ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,633, issued on April 21, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Image sensor with improved light conversion efficiency" was invented by Shih-Yu Liao (Hsinchu, Taiwan), Tsai-Hao Hung (Hsinchu, Taiwan) and Ying-Hsun Chen (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure describes a method for the formation of mirror micro-structures on radiation-sensing regions of image sensor devices. The method includes forming an opening within a front side surface of a substrate; forming a conformal implant layer on bottom and sidewall surfaces of the opening; growing a first epita...