Patents by Inventor Hendricus E. J. Wulms

Hendricus E. J. Wulms 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).

  • Semiconductor device
    Patent number: 4183037
    Abstract: The invention relates to a semiconductor device in which a crossing connection is realized by using parts of a layer of refractory conductive material already present for masking as a part of a current conductor separated from a crossing conductor by an insulation layer. The mask of refractory material may also define the regions in which switching transistors are realized. The invention results in important advantages, in connection with density and crossing connections, in particular in I.sup.2 L-circuits.
    Type: Grant
    Filed: November 2, 1977
    Date of Patent: January 8, 1980
    Assignee: U.S. Philips Corporation
    Inventors: Claude J. P. F. Le Can, Cornelis M. Hart, Hendricus E. J. Wulms