Patents by Inventor Charles P. Judge

Charles P. Judge 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).

  • Semiconductor devices
    Patent number: 4968638
    Abstract: A method of manufacture of thin film, field-effect transistors formed on a transparent substrate and with transparent, conductive source and drain electrodes, uses initially deposited gate electrodes as a mask in association with photolithographic processing using radiation transmitted through the substrate and electrodes to minimize parasitic capacitance between the gate and source and drain electrodes.
    Type: Grant
    Filed: September 2, 1988
    Date of Patent: November 6, 1990
    Assignee: National Research Development Corporation
    Inventors: Stephen W. Wright, Charles P. Judge, Michael J. Lee