US Patent Issued to Taiwan Semiconductor Manufacturing on March 31 for "Techniques for grating coupler and edge coupler integration" (Taiwanese, American Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,095, issued on March 31, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Techniques for grating coupler and edge coupler integration" was invented by Hau-Yan Lu (Hsinchu, Taiwan), Wei-Kang Liu (Taichung, Taiwan) and Yingkit Felix Tsui (Cupertino, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments relate to an integrated chip (IC) including a handle substrate; a semiconductor layer comprising a grating coupler region and an edge coupler region; an insulative layer between the handle substrate and the semiconductor layer; a grating coupler in the grating coupler region comprising a plurality of tren...