Patents Represented by Attorney, Agent or Law Firm George A. Kapp
  • 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