ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,400,950, issued on Aug. 26, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING Co. LTD. (Hsinchu, Taiwan).

"Interconnect structure and methods thereof" was invented by Shang-Wen Chang (Hsinchu County, Taiwan) and Yi-Hsiung Lin (Hsinchu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and structure for forming a local interconnect, without routing the local interconnect through an overlying metal layer. In various embodiments, a first dielectric layer is formed over a gate stack of at least one device and a second dielectric layer is formed over a contact metal layer of the at least one device. In various embodiments, a selective et...