Patents by Inventor George A. Dainis, III

George A. Dainis, III 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).

  • Electrochemical etch system and method
    Patent number: 5480519
    Abstract: A method and apparatus for forming lead frames and eliminating irregularities in the edge (22) of openings etched in the sheet metal from which the lead frame is formed. In a first process, a photo resist coated metal sheet (36) is first etched by a photo chemical process to define the lead frame, and then the lead frame metal sheet (36) is etched in an electrochemical process to remove edge irregularities. In a second process, the entire lead frame is formed in an electrochemical process.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: January 2, 1996
    Assignee: Texas Instruments Incorporated
    Inventors: Donald C. Abbott, George A. Dainis, III, David W. West