Patents by Inventor Keith Gordon Spanjer

Keith Gordon Spanjer 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).

  • Protective coating for high voltage devices
    Patent number: 4096521
    Abstract: A thermally stable encapsulant for a semiconductor substrate having high voltage devices disposed therein including a coating comprising a polymer having suitable polar characteristics and a metal oxide for depleting excess electron charge and for stablizing ionic contaminants during high voltage operation.
    Type: Grant
    Filed: July 8, 1976
    Date of Patent: June 20, 1978
    Assignee: Motorola Inc.
    Inventor: Keith Gordon Spanjer