Patents by Inventor Bernd W. Fleischmann

Bernd W. Fleischmann 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).

  • Technique for mass production of coded surface acoustic wave devices
    Patent number: 5133990
    Abstract: A technique of providing numerous distinct conductive patterns on a piezoelectric substrate is accomplished using only two masking apparatus. One masking apparatus defines a common portion or structure for each of the patterns. The second masking apparatus defines numerous distinct patterns, each corresponding to a different alignment position with respect to the common structure already formed on the substrate. One application for this technique is in economic production of coded SAW devices which may serve as coding or decoding devices, filters, or correlators, each of the SAW devices having a different individual code.
    Type: Grant
    Filed: April 5, 1990
    Date of Patent: July 28, 1992
    Assignee: Crystal Technology, Inc.
    Inventors: Bernd W. Fleischmann, Donald R. Allen