Patents by Inventor Samuel L. Hughey

Samuel L. Hughey 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).

  • Method of making zero temperature coefficient of resistance resistors
    Patent number: 4579600
    Abstract: Polysilicon resistors and integrated circuits are brought to zero or positive temperature coefficient (TCR) by a combination of laser annealing and ionic hydrogen plasma treatment.
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: April 1, 1986
    Assignee: Texas Instruments Incorporated
    Inventors: Rajiv Shah, Samuel L. Hughey