Patents by Inventor Andreas Ulmann

Andreas Ulmann 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).

  • Patent number: 4882298
    Abstract: In a method for encapsulating microelectronic semiconductor and thin film devices, a reliable hermetically sealed encapsulation of the circuit components is achieved, even under long exposure to extreme environmental conditions of moisture and corrosive gases. A direct soldered connection and sealing of a metal foil capsule is achieved which is more reliable than glued capsules, and more economical than welded capsules.
    Type: Grant
    Filed: July 29, 1988
    Date of Patent: November 21, 1989
    Assignee: Messerschmitt-Boelkow-Blohm GmbH
    Inventors: Werner Moeller, Andreas Ulmann