ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,550,626, issued on Feb. 10, was assigned to Tencent Technology (Shenzhen) Co. Ltd. (Shenzhen, China).
"Method for preparing josephson junction and production line device" was invented by Kunliang Bu (Guangdong, China), Wenlong Zhang (Guangdong, China) and Dengfeng Li (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and device for preparing a Josephson junction are provided. The method includes: preparing a photoresist film layer comprising an undercut structure on a substrate, the undercut structure comprising a first strip-shaped opening and a second strip-shaped opening; performing, at a first angle, evaporation on the photore...