Patents by Inventor John Fleming Walker

John Fleming Walker 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).

  • Method for shielding integrated circuits
    Patent number: 7732321
    Abstract: A method for adding an additional layer to an integrated circuit, the method including providing an integrated circuit having an interconnect layer, depositing, over substantially all of an exposed surface of the integrated circuit, an additional layer of material whose conductivity can be altered, and selectively altering the conductivity of a first portion of the additional layer by selective annealing, to produce a sub-circuit in the additional layer, the sub-circuit being in operative electrical communication with the integrated circuit. Related apparatus and methods are also described.
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: June 8, 2010
    Assignee: NDS Limited
    Inventor: John Fleming Walker
  • System For Shielding Integrated Circuits
    Publication number: 20080093742
    Abstract: A method for adding an additional layer to an integrated circuit, the method including providing an integrated circuit having an interconnect layer, depositing, over substantially all of an exposed surface of the integrated circuit, an additional layer of material whose conductivity can be altered, and selectively altering the conductivity of a first portion of the additional layer by selective annealing, to produce a sub-circuit in the additional layer, the sub-circuit being in operative electrical communication with the integrated circuit. Related apparatus and methods are also described.
    Type: Application
    Filed: May 4, 2005
    Publication date: April 24, 2008
    Applicant: NDS Limited
    Inventor: John Fleming Walker