Patents by Inventor Richard Jarocinski

Richard Jarocinski 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).

  • Exposure of photo resist
    Patent number: 4539070
    Abstract: A method and apparatus for limiting the interference caused by shadows of minute particles of opaque matter that settles on the surface of an assembly of a metal substrate, a resist and an overlay by placing a second glass overlay on top of the assembly to raise the surface to a level where the shadows of any particles resting there will be diffused.
    Type: Grant
    Filed: December 21, 1983
    Date of Patent: September 3, 1985
    Assignee: GTE Automatic Electric Incorporated
    Inventors: Richard Jarocinski, William R. Keaton, Joseph L. Magennis