Patents by Inventor William E. Smith, deceased

William E. Smith, deceased 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).

  • Glass-ceramic dopant host for vapor phase transport of B.sub.2 O.sub.3
    Patent number: 3997351
    Abstract: Disclosed is a method for diffusion doping of silicon and germanium semiconductors by the vapor phase transport of B.sub.2 O.sub.3 from a solid B.sub.2 O.sub.3 source to the silicon semiconductor, wherein the solid B.sub.2 O.sub.3 source comprises a rigid, dimensionally stable, glass-ceramic body containing at least about 10 mole percent of B.sub.2 O.sub.3 in the glassy phase, the crystalline phase, or both.
    Type: Grant
    Filed: June 18, 1975
    Date of Patent: December 14, 1976
    Assignee: Owens-Illinois, Inc.
    Inventors: Peter J. Vergano, William E. Smith, deceased