Patents by Inventor William J. N. Rosser

William J. N. Rosser 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).

  • Glass encapsulation of semiconductor devices
    Patent number: 4279785
    Abstract: A low melting point glass for semiconductor device encapsulation. The glass is based on the lead oxide/phosphorus pentoxide/vanadium pentoxide system and has a thermal coefficient of expansion similar to that of a copper alloy lead frame. The glass is applied to a device as a frit which is then heat fused.
    Type: Grant
    Filed: November 6, 1979
    Date of Patent: July 21, 1981
    Assignee: ITT Industries, Inc.
    Inventors: Clive E. E. Stewart, William J. N. Rosser, Martin P. Ansell