Patents by Inventor Stefan Wohlert

Stefan Wohlert 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).

  • Semiconductor device
    Patent number: 7911061
    Abstract: A semiconductor device includes a carrier, a chip including a first face having a contact area, where the chip is attached to the carrier such that the contact area faces away from the carrier, a copper connector configured for attachment to the contact area, and a solder material configured to couple the copper connector to the contact area.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: March 22, 2011
    Assignee: Infineon Technologies AG
    Inventors: Manfred Schneegans, Markus Leicht, Stefan Wohlert, Edmund Riedl