Patents by Inventor Hannes Winkler

Hannes Winkler 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).

  • Publication number: 20210265168
    Abstract: A process for producing an electrical contact with a first metal layer and at least one second metal layer on a silicon carbide substrate includes removing at least some of the carbon residue by a cleaning process, to clean the first metal layer. The first metal layer and/or the at least one second metal layer may be generated by sputtering deposition.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Inventors: Stefan Krivec, Ronny Kern, Stefan Kramp, Gregor Langer, Hannes Winkler, Stefan Woehlert
  • Patent number: 11043383
    Abstract: A process for producing an electrical contact with a first metal layer and at least one second metal layer on a silicon carbide substrate includes removing at least some of the carbon residue by a chemical cleaning process, to clean the first metal layer. The first metal layer and/or the at least one second metal layer may be generated by sputtering deposition.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: June 22, 2021
    Assignee: Infineon Technologies AG
    Inventors: Stefan Krivec, Ronny Kern, Stefan Kramp, Gregor Langer, Hannes Winkler, Stefan Woehlert
  • Publication number: 20190362973
    Abstract: A process for producing an electrical contact with a first metal layer and at least one second metal layer on a silicon carbide substrate includes removing at least some of the carbon residue by a chemical cleaning process, to clean the first metal layer. The first metal layer and/or the at least one second metal layer may be generated by sputtering deposition.
    Type: Application
    Filed: May 24, 2019
    Publication date: November 28, 2019
    Inventors: Stefan Krivec, Ronny Kern, Stefan Kramp, Gregor Langer, Hannes Winkler, Stefan Woehlert