Patents by Inventor Walter W. Salt, Jr.

Walter W. Salt, Jr. 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).

  • Retainer ring for securing substrates in a vacuum deposition system
    Patent number: 4344383
    Abstract: A novel wafer retainer assembly is described which includes a ring member for securing wafers in a planetary fixture. The ring member is easily removed or inserted by means of thumb and forefinger pressure exerted on tabs extending from open ends of a resilient spring and maintains the wafers in apertures on the planet member without exerting any pressure on the wafers, thus avoiding breakage.
    Type: Grant
    Filed: December 10, 1980
    Date of Patent: August 17, 1982
    Assignee: RCA Corporation
    Inventor: Walter W. Salt, Jr.