Patents by Inventor Christoph Schulz

Christoph Schulz 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).

  • Process and device for determining the magnetic characteristics of thin magnetic layers
    Patent number: 5917321
    Abstract: A process is presented for the direct determination of characteristic magnetic values of thin magnetizable layers, in which an element creating a magnetic field creates the magnetization of a part surface in such a way that the thin magnetizable layer, the element creating the magnetic field, and a magnetic field sensor are located in a relative position of rest to one another. The magnetic field sensor is then positioned opposite the magnetized part surface by a relative movement of the element creating the magnetic field, the magnetic field sensor, and the thin magnetic layer. During the subsequent measurement of the magnetization of the part surface, the thin magnetic layer, the element creating the magnetic field, and the magnetic field sensor are in a relative position of rest to one another.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: June 29, 1999
    Assignee: International Business Machines Corporation
    Inventors: Peter Pokrowsky, Heinz Lehr, Hans-Joachim Hartmann, Christoph Schulz