Patents by Inventor Karl Pritscher

Karl Pritscher 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).

  • Packaging of semiconductor discs
    Patent number: 4057142
    Abstract: A stackable plastics pallet for packaging semiconductor discs on a gas-ti foil covering, said pallet having a plurality of circular depressions each for accommodating a semiconductor disc, and means for securing the discs between the pallets, the securing means being in the form of sloping part-sector shaped surfaces surrounding said depressions, with two opposite sets of sloping surfaces clamping the semiconductor discs at their outermost rims and immobilizing them thereby.
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: November 8, 1977
    Assignee: Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
    Inventors: Gunther Lechner, Karl Pritscher, Helmut Kirschner