Patents by Inventor John Nowak

John Nowak 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: 11315845
    Abstract: Semiconductor devices comprising a getter material are described. The getter material can be located in or over the active region of the device and/or in or over a termination region of the device. The getter material can be a conductive or an insulating material. The getter material can be present as a continuous or discontinuous film. The device can be a SiC semiconductor device such as a SiC vertical MOSFET. Methods of making the devices are also described. Semiconductor devices and methods of making the same comprising source ohmic contacts formed using a self-aligned process are also described. The source ohmic contacts can comprise titanium silicide and/or titanium silicide carbide and can act as a getter material.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: April 26, 2022
    Assignee: Monolith Semiconductor, Inc.
    Inventors: Kevin Matocha, John Nowak, Kiran Chatty, Sujit Banerjee
  • Patent number: 11309414
    Abstract: Metal-Oxide-Semiconductor (MOS) controlled semiconductor devices and methods of making the devices are provided. The devices include a gate which controls current flow through channel regions positioned between source/emitter and drain regions of the device. The devices include a gate oxide layer having a variable thickness. The thickness of the gate oxide layer under the edge of the gate and over the source/emitter regions is different than the thickness over the channel regions of the device. The oxide layer thickness near the edge of the gate can be greater than the oxide layer thickness over the channel regions. The source/emitter regions can be implanted to provide enhanced oxide growth during gate oxide formation. The source/emitter region can include regions that are implanted to provide enhanced oxide growth during gate oxide formation and regions which do not provide enhanced oxide growth during gate oxide formation. The devices can be SiC devices such as SiC MOSFETs and SiC IGBTs.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: April 19, 2022
    Assignee: Monolith Semiconductor Inc.
    Inventors: Kevin Matocha, Sauvik Chowdhury, Kiran Chatty, John Nowak
  • Publication number: 20210005523
    Abstract: Semiconductor devices comprising a getter material are described. The getter material can be located in or over the active region of the device and/or in or over a termination region of the device. The getter material can be a conductive or an insulating material. The getter material can be present as a continuous or discontinuous film. The device can be a SiC semiconductor device such as a SiC vertical MOSFET. Methods of making the devices are also described. Semiconductor devices and methods of making the same comprising source ohmic contacts formed using a self-aligned process are also described. The source ohmic contacts can comprise titanium silicide and/or titanium silicide carbide and can act as a getter material.
    Type: Application
    Filed: August 17, 2020
    Publication date: January 7, 2021
    Applicant: Monolith Semiconductor Inc.
    Inventors: Kevin Matocha, John Nowak, Kiran Chatty, Sujit Banerjee
  • Patent number: 10804175
    Abstract: Semiconductor devices comprising a getter material are described. The getter material can be located in or over the active region of the device and/or in or over a termination region of the device. The getter material can be a conductive or an insulating material. The getter material can be present as a continuous or discontinuous film. The device can be a SiC semiconductor device such as a SiC vertical MOSFET. Methods of making the devices are also described. Semiconductor devices and methods of making the same comprising source ohmic contacts formed using a self-aligned process are also described. The source ohmic contacts can comprise titanium silicide and/or titanium silicide carbide and can act as a getter material.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: October 13, 2020
    Assignee: MONOLITH SEMICONDUCTOR, INC.
    Inventors: Kevin Matocha, John Nowak, Kiran Chatty, Sujit Banerjee
  • Publication number: 20200176596
    Abstract: Metal-Oxide-Semiconductor (MOS) controlled semiconductor devices and methods of making the devices are provided. The devices include a gate which controls current flow through channel regions positioned between source/emitter and drain regions of the device. The devices include a gate oxide layer having a variable thickness. The thickness of the gate oxide layer under the edge of the gate and over the source/emitter regions is different than the thickness over the channel regions of the device. The oxide layer thickness near the edge of the gate can be greater than the oxide layer thickness over the channel regions. The source/emitter regions can be implanted to provide enhanced oxide growth during gate oxide formation. The source/emitter region can include regions that are implanted to provide enhanced oxide growth during gate oxide formation and regions which do not provide enhanced oxide growth during gate oxide formation. The devices can be SiC devices such as SiC MOSFETs and SiC IGBTs.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 4, 2020
    Applicant: Monolith Semiconductor Inc.
    Inventors: Kevin Matocha, Sauvik Chowdhury, Kiran Chatty, John Nowak
  • Patent number: 10622472
    Abstract: Metal-Oxide-Semiconductor (MOS) controlled semiconductor devices and methods of making the devices are provided. The devices include a gate which controls current flow through channel regions positioned between source/emitter and drain regions of the device. The devices include a gate oxide layer having a variable thickness. The thickness of the gate oxide layer under the edge of the gate and over the source/emitter regions is different than the thickness over the channel regions of the device. The oxide layer thickness near the edge of the gate can be greater than the oxide layer thickness over the channel regions. The source/emitter regions can be implanted to provide enhanced oxide growth during gate oxide formation. The source/emitter region can include regions that are implanted to provide enhanced oxide growth during gate oxide formation and regions which do not provide enhanced oxide growth during gate oxide formation. The devices can be SiC devices such as SiC MOSFETs and SiC IGBTs.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: April 14, 2020
    Assignee: Monolith Semiconductor Inc.
    Inventors: Kevin Matocha, Sauvik Chowdhury, Kiran Chatty, John Nowak
  • Publication number: 20190334025
    Abstract: Metal-Oxide-Semiconductor (MOS) controlled semiconductor devices and methods of making the devices are provided. The devices include a gate which controls current flow through channel regions positioned between source/emitter and drain regions of the device. The devices include a gate oxide layer having a variable thickness. The thickness of the gate oxide layer under the edge of the gate and over the source/emitter regions is different than the thickness over the channel regions of the device. The oxide layer thickness near the edge of the gate can be greater than the oxide layer thickness over the channel regions. The source/emitter regions can be implanted to provide enhanced oxide growth during gate oxide formation. The source/emitter region can include regions that are implanted to provide enhanced oxide growth during gate oxide formation and regions which do not provide enhanced oxide growth during gate oxide formation. The devices can be SiC devices such as SiC MOSFETs and SiC IGBTs.
    Type: Application
    Filed: June 27, 2019
    Publication date: October 31, 2019
    Applicant: Monolith Semiconductor Inc.
    Inventors: Kevin Matocha, Sauvik Chowdhury, Kiran Chatty, John Nowak
  • Patent number: 10361296
    Abstract: Metal-Oxide-Semiconductor (MOS) controlled semiconductor devices and methods of making the devices are provided. The devices include a gate which controls current flow through channel regions positioned between source/emitter and drain regions of the device. The devices include a gate oxide layer having a variable thickness. The thickness of the gate oxide layer under the edge of the gate and over the source/emitter regions is different than the thickness over the channel regions of the device. The oxide layer thickness near the edge of the gate can be greater than the oxide layer thickness over the channel regions. The source/emitter regions can be implanted to provide enhanced oxide growth during gate oxide formation. The source/emitter region can include regions that are implanted to provide enhanced oxide growth during gate oxide formation and regions which do not provide enhanced oxide growth during gate oxide formation. The devices can be SiC devices such as SiC MOSFETs and SiC IGBTs.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: July 23, 2019
    Assignee: Monolith Semiconductor Inc.
    Inventors: Kevin Matocha, Sauvik Chowdhury, Kiran Chatty, John Nowak
  • Publication number: 20190006505
    Abstract: Metal-Oxide-Semiconductor (MOS) controlled semiconductor devices and methods of making the devices are provided. The devices include a gate which controls current flow through channel regions positioned between source/emitter and drain regions of the device. The devices include a gate oxide layer having a variable thickness. The thickness of the gate oxide layer under the edge of the gate and over the source/emitter regions is different than the thickness over the channel regions of the device. The oxide layer thickness near the edge of the gate can be greater than the oxide layer thickness over the channel regions. The source/emitter regions can be implanted to provide enhanced oxide growth during gate oxide formation. The source/emitter region can include regions that are implanted to provide enhanced oxide growth during gate oxide formation and regions which do not provide enhanced oxide growth during gate oxide formation. The devices can be SiC devices such as SiC MOSFETs and SiC IGBTs.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 3, 2019
    Inventors: Kevin Matocha, Sauvik Chowdhury, Kiran Chatty, John Nowak
  • Publication number: 20170178989
    Abstract: Semiconductor devices comprising a getter material are described. The getter material can be located in or over the active region of the device and/or in or over a termination region of the device. The getter material can be a conductive or an insulating material. The getter material can be present as a continuous or discontinuous film. The device can be a SiC semiconductor device such as a SiC vertical MOSFET. Methods of making the devices are also described. Semiconductor devices and methods of making the same comprising source ohmic contacts formed using a self-aligned process are also described. The source ohmic contacts can comprise titanium silicide and/or titanium silicide carbide and can act as a getter material.
    Type: Application
    Filed: March 1, 2017
    Publication date: June 22, 2017
    Inventors: Kevin MATOCHA, John NOWAK, Kiran CHATTY, Sujit BANERJEE
  • Patent number: 9620428
    Abstract: Semiconductor devices comprising a getter material are described. The getter material can be located in or over the active region of the device and/or in or over a termination region of the device. The getter material can be a conductive or an insulating material. The getter material can be present as a continuous or discontinuous film. The device can be a SiC semiconductor device such as a SiC vertical MOSFET. Methods of making the devices are also described. Semiconductor devices and methods of making the same comprising source ohmic contacts formed using a self-aligned process are also described. The source ohmic contacts can comprise titanium silicide and/or titanium silicide carbide and can act as a getter material.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: April 11, 2017
    Assignee: MONOLITH SEMICONDUCTOR INC.
    Inventors: Kevin Matocha, John Nowak, Kiran Chatty, Sujit Banerjee
  • Publication number: 20160343631
    Abstract: Semiconductor devices comprising a getter material are described. The getter material can be located in or over the active region of the device and/or in or over a termination region of the device. The getter material can be a conductive or an insulating material. The getter material can be present as a continuous or discontinuous film. The device can be a SiC semiconductor device such as a SiC vertical MOSFET. Methods of making the devices are also described. Semiconductor devices and methods of making the same comprising source ohmic contacts formed using a self-aligned process are also described. The source ohmic contacts can comprise titanium silicide and/or titanium silicide carbide and can act as a getter material.
    Type: Application
    Filed: July 22, 2016
    Publication date: November 24, 2016
    Inventors: Kevin MATOCHA, John NOWAK, Kiran CHATTY, Sujit BANERJEE
  • Patent number: 9425153
    Abstract: Semiconductor devices comprising a getter material are described. The getter material can be located in or over the active region of the device and/or in or over a termination region of the device. The getter material can be a conductive or an insulating material. The getter material can be present as a continuous or discontinuous film. The device can be a SiC semiconductor device such as a SiC vertical MOSFET. Methods of making the devices are also described. Semiconductor devices and methods of making the same comprising source ohmic contacts formed using a self-aligned process are also described. The source ohmic contacts can comprise titanium silicide and/or titanium silicide carbide and can act as a getter material.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: August 23, 2016
    Assignee: MONOLITH SEMICONDUCTOR INC.
    Inventors: Kevin Matocha, John Nowak, Kiran Chatty, Sujit Banerjee
  • Publication number: 20150214164
    Abstract: Semiconductor devices comprising a getter material are described. The getter material can be located in or over the active region of the device and/or in or over a termination region of the device. The getter material can be a conductive or an insulating material. The getter material can be present as a continuous or discontinuous film. The device can be a SiC semiconductor device such as a SiC vertical MOSFET. Methods of making the devices are also described. Semiconductor devices and methods of making the same comprising source ohmic contacts formed using a self-aligned process are also described. The source ohmic contacts can comprise titanium silicide and/or titanium silicide carbide and can act as a getter material.
    Type: Application
    Filed: April 7, 2015
    Publication date: July 30, 2015
    Inventors: Kevin MATOCHA, John NOWAK, Kiran CHATTY, Sujit BANERJEE
  • Patent number: 7326814
    Abstract: The present invention relates to a process for the minimization of volatile organic sulphur byproducts in dimethyl sulfate quaternization of amines made with hypophosphorous acid, which leads to the formation of an odor stable product.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: February 5, 2008
    Assignee: Akzo Nobel N.V.
    Inventors: Elliot Band, Maurice Dery, William Joyce, Jeffrey Earl Telschow, Biing Ming Su, Michael Engel, John Nowak, Claude Peterson, Harold Providence, Phuong-Nga Trinh, Sandra Urquhart
  • Publication number: 20070099245
    Abstract: This invention relates to assays for the detection of neutralizing antibodies. Further, this invention relates to assays for the detection of neutralizing antibodies specific for bone morphogenetic protein 2 (BMP-2) or capable of inhibiting at least one of the biological activities of BMP-2.
    Type: Application
    Filed: September 29, 2006
    Publication date: May 3, 2007
    Inventors: Boris Gorovits, John Nowak, Denise O'Hara, William Dickerson, Tony Celeste
  • Publication number: 20060240488
    Abstract: This disclosure provides methods for the detection of antibodies to a GDF-8 modulating agent such as, e.g., MYO-029, in a biological sample. Methods to detect an immune response to a GDF-8 modulating agent are also included. In particular, methods to assess an immune response in animals, including humans, to a GDF-8 modulating agent such as a GDF-8 inhibitor are provided herein.
    Type: Application
    Filed: March 23, 2006
    Publication date: October 26, 2006
    Inventors: John Nowak, Denise O'Hara, John Cryan, Teresa Caiazzo, Alison Joyce, Joseph Rajewski, Shujun Sun, Neil Wolfman
  • Publication number: 20060240487
    Abstract: Methods to detect GDF-8 modulating agents in animals, including humans, are provided herein, including methods to detect the presence of exogenous GDF-8 modulating agent such as a GDF-8 inhibitor in a biological sample. In particular, methods to assess the presence and/or quantity of a GDF-8 modulating agent in a biological sample are provided.
    Type: Application
    Filed: March 23, 2006
    Publication date: October 26, 2006
    Inventors: John Nowak, John Cryan, Kristin Murray, Joseph Rajewski, Shujun Sun, Neil Wolfman
  • Publication number: 20060189826
    Abstract: The present invention relates to a process for the minimization of volatile organic sulphur byproducts in dimethyl sulfate quaternization of amines made with hypophosphorous acid, which leads to the formation of an odor stable product.
    Type: Application
    Filed: December 23, 2003
    Publication date: August 24, 2006
    Inventors: Elliot Band, Maurice Dery, William Joyce, Jeffrey Telschow, Biing Su, Michael Engel, John Nowak, Claude Peterson, Harold Providence, Phuong-Nga Trinh, Sandra Urouhart