Patents by Inventor Margaret C. Blasingame

Margaret C. Blasingame 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).

  • High responsivity ultraviolet gallium nitride detector
    Patent number: 5278435
    Abstract: The invention is an Al.sub.x Ga.sub.1-x N ultraviolet detector with extremely high responsivity at over 200 to 365 nanometers and a very sharp long wavelength cutoff. The active layer for the sensors is a single crystal Al.sub.x Ga.sub.1-x N preferably deposited over a basal plane sapphire substrate using a switched atomic layer epitaxy process.
    Type: Grant
    Filed: June 8, 1992
    Date of Patent: January 11, 1994
    Assignee: APA Optics, Inc.
    Inventors: James M. Van Hove, Jon N. Kuznia, Donald T. Olson, Muhammad A. Kahn, Margaret C. Blasingame