ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,251, issued on April 15, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Image sensor" was invented by Dongyoung Jang (Hwaseong-si, South Korea), Seokho Kim (Hwaseong-si, South Korea) and Eungkyu Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image sensor includes a sensor chip and a logic chip. The sensor chip includes a first substrate, an upper bonding layer, a first wiring layer, and the logic chip includes a second substrate, a lower bonding layer, a second wiring layer. The upper and lower bonding layers contact each other, with the upper bonding layer including an upper dielectric layer, an upp...