ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,934, issued on Sept. 30, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Semiconductor memory device" was invented by Yong Jae Lee (Suwon-si, South Korea) and Seul Ji Song (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes a substrate, a first electrode on the substrate, a second electrode on the first electrode, an OTS film between the first electrode and the second electrode, and an electrode spacer film disposed on a part of a side wall of the OTS film, wherein the OTS film includes a first surface that is in contact with the first electrode, a second surface that i...