ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,174, issued on Sept. 1, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Three-dimensional semiconductor memory device with dummy plug and electronic system including the same" was invented by Joonyoung Kwon (Suwon-si, South Korea), Jiyoung Kim (Suwon-si, South Korea), Woosung Yang (Suwon-si, South Korea) and Sukkang Sung (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional semiconductor memory device may include a first substrate, a peripheral circuit structure on the first substrate, the peripheral circuit structure including first bonding pads in an upper portion of the peripheral circuit...