ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,507,391, issued on Dec. 23, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Semiconductor device" was invented by Juseong Oh (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a substrate; lower electrodes on the substrate; a dielectric layer on the lower electrodes; an upper electrode on the dielectric layer; a contact structure connected to the upper electrode; and a wiring layer on the contact structure, wherein the contact structure includes a lower plug, and an upper plug on the lower plug, an upper surface of the lower plug is substantially coplanar with an upper surface of ...