US Patent Issued to NEC on June 9 for "Quantum device and its manufacturing method" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,652,966, issued on June 9, was assigned to NEC Corp. (Tokyo).

"Quantum device and its manufacturing method" was invented by Tetsuro Sato (Tokyo) and Tsuyoshi Yamamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A quantum device (1) includes a plurality of first conductors (2), a plurality of second conductors (4), and a conductor layer (6). The first conductors (2), the second conductors (4), and the conductor layer (6) are formed of superconducting materials. An oxide film (8) is formed between the first conductors (2) and the second conductors (4). A Josephson junction (10) is formed by a part of one of the plurality of first conductors (2), ...