ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,574, issued on Dec. 9, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Semiconductor devices" was invented by Kyungsoo Kim (Hwaseong-si, South Korea) and Kyenhee Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device, includes: a substrate including active regions extending in a first direction; gate electrodes extending in a second direction, intersecting the active regions; source/drain regions disposed in regions in which the active regions are recessed; buried interconnection lines disposed in the substrate; a first lower contact plug penetrating through a portion of the substrate, and...