Patents by Inventor Bernd Schottker

Bernd Schottker 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).

  • Method of growing nitrogenous semiconductor crystal materials
    Patent number: 7473316
    Abstract: What is described here is a process for the initial growth of nitrogenous semiconductor crystal materials in the form AXBYCZNVMW wherein A, B, C is an element of group II or III, N is nitrogen, M represents an element of group V or VI, and X, Y, Z, W denote the molar fraction of each element of this compound, using a, which are deposited on sapphire, SiC or Si, using various ramp functions permitting a continuous variation of the growth parameters during the initial growth.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: January 6, 2009
    Assignee: Aixtron AG
    Inventors: Bernd Schottker, Michael Heuken, Holger Jürgensen, Gerd Strauch, Bernd Wachtendorf