Patents by Inventor Hans Wiedemann

Hans Wiedemann 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).

  • Method and device for precise alignment of semiconductor chips on a substrate
    Patent number: 6127254
    Abstract: A method and device are presented for precise alignment of a semiconductor chip on a substrate which, in a simple and cost-effective way, permit accurate alignment of individual chips on a substrate to be ensured.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: October 3, 2000
    Assignee: International Business Machines Corporation
    Inventors: Ulrich Diebold, Otto Torreiter, Hans Wiedemann