Patents by Inventor Otto Dombkowski

Otto Dombkowski 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 unit for semiconductor wafers
    Patent number: 4555024
    Abstract: A three-component tray-type packaging unit for semiconductor wafers, compatible with automatic equipment, includes a wafer carrier enclosed between a tub-shaped lower portion for receiving the wafer carrier and a matching lid. The wafers are fixed at four contact points-namely, in the wafer carrier by two rows of spring tongues arranged tangentially with respect to the wafer, and in the matching lid by two rows of inwardly projecting retention cones.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: November 26, 1985
    Assignee: Wacker-Chemie GmbH
    Inventors: Jurgen Voss, Otto Dombkowski, Walter Kudlich, Jan Stodulka