Patents by Inventor Mats T. Rask

Mats T. Rask 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).

  • Tungsten and tantalum diffusion barriers for Metal-In-Gap magnetic heads
    Patent number: 5001589
    Abstract: A Metal-In-Gap (MIG) ferrite magnetic head has a ferrite core with a layer of high magnetic moment material (such as Sendust) deposited on one or both of the core faces. A thin barrier layer of tungsten or tantalum is positioned between the ferrite and the high magnetic moment material.
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: March 19, 1991
    Assignee: Seagate Technology, Inc.
    Inventors: Mats T. Rask, Leroy L. Longworth