Patents by Inventor Walter W. Koste

Walter W. Koste 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).

  • Recessed metallurgy for dielectric substrates
    Patent number: 3956052
    Abstract: A ceramic green sheet material is metallized by laminating a thin organic material, preferably MYLAR, to a ceramic green sheet surface, and then employing an electron beam to define a predetermined pattern of openings extending through the organic material and selectively into and through the green sheet. The resulting channels and via holes are then filled with a metal paste. The organic mask is removed by peeling subsequent to the metal paste deposition step.
    Type: Grant
    Filed: February 11, 1974
    Date of Patent: May 11, 1976
    Assignee: International Business Machines Corporation
    Inventors: Walter W. Koste, Ernest N. Urfer