Patents by Inventor Alma E. Wickenden

Alma E. Wickenden 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).

  • Electronic devices grown on off-axis sapphire substrate
    Patent number: 6265089
    Abstract: An electronic device characterized by a 10-300 micron thick sapphire crystal substrate having a polished off a-plane growth surface, a 10-1000 angstrom thick nucleating layer disposed on the substrate for promoting film growth thereon, and a 0.1-10 micron thick semiconducting film disposed on the nucleating layer.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: July 24, 2001
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Mohammad Fatemi, Alma E. Wickenden, Daniel D. Koleske, Richard Henry, Mark Twigg