Patents by Inventor Charyl L. Tytran

Charyl L. Tytran 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).

  • Method of external circuitization of a circuit panel
    Patent number: 5158645
    Abstract: A strippable thin film of Cu is applied above the surface features of a microelectronic circuit package to protect the features during mechanical working, for example drilling, the panel. The thin film is then stripped off of the panel. The thin film may be stripped off of the panel either prior to or after circuitization.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: October 27, 1992
    Assignee: International Business Machines, Inc.
    Inventors: Kathleen L. Covert, Charles C. Emmons, Elizabeth Foster, Richard W. Malek, Voya R. Markovich, Stephen L. Tisdale, Charyl L. Tytran