Patents Assigned to Semi-Elements, Inc.
  • Patent number: 3971870
    Abstract: This patent discloses a method for making junction-type semiconductor devices in which dopant is introduced into a wafer from a prefabricated source film.
    Type: Grant
    Filed: January 24, 1974
    Date of Patent: July 27, 1976
    Assignees: Semi-Elements, Inc., Solitron Devices, Inc.
    Inventors: Ralph W. Christensen, Everett C. Smith, George Tibol