Patents by Inventor Richard E. Hemmer

Richard E. Hemmer 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).

  • Patent number: 5135630
    Abstract: A solid state light modulator structure useful in a video display system includes a deformable silicon containing gel layer on an array of charge storage elements, and an adherent, highly light reflective metal (e.g., Ag) electrode layer formed directly on the surface of the gel layer by sputtering in a non-reactive atmosphere.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: August 4, 1992
    Assignee: North American Philips Corporation
    Inventors: Efim S. Goldburt, Richard E. Hemmer, James K. McKinlay, Robert L. Bronnes
  • Patent number: 5004625
    Abstract: A solid state light modulator structure useful in a video display system includes a deformable silica containing gel layer on an array of charge storage elements, and an adherent, highly light reflective metal (e.g., Ag) electrode layer formed on the surface of the gel layer by evaporation, following treatment of the gel surface in an oxygen-containing plasma.
    Type: Grant
    Filed: May 3, 1988
    Date of Patent: April 2, 1991
    Assignee: North American Philips Corporation
    Inventors: Efim S. Goldburt, Richard E. Hemmer
  • Patent number: 4900136
    Abstract: A solid state light modulator structure useful in a video display system includes a deformable silica containing gel layer on an array of charge storage elements, and an adherent, highly light reflective metal (e.g., Ag) electrode layer formed directly on the surface of the gel layer by sputtering in a non-reactive atmosphere.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: February 13, 1990
    Assignee: North American Philips Corporation
    Inventors: Efim S. Goldburt, Richard E. Hemmer, James K. McKinlay, Robert L. Bronnes
  • Patent number: 4857978
    Abstract: A solid state light modulator structure useful in a video display system includes a deformable silica containing gel layer on an array of charge storage elements, and an adherent, highly light reflective metal (e.g., Ag) electrode layer formed on the surface of the gel layer by evaporation, following treatment of the gel surface in an oxygen-containing plasma.
    Type: Grant
    Filed: August 11, 1987
    Date of Patent: August 15, 1989
    Assignee: North American Philips Corporation
    Inventors: Efim S. Goldburt, Richard E. Hemmer