ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,578, issued on June 10, was assigned to Agency for Science, Technology and Research (Singapore).
"Sub-mm flat lens fabrication" was invented by Jinghua Teng (Singapore), Xin Cai Wang (Singapore), Xiaosong Eric Tang (Singapore), Guang Hui Paul Lim (Singapore), Jie Deng (Singapore), Kai Dong Ye (Singapore) and Soo Seng Norman Ang (Singapore).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of fabricating an optical lens disclosed herein includes forming a layer of a flat lens structure on a front surface of a substrate, depositing a protective metal layer on the layer of the flat lens structure and on a back surface of the substrate, wherein the...