Patents by Inventor Sergio A. R. Gutierrez

Sergio A. R. Gutierrez 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 and printed circuit boards and packages made therewith
    Patent number: 4882245
    Abstract: A photocurable composition which is useful as a permanent resist in the manufacture of printed circuit boards and packages of such boards comprises a multifunctional epoxidized resin, a reactive diluent, a cationic photoinitiator and, optionally, an exposure indicator, a coating aid and a photosensitizer.
    Type: Grant
    Filed: June 12, 1987
    Date of Patent: November 21, 1989
    Assignee: International Business Machines Corporation
    Inventors: Jeffrey D. Gelorme, Robert J. Cox, Sergio A. R. Gutierrez