ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,893, issued on March 4, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING Co. LTD. (Hsinchu, Taiwan).
"Image sensor device" was invented by Yun-Wei Cheng (Taipei, Taiwan), Chun-Hao Chou (Tainan, Taiwan) and Kuo-Cheng Lee (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a plurality of photodiode regions within a semiconductor substrate, a plurality of transistors, a plurality of deep trench isolation (DTI) structures, and a plurality of isolation structures. The transistors are over a front-side surface of the semiconductor substrate. The DTI structures extend a first depth from a backside surface of the semiconductor...