Patents by Inventor Thomas Wroe

Thomas Wroe 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).

  • Circuit substrate and circuit using the substrate
    Patent number: 4994903
    Abstract: A circuit having a semiconductor device therein has a novel and improved circuit substrate comprising a layer of organic electrically insulating material having a layer of metal of relatively high electrical conductivity adhered to and supported on one side of the organic material layer forming electrically conductive circuit paths and forming a pad mounting the semiconductor device. A heat sink metal layer is adhered to and supported on an opposite side of the organic material layer for withdrawing heat from the semiconductor device.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: February 19, 1991
    Assignee: Texas Instruments Incorporated
    Inventors: Thomas Wroe, Henry F. Breit