Patents by Inventor William H. Brixius

William H. Brixius 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).

  • Three inch silicon carbide wafer with low warp, bow, and TTV
    Patent number: 7422634
    Abstract: A high quality single crystal wafer of SiC is disclosed. The wafer has a diameter of at least about 3 inches, a warp of less than about 5 ?m, a bow less than about 5 ?m, and a total thickness variation of less than about 2.0 ?m.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: September 9, 2008
    Assignee: Cree, Inc.
    Inventors: Adrian Powell, William H. Brixius, Robert Tyler Leonard, Davis Andrew McClure, Michael Laughner