Patents by Inventor Mattanjah Sjim'on de Vries

Mattanjah Sjim'on de Vries 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).

  • Magnetic recording disk having a contiguous fullerene film and a protective overcoat
    Patent number: 5374463
    Abstract: A film comprising fullerene molecules or their derivatives, preferably C.sub.60 or C.sub.70 fullerene molecules, is used as a lubricating film between two bearing surfaces. In a particular embodiment, a data recording disk file with the film deposited on the disk surface has improved properties of static friction and wear resistance at the head-disk interface.
    Type: Grant
    Filed: October 22, 1991
    Date of Patent: December 20, 1994
    Assignee: International Business Machines Corporation
    Inventors: Donald S. Bethune, Mattanjah Sjim'on de Vries, Gerard Meijer, Vlad J. Novotny, Timothy C. Reiley, Anthony W. Wu