Patents by Inventor Ralf Bertenburg

Ralf Bertenburg 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: 5459633
    Abstract: The present invention relates to an interdigital capacitor and to a method for producing an interdigital capacitor having a finger structure of a coplanar stub line covered by an air bridge pocket for increasing the capacitance of the coplanar line. The air bridge pocket provides shielding for the capacitor structure. The disclosed manufacturing method includes producing a galvanic reinforcement of the center line of the coplanar line.
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: October 17, 1995
    Assignee: Daimler-Benz AG
    Inventors: Stefan Kosslowski, Ralf Bertenburg, Norbert H. L. Koster, Ingo Wolff