Patents by Inventor Ulrich Krumbien

Ulrich Krumbien 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).

  • Membrane Support for Dual Backplate Transducers
    Publication number: 20230002219
    Abstract: A microfabricated structure includes a perforated stator; a first isolation layer on a first surface of the perforated stator; a second isolation layer on a second surface of the perforated stator; a first membrane on the first isolation layer; a second membrane on the second isolation layer; and a pillar coupled between the first membrane and the second membrane, wherein the first isolation layer includes a first tapered edge portion having a common surface with the first membrane, wherein the second isolation layer includes a first tapered edge portion having a common surface with the second membrane, and wherein an endpoint of the first tapered edge portion of the first isolation layer is laterally offset with respect to an endpoint of the first tapered edge portion of the second isolation layer.
    Type: Application
    Filed: September 15, 2022
    Publication date: January 5, 2023
    Inventors: Wolfgang Klein, Evangelos Angelopoulos, Stefan Barzen, Marc Fueldner, Stefan Geissler, Matthias Friedrich Hermann, Ulrich Krumbien, Konstantin Tkachuk, Giordano Tosolini, Juergen Wagner