Patents by Inventor Frank P. Missell

Frank P. Missell 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 and system for reducing thermal pole tip protrusion
    Patent number: 6909578
    Abstract: A method and system for providing head is disclosed. The method and system include providing a first pole, a second pole, a write gap, at least one coil and an Fe3Pt alloy. The write gap separates the first pole from the second pole. The first and second poles are for writing to a medium. The coil(s) have a plurality of turns and reside between the roles. The Fe3Pt alloy is in proximity to the first pole and the second pole. The Fe3Pt alloy is configured to counteract expansion of the first pole and the second pole.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: June 21, 2005
    Assignee: Western Digital (Fremont), Inc.
    Inventors: Frank P. Missell, David J. Seagle, Sandrawattie Sankar, Kenneth F. Young