ALEXANDRIA, Va., July 30 -- United States Patent no. 12,376,407, issued on July 29, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Image sensor" was invented by Sang-Hoon Kim (Seongnam-si, South Korea), Jinju Jeon (Suwon-si, South Korea) and Heegeun Jeong (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image sensor may include a substrate including first and second surfaces opposite to each other and including a single crystalline layer, a first epitaxial layer, and a second epitaxial layer sequentially stacked from the second surface. The single crystalline layer and the second epitaxial layer may be doped with first impurities of a first conductivity type. T...