Patents by Inventor James Matthew Murduck

James Matthew Murduck 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).

  • Magnetically stabilized magnetic Josephson junction memory cell
    Patent number: 11024791
    Abstract: A memory cell is provided that comprises a first superconductor electrode, a second superconductor electrode, and a magnetic Josephson junction (MJJ) stack disposed between the first superconductor electrode and the second superconductor electrode. The MJJ stack includes a magnetic reference layer and a magnetic storage layer. The memory cell further comprises a magnetically stabilizing structure disposed between the MJJ stack and the second superconductor electrode, wherein the magnetic stabilizing structure magnetically couples with the magnetic reference layer to strengthen the fixed state of the magnetic reference layer.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: June 1, 2021
    Assignee: NORTHROP GRUMMAN SYSTEMS CORPORATION
    Inventors: James Matthew Murduck, Melissa G. Loving, Thomas F. Ambrose