Patents by Inventor Philip A. Seese

Philip A. Seese 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).

  • Electron beam/optical hybrid lithographic resist process in acoustic wave devices
    Patent number: 4612274
    Abstract: A method is disclosed for using a combination of electron beam and photo lithography in making a acoustic wave device. The process is preformed by first using a positive photoresist and electron beam writing to designate the fine lines required in acoustic wave devices. Next, a second photoresist and optical lithography are used to delineate the pad areas.
    Type: Grant
    Filed: November 18, 1985
    Date of Patent: September 16, 1986
    Assignee: Motorola, Inc.
    Inventors: Frederick Y. Cho, John R. Joseph, Philip A. Seese