ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,433,052, issued on Sept. 30, was assigned to Powerchip Semiconductor Manufacturing Corp. (Hsinchu, Taiwan).
"Image sensor structure" was invented by Shih-Ping Lee (Hsinchu, Taiwan), Chih-Ping Chung (Hsinchu, Taiwan) and Jhih Fan Tu (Hsinchu County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image sensor structure including a substrate, a pixel structure, and a deep trench isolation (DTI) structure is provided. The substrate includes a first side and a second side opposite to each other. The pixel structure includes a transfer transistor, a light sensing device, and a floating diffusion region. The transfer transistor includes a first gate...