Patents by Inventor Richard M. Wallach

Richard M. Wallach 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).

  • Photo-anodic oxide surface passivation for semiconductors
    Patent number: 5086328
    Abstract: A method is disclosed for passivating infrared detector arrays 50. A wafer 48 of indium antimonide (InSb) is subjected an anodization process while being illuminated by a bright incandescent lamp 66. In one embodiment, the photo-anodized layer 72 is used in an array 50 to passivate implanted diode regions 76,78 on the front side thereof, while employing an antireflective coating 74 on the backside anodized surface 70.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: February 4, 1992
    Assignee: Santa Barbara Research Center
    Inventors: Ichiro Kasai, Richard M. Wallach, Bonnie A. Baumgratz, Michael E. Boyd