer is formed over the secondary layer. Respective portions of the secondary layer and the one or more primary layers that are not covered by the patterned photoresist layer are removed, and the patterned photoresist layer is further removed. At least another portion of the secondary layer is removed, wherein the structural weakening of the secondary layer increases a removal rate of the at least another portion of the secondary layer.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: August 10, 2010
    Assignee: Texas Instuments Incorporated
    Inventors: Mahalingam Nandakumar, Wayne Bather, Narendra Singh Mehta
  • Publication number: 20090170277
    Abstract: A method for semiconductor processing is provided, wherein a removal of one or more layers is aided by structurally weakening the one or more layers via ion implantation. A semiconductor substrate is provided having one or more primary layers formed thereon, and a secondary layer is formed over the one or more primary layers. One or more ion species are implanted into the secondary layer, therein structurally weakening the secondary layer, and a patterned photoresist layer is formed over the secondary layer. Respective portions of the secondary layer and the one or more primary layers that are not covered by the patterned photoresist layer are removed, and the patterned photoresist layer is further removed. At least another portion of the secondary layer is removed, wherein the structural weakening of the secondary layer increases a removal rate of the at least another portion of the secondary layer.
    Type: Application
    Filed: December 29, 2008
    Publication date: July 2, 2009
    Applicant: Texas Instruments Incorporated
    Inventors: Mahalingam Nandakumar, Wayne Bather, Narendra Singh Mehta
  • Publication number: 20090004805
    Abstract: A method for fabricating a transistor on a semiconductor wafer includes providing a partial transistor containing a gate stack, extension regions, and source/drain sidewalls. The method also includes performing a source/drain implant of the semiconductor wafer, forming a cap layer over the semiconductor wafer, and performing a source/drain anneal. In addition, the method includes performing a damage implant of the cap layer and removing the cap layer over the semiconductor wafer.
    Type: Application
    Filed: June 29, 2007
    Publication date: January 1, 2009
    Applicant: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Mahalingam Nandakumar, Wayne Bather, Narendra Singh Mehta
  • Publication number: 20070196991
    Abstract: The present invention provides a method for manufacturing a semiconductor device as well as a semiconductor device. The method, among other steps, may include forming a gate structure over a substrate, and forming a strain inducing sidewall spacer proximate a sidewall of the gate structure, the strain inducing sidewall configured to introduce strain in a channel region below the gate structure.
    Type: Application
    Filed: December 14, 2006
    Publication date: August 23, 2007
    Applicant: Texas Instruments Incorporated
    Inventors: Mahalingam Nandakumar, Wayne Bather, Narendra Mehta, Lahir Adam
  • Publication number: 20070015347
    Abstract: A method forms a semiconductor device comprising a modifiable strain inducing layer. A semiconductor body is provided. First and second regions of the semiconductor body are identified. A modifiable tensile strain inducing layer is formed over the device within the first and second regions. A mask is then formed that exposes the second region and covers the first region. A material is selected for a modification implant and the selected material is implanted into the second region thereby converting a portion of the modifiable tensile strain inducing layer into a compressive strain inducing layer within the PMOS region.
    Type: Application
    Filed: July 18, 2005
    Publication date: January 18, 2007
    Inventors: Narendra Mehta, Wayne Bather, Ajith Varghese
  • Publication number: 20060172556
    Abstract: The present invention provides a method for manufacturing a semiconductor device as well as a semiconductor device. The method, among other steps, may include forming a gate structure (230) over a substrate (210), and forming a strain inducing film (330, 520, 530 or 810) over the substrate (210) and proximate the gate structure (230), the strain inducing film (330, 520, 530 or 810) comprising a bis t-butylaminosilane (BTBAS) silicon nitride layer formed using ratio of bis t-butylaminosilane (BTBAS) to ammonia (NH3) of 1:1 or greater.
    Type: Application
    Filed: February 1, 2006
    Publication date: August 3, 2006
    Applicant: Texas Instruments Incorporated
    Inventors: Wayne Bather, Narendra Mehta, Troy Yocum
  • Publication number: 20050189660
    Abstract: A method of forming a semiconductor device includes forming one or more sidewall spacer layers on the outer surface of a gate stack. At least one region of an at least partially formed semiconductor device is doped. First and second sidewall bodies are formed on opposing sides of the gate stack. The formation of the first and second sidewall bodies includes forming a first sidewall-forming layer on the outward surface of the gate stack and the sidewall spacer layers, exposing the semiconductor device to a heating cycle in a single wafer reactor, and forming a second sidewall-forming layer on the outward surface of the first sidewall-forming layer. The formation of the second sidewall-forming layer occurs in an environment that substantially minimizes dopant loss and deactivation in the at least one region of the partially formed semiconductor device.
    Type: Application
    Filed: June 2, 2004
    Publication date: September 1, 2005
    Inventors: Haowen Bu, Amitabh Jain, Wayne Bather, Stephanie Butler
  • Patent number: 6812073
    Abstract: A method of forming a semiconductor device includes forming one or more sidewall spacer layers on the outer surface of a gate stack. At least one region of an at least partially formed semiconductor device is doped. First and second sidewall bodies are formed on opposing sides of the gate stack. The formation of the first and second sidewall bodies includes forming a first sidewall-forming layer on the outward surface of the gate stack and the sidewall spacer layers, exposing the semiconductor device to a heating cycle in a single wafer reactor, and forming a second sidewall-forming layer on the outward surface of the first sidewall-forming layer. The formation of the second sidewall-forming layer occurs in an environment that substantially minimizes dopant loss and deactivation in the at least one region of the partially formed semiconductor device.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: November 2, 2004
    Assignee: Texas Instrument Incorporated
    Inventors: Haowen Bu, Amitabh Jain, Wayne A. Bather, Stephanie Watts Butler
  • Publication number: 20040110352
    Abstract: A method of forming a semiconductor device includes forming one or more sidewall spacer layers on the outer surface of a gate stack. At least one region of an at least partially formed semiconductor device is doped. First and second sidewall bodies are formed on opposing sides of the gate stack. The formation of the first and second sidewall bodies includes forming a first sidewall-forming layer on the outward surface of the gate stack and the sidewall spacer layers, exposing the semiconductor device to a heating cycle in a single wafer reactor, and forming a second sidewall-forming layer on the outward surface of the first sidewall-forming layer. The formation of the second sidewall-forming layer occurs in an environment that substantially minimizes dopant loss and deactivation in the at least one region of the partially formed semiconductor device.
    Type: Application
    Filed: December 10, 2002
    Publication date: June 10, 2004
    Applicant: Texas Instruments Incorporated
    Inventors: Haowen Bu, Amitabh Jain, Wayne A. Bather, Stephanie Watts Butler
  • Patent number: 6686283
    Abstract: A method for forming planar isolation structures for integrated circuits. A etch barrier is formed over the isolation fill material and an etch back is performed to remove material above unetched portions of the substrate. The exposed fill material is etched and planarized to form a planar isolation structure.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: February 3, 2004
    Assignee: Texas Instruments Incorporated
    Inventors: Shawn T. Walsh, John E. Campbell, Somit Joshi, James B. Friedmann, Michael J. McGranaghan, Janice D. Makos, Arun Sivasothy, Troy A. Yocum, Jaideep Mavoori, Wayne A. Bather, Joe G. Tran, Ju-Ai Ruan, Michelle L. Hartsell, Gregory B. Shinn
  • Publication number: 20030129804
    Abstract: A method of forming a semiconductor device includes doping at least one region of an at least partially formed semiconductor device. The method further includes depositing at least one spacer layer outwardly from the at least one region of the at least partially formed semiconductor device. The at least one deposited spacer layer is formed in an environment that substantially minimizes dopant loss and deactivation in the at least one region of the at least partially formed semiconductor device.
    Type: Application
    Filed: May 14, 2002
    Publication date: July 10, 2003
    Inventors: Manoj Mehrotra, Wayne A. Bather, Reji K. Koshy, Amitabh Jain, Mark S. Rodder, Rajesh B. Khamankar, Paul A. Tiner, Rick L. Wise, Darin K. Wedel