Patents by Inventor Wolfgang Heinke

Wolfgang Heinke 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).

  • Process for the removal of specific crystal structure defects from semiconductor discs and the product thereof
    Patent number: 4042419
    Abstract: Process of the removal of point defects and point defect agglomerates from emiconductor discs, which comprises the steps of providing one side of the discs with a mechanical stress field and then subjecting the discs to a heat treatment.
    Type: Grant
    Filed: July 23, 1976
    Date of Patent: August 16, 1977
    Assignee: Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
    Inventors: Wolfgang Heinke, Helmut Kirschner, Detlef Reimann