Patents by Inventor Joseph F. Wise

Joseph F. Wise 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).

  • Wedged channel vertical junction silicon solar cell
    Patent number: 4420650
    Abstract: An improved vertical junction solar cell is provided which comprises a thin single-crystalline silicon chip having on one surface thereof a plurality of short channels etched therein in a desired array, the length l of the channels being related to the depth d of the channels by a relationship approximating d=l/2.sqroot.3. The resulting structure provides improved light utilization at end-of-life condition, conversion efficiency, mechanical strength and radiation resistance.
    Type: Grant
    Filed: March 9, 1982
    Date of Patent: December 13, 1983
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Joseph F. Wise, James F. Holt