Patents by Inventor Vikram B. Krishnamurthy

Vikram B. Krishnamurthy 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: 7158383
    Abstract: A technique for fabricating a resistor on a flexible substrate. Specifically, at least a portion of a polyimide substrate is activated by exposure to a ion sputter etch techniques. A metal layer is disposed over the activated portion of the substrate, thereby resulting in the formation of a highly resistive metal-carbide region. Interconnect layers are disposed over the metal-carbide region and patterned to form terminals at opposite ends of the metal carbide region. The metal-carbide region is patterned to form a resistor between the terminals. Alternatively, only a selected area of the polyimide substrate is activated. The selected area forms the area in which the metal-carbide region is formed. Interconnect layers are disposed over the metal-carbide region and patterned to form terminals at opposite ends of the metal-carbide region.
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: January 2, 2007
    Assignee: General Electric Company
    Inventors: Kevin M. Durocher, Richard J. Saia, Vikram B. Krishnamurthy
  • Publication number: 20040114336
    Abstract: A technique for fabricating a resistor on a flexible substrate. Specifically, at least a portion of a polyimide substrate is activated by exposure to a ion sputter etch techniques. A metal layer is disposed over the activated portion of the substrate, thereby resulting in the formation of a highly resistive metal-carbide region. Interconnect layers are disposed over the metal-carbide region and patterned to form terminals at opposite ends of the metal carbide region. The metal-carbide region is patterned to form a resistor between the terminals. Alternatively, only a selected area of the polyimide substrate is activated. The selected area forms the area in which the metal-carbide region is formed. Interconnect layers are disposed over the metal-carbide region and patterned to form terminals at opposite ends of the metal-carbide region.
    Type: Application
    Filed: November 18, 2003
    Publication date: June 17, 2004
    Inventors: Kevin M. Durocher, Richard J. Saia, Vikram B. Krishnamurthy
  • Patent number: 6733711
    Abstract: There is provided a flexible circuit module, including at least one rigid carrier, at least one solid state device mounted over a first side of the at least one rigid carrier, a flexible base supporting a second side of the at least one rigid carrier, a conductive interconnect pattern on the flexible base, and a plurality of feed through electrodes extending from the first side to the second side of the at least one rigid carrier and electrically connecting the conductive interconnect pattern with the at least one of a plurality of the solid state devices. The solid state devices may be LED chips to form an LED array module.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: May 11, 2004
    Assignee: General Electric Company
    Inventors: Kevin Matthew Durocher, Ernest Wayne Balch, Vikram B. Krishnamurthy, Richard Joseph Saia, Herbert Stanley Cole, Ronald Frank Kolc
  • Patent number: 6730533
    Abstract: There is provided a flexible circuit module, including at least one rigid carrier, at least one solid state device mounted over a first side of the at least one rigid carrier, a flexible base supporting a second side of the at least one rigid carrier, a conductive interconnect pattern on the flexible base, and a plurality of feed through electrodes extending from the first side to the second side of the at least one rigid carrier and electrically connecting the conductive interconnect pattern with the at least one of a plurality of the solid state devices. The solid state devices may be LED chips to form an LED array module.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: May 4, 2004
    Assignee: General Electric Company
    Inventors: Kevin Matthew Durocher, Ernest Wayne Balch, Vikram B. Krishnamurthy, Richard Joseph Saia, Herbert Stanley Cole, Ronald Frank Kolc
  • Publication number: 20040063294
    Abstract: A technique for fabricating a resistor on a flexible substrate. Specifically, at least a portion of a polyimide substrate is activated by exposure to a ion sputter etch techniques. A metal layer is disposed over the activated portion of the substrate, thereby resulting in the formation of a highly resistive metal-carbide region. Interconnect layers are disposed over the metal-carbide region and patterned to form terminals at opposite ends of the metal carbide region. The metal-carbide region is patterned to form a resistor between the terminals. Alternatively, only a selected area of the polyimide substrate is activated. The selected area forms the area in which the metal-carbide region is formed. Interconnect layers are disposed over the metal-carbide region and patterned to form terminals at opposite ends of the metal-carbide region.
    Type: Application
    Filed: September 30, 2002
    Publication date: April 1, 2004
    Inventors: Kevin M. Durocher, Richard J. Saia, Vikram B. Krishnamurthy
  • Patent number: 6709944
    Abstract: A technique for fabricating a resistor on a flexible substrate. Specifically, at least a portion of a polyimide substrate is activated by exposure to a ion sputter etch techniques. A metal layer is disposed over the activated portion of the substrate, thereby resulting in the formation of a highly resistive metal-carbide region. Interconnect layers are disposed over the metal-carbide region and patterned to form terminals at opposite ends of the metal carbide region. The metal-carbide region is patterned to form a resistor between the terminals. Alternatively, only a selected area of the polyimide substrate is activated. The selected area forms the area in which the metal-carbide region is formed. Interconnect layers are disposed over the metal-carbide region and patterned to form terminals at opposite ends of the metal-carbide region.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: March 23, 2004
    Assignee: General Electric Company
    Inventors: Kevin M. Durocher, Richard J. Saia, Vikram B. Krishnamurthy
  • Patent number: 6614103
    Abstract: There is provided a flexible circuit module, including at least one rigid carrier, at least one solid state device mounted over a first side of the at least one rigid carrier, a flexible base supporting a second side of the at least one rigid carrier, a conductive interconnect pattern on the flexible base, and a plurality of feed through electrodes extending from the first side to the second side of the at least one rigid carrier and electrically connecting the conductive interconnect pattern with the at least one of a plurality of the solid state devices. The solid state devices may be LED chips to form an LED array module.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: September 2, 2003
    Assignee: General Electric Company
    Inventors: Kevin Matthew Durocher, Ernest Wayne Balch, Vikram B. Krishnamurthy, Richard Joseph Saia, Herbert Stanley Cole, Ronald Frank Kolc
  • Publication number: 20030160256
    Abstract: There is provided a flexible circuit module, including at least one rigid carrier, at least one solid state device mounted over a first side of the at least one rigid carrier, a flexible base supporting a second side of the at least one rigid carrier, a conductive interconnect pattern on the flexible base, and a plurality of feed through electrodes extending from the first side to the second side of the at least one rigid carrier and electrically connecting the conductive interconnect pattern with the at least one of a plurality of the solid state devices. The solid state devices may be LED chips to form an LED array module.
    Type: Application
    Filed: March 14, 2003
    Publication date: August 28, 2003
    Applicant: General Electric Company
    Inventors: Kevin Matthew Durocher, Ernest Wayne Balch, Vikram B. Krishnamurthy, Richard Joseph Saia, Herbert Stanley Cole, Ronald Frank Kolc
  • Publication number: 20030153108
    Abstract: There is provided a flexible circuit module, including at least one rigid carrier, at least one solid state device mounted over a first side of the at least one rigid carrier, a flexible base supporting a second side of the at least one rigid carrier, a conductive interconnect pattern on the flexible base, and a plurality of feed through electrodes extending from the first side to the second side of the at least one rigid carrier and electrically connecting the conductive interconnect pattern with the at least one of a plurality of the solid state devices. The solid state devices may be LED chips to form an LED array module.
    Type: Application
    Filed: March 14, 2003
    Publication date: August 14, 2003
    Applicant: General Electric Company
    Inventors: Kevin Matthew Durocher, Ernest Wayne Balch, Vikram B. Krishnamurthy, Richard Joesph Saia, Herbert Stanley Cole, Ronald Frank Kolc
  • Patent number: 5385855
    Abstract: A depletion mode MOSFET and resistor are fabricated as a silicon carbide (SiC) integrated circuit (IC). The SiC IC includes a first SiC layer doped to a first conductivity type and a second SiC layer overlaid on the first SiC layer and doped to a second conductivity type. The second SiC layer includes at least four more heavily doped regions of the second conductivity type, with two of such regions comprising MOSFET source and drain electrodes and two other of such regions comprising resistor electrodes. The second SiC layer includes an isolation trench between the MOSFET electrodes and the resistor electrodes. At least two electrically conductive contacts are provided as MOSFET electrode contacts, each being positioned over at least a portion of a respective MOSFET electrode and two other electrically conductive contacts are provided as resistor electrode contacts, each being positioned over at least a portion of a respective resistor electrode.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: January 31, 1995
    Assignee: General Electric Company
    Inventors: Dale M. Brown, Gerald J. Michon, Vikram B. Krishnamurthy, James W. Kretchmer