Patents Represented by Attorney D. R. Treacy

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  • Method of bonding crystal layers to insulating substrates
    Patent number: 4247352
    Abstract: A surface of an insulating substrate, if not wettable, is made wettable, then moistened with water and brought in intimate contact with a water soluble crystal layer, whereby a strong bond between the crystal and the substrate will result.
    Type: Grant
    Filed: November 29, 1976
    Date of Patent: January 27, 1981
    Assignee: North American Philips Corporation
    Inventors: Edward H. Stupp, Andrew A. Turnbull
  • Photocoupler device
    Patent number: 4237382
    Abstract: A photocoupler device with an insulating element comprising a shield situated perpendicularly to the optical axis of a light emitter and a receiver. The shield comprises a thermoplastic transparent material.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: December 2, 1980
    Assignee: U.S. Philips Corporation
    Inventor: Jacques C. Thillays