Patents Examined by Blain Copenheaver
  • Patent number: 6294274
    Abstract: An object of the invention is to provide an oxide thin film which exhibits a widegap or transparency and p-type conductivity although it has heretofore been very difficult to form. The oxide thin film formed on a substrate contains copper oxide and strontium oxide as a main component and exhibits p-type conductivity at a bandgap of at least 2 eV.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: September 25, 2001
    Assignees: TDK Corporation
    Inventors: Hiroshi Kawazoe, Hideo Hosono, Atsushi Kudo, Hiroshi Yanagi