Patents by Inventor Zed J. Atlee

Zed J. Atlee 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).

  • X-ray tube having focusing cup with non-emitting coating
    Patent number: RE30082
    Abstract: An x-ray tube is described including a focusing cup electrode coated with a high work function material, such as platinum or gold, to prevent the field emission of electrons from such cup. The method of applying the non-emitting coating is preferably sputtering or ion plating, but may also be electroplating followed by vacuum fusion in the case of gold or other low melting point metals.
    Type: Grant
    Filed: January 27, 1977
    Date of Patent: August 21, 1979
    Assignee: Picker Corporation
    Inventors: Zed J. Atlee, Roy F. Kasten, Jr.