Patents by Inventor Richard A. Bredthauer

Richard A. Bredthauer 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).

  • Schottky barrier photodiode structure
    Patent number: 4875082
    Abstract: A Schottky barrier photodiode for detecting infrared radiation uses implantation of metal ions to form a metal silicide. An annular N+ type silicon guard ring is formed in a p-type silicon substrate. Metal ions are implanted into the exposed surface area of the silicon substrate surrounded by the silicon guard ring. The resulting structure is annealed to form a silicide of the implanted metal. A portion of the silicon substrate encircled by the silicon guard ring and above the metal silicide is removed. A thin oxide passivating layer is formed above the metal silicide.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: October 17, 1989
    Assignee: Ford Aerospace Corporation
    Inventor: Richard A. Bredthauer
  • Implantation method for forming Schottky barrier photodiodes
    Patent number: 4742017
    Abstract: A Schottky barrier photodiode for detecting infrared radiation uses implantation of metal ions to form a metal silicide. An annular N+ type silicon guard ring is formed in a p-type silicon substrate. Metal ions are implanted into the exposed surface area of the silicon substrate surrounded by the silicon guard ring. The resulting structure is annealed to form a silicide of the implanted metal. A portion of the silicon substrate encircled by the silicon guard ring and above the metal silicide is removed. A thin oxide passivating layer is formed above the metal silicide.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: May 3, 1988
    Assignee: Ford Aerospace Corporation
    Inventor: Richard A. Bredthauer