Patents by Inventor Donald C. Abbott

Donald C. Abbott 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).

  • Silver spot/palladium plate lead frame finish
    Patent number: 5384155
    Abstract: The invention is to a method of spot plating parts of a plated semiconductor lead frame. The entire lead frame is first plated. Then parts of the lead frame, internal to the subsequent encapsulating package, are spot plated prior to encapsulating the semiconductor device. A spot of silver is plated in the mount and/or bond area of the lead frame.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: January 24, 1995
    Assignee: Texas Instruments Incorporated
    Inventors: Donald C. Abbott, Robert M. Fritzsche
  • Semiconductor lead frame lead stabilization
    Patent number: 5352633
    Abstract: The invention is to an apparatus and method for applying a plastic material to a lead frame for stabilizing the leads and retaining them in a common plane.
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: October 4, 1994
    Assignee: Texas Instruments Incorporated
    Inventor: Donald C. Abbott
  • Method of forming a coated plastic package
    Patent number: 5302553
    Abstract: The invention is to a semiconductor package and the method of making the package. A moisture resistant coating such as a ceramic, silica or other plastic material is applied over a plastic packaged semiconductor device to seal the package from moisture.
    Type: Grant
    Filed: October 4, 1991
    Date of Patent: April 12, 1994
    Assignee: Texas Instruments Incorporated
    Inventors: Donald C. Abbott, Raymond A. Frechette
  • Stabilizer/spacer for semiconductor device lead frames
    Patent number: 5268331
    Abstract: The invention is to a method for plasma spraying a ceramic or plastic material on selected areas of leads to form stabilizer/spacers for the leads.
    Type: Grant
    Filed: January 7, 1992
    Date of Patent: December 7, 1993
    Assignee: Texas Instruments Incorporated
    Inventor: Donald C. Abbott
  • Method of making a thin film solar cell
    Patent number: 5264376
    Abstract: A method is provided of making a thin film solar cell comprising depositing solar cell material on a substrate using an ionized gas stream for transporting and applying solar cell material to the substrate.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: November 23, 1993
    Assignee: Texas Instruments Incorporated
    Inventors: Donald C. Abbott, Bawa S. Mohendra, Raymond A. Frechette