Patents by Inventor Gerald Gerard Advocate, Jr.

Gerald Gerard Advocate, Jr. 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).

  • Dry film resist removal in the presence of electroplated C4's
    Patent number: 5904156
    Abstract: A process for wet chemically stripping dry, thick film photoresists in semiconductor applications. This process includes contacting the silicon wafer with a stripping solution and agitating the solution. The process may be performed in a strip tank having a chemical stripping solution, and nitrogen or other inert gases may be provided through a pressurized tube to cause bubbling in the solution and to strip the wafer.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: May 18, 1999
    Assignee: International Business Machines Corporation
    Inventors: Gerald Gerard Advocate, Jr., Lisa A. Fanti, Henry Atkinson Nye, III