Patents by Inventor Jurgen Gramss

Jurgen Gramss 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).

  • Patent number: 4468566
    Abstract: The invention relates to a digital circuit arrangement for control of a corpuscular beam in the procedure of structurizing areas by use of corpuscular irradiation devices operating with linearly extended multi-deflection systems, particularly for use in microlithography, constituted of a plurality of like circuit members for producing columns which contain figure edge points, each member including three triggers for storing edge course control signals indicative of the edge course, the three triggers output signals are combined in antivalence in the respective circuit member to yield an edge point signal. Furthermore, the circuit members are combined in a columnwise member arrangement in which the triggers form shift registers for a positive and negative shift direction.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: August 28, 1984
    Inventors: Hans-Gunther Eichhorn, Jurgen Gramss