Patents by Inventor Donald L. Overmyer

Donald L. Overmyer 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).

  • Efficient growth of HTS films with volatile elements
    Patent number: 5851955
    Abstract: A system for applying a volatile element-HTS layer, such as Tl-HTS, to a substrate in a multiple zone furnace, said method includes heating at higher temperature, in one zone of the furnace, a substrate and adjacent first source of Tl-HTS material, to sublimate Tl-oxide from the source to the substrate; and heating at lower temperature, in a separate zone of the furnace, a second source of Tl-oxide to replenish the first source of Tl-oxide from the second source.
    Type: Grant
    Filed: July 1, 1997
    Date of Patent: December 22, 1998
    Assignee: Sandia Corporation
    Inventors: Michael P. Siegal, Donald L. Overmyer, Frank Dominguez