ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,847, issued on Nov. 11, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).
"Image sensor device and methods of formation" was invented by Kuo-Cheng Lee (Tainan, Taiwan), Ping-Hao Lin (Tainan, Taiwan), Yun-Wei Cheng (Taipei, Taiwan) and Bo-Ge Huang (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image sensor device may include a pixel sensor array and a black level correction (BLC) region. The BLC region may include a sensing region in a substrate and a light-blocking layer above the sensing region. An anti-reflection array may be formed in the light-blocking layer. The anti-reflection array includes hole...