ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,864, issued on July 14, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor device" was invented by Yoo Ri Sung (Suwon-si, South Korea), Ju Youn Kim (Suwon-si, South Korea), Myung Soo Seo (Suwon-si, South Korea) and Ki Hwan Lee (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a substrate that includes a first region and a second region, a first active pattern on the first region and that extends in a first horizontal direction, a second active pattern on the second region and that extends in the first horizontal direction, a first etch stop layer on the first ac...