Patents by Inventor Judy B. Dorn

Judy B. Dorn 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).

  • Photoresist composition including polyalkylmethacrylate co-polymer of polyhydroxystyrene
    Patent number: 5561194
    Abstract: A polyalkylmethacrylate co-polymer of polyhydroxystyrene has been found to be an ideal blending partner in a novolak photoresist composition. The preferred co-polymer is poly(p-hydroxystyrene)-co-(methyl methacrylate). The co-polymer is fully miscible with novolaks and has a high thermal stability (>150.degree. C.).
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: October 1, 1996
    Assignee: International Business Machines Corporation
    Inventors: Kathleen M. Cornett, Judy B. Dorn, Margaret C. Lawson, Leo L. Linehan, Wayne M. Moreau, Randolph J. Smith, Gary T. Spinillo