ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,741, issued on Aug. 25, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor data storage device including first and second stack structures with dummy structure therebetween and data storage system including the same" was invented by Donghoon Kwon (Suwon-si, South Korea), Chungki Min (Suwon-si, South Korea), Boun Yoon (Suwon-si, South Korea) and Kihoon Jang (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a source structure, first and second stack structures, including first gate electrodes stacked on the source structure to be spaced apart from each other; a dummy...