Patents by Inventor Robert Thevenon

Robert Thevenon 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).

  • Display device comprising light-emissive diodes
    Patent number: 4387385
    Abstract: Display device comprising several electroluminescent semiconductor crystals 12 provided on a base 10 and which furthermore comprises a block 13 with apertures 14 which form light conductors and a filter 16 on the upper side, the base and the block being manufactured from the same thermoplastic material, internal electric connections consisting of layers of conductive thermosetting resin.Apparatus using display devices.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: June 7, 1983
    Assignee: U.S. Philips Corporation
    Inventors: Jacques C. Thillays, Robert Thevenon
  • Method of diffusing impurities in semiconductor bodies
    Patent number: 4124417
    Abstract: A method of diffusing doping impurities in semiconductor bodies by the transfer in the vapor phase from a source in a condensed form.The diffusion space is of the "half-open type" and a cold point is maintained in it at the end opposite to the location of the source which is placed near a restricted passage to the atmosphere surrounding the space.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: November 7, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Norbert Sirot, Robert Thevenon