ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,582, issued on July 1, was assigned to Song Nuo Meng Technology Co. Ltd. (Changsha, China).

"Nano film composite strain sensor, preparation method therefor and use thereof" was invented by Weiwu Lei (Changsha, China), Chengyi Xu (Changsha, China), Jian Xu (Changsha, China), Sufu Liu (Changsha, China) and Penghui Zeng (Changsha, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a nano film composite strain sensor, a preparation method therefor and a use thereof, and relates to the technical field of sensors. The sensor includes a substrate layer, where the surface of the substrate layer is provided with a transition ...