Patents by Inventor Klaus Wedermann

Klaus Wedermann 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).

  • Multi-layer metal connecting contact and method for making it
    Patent number: 4142202
    Abstract: A multi-layer metal connecting contact on a semiconductor body of a predetermined conductivity type comprises three gold layers on the semiconductor body, one on top of the next, with the middle layer containing an impurity material which produces the predetermined type of conductivity in said semiconductor body, and at least one further metal layer not comprising gold arranged on said gold layers.The invention also includes a method of making such a multi-layer metal connecting contact.
    Type: Grant
    Filed: January 25, 1977
    Date of Patent: February 27, 1979
    Assignee: Licentia-Patent-Verwaltungs-G.m.b.H.
    Inventors: Andreas Csillag, Dieter Locher, Klaus Wedermann