Patents by Inventor Gunter Schindlbeck

Gunter Schindlbeck 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 of marking semiconductor chips and markable semiconductor chip
    Patent number: 4947114
    Abstract: Method of marking semiconductor chips to indicate at least one definite feature by applying optically recognizable markings to the surface of the semiconductor chips, which includes forming at least one area of the chip provided for marking purposes from a homogeneous and highly reflective material, and applying the optically recognizable markings by changing the surface of the at least one area of the chip provided for making purposes, and a chip which is markable according to the method.
    Type: Grant
    Filed: May 24, 1982
    Date of Patent: August 7, 1990
    Assignee: Siemens Aktiengesellschaft
    Inventor: Gunter Schindlbeck