US Patent Issued to TAIWAN SEMICONDUCTOR MANUFACTURING on Sept. 23 for "Self-aligned contact for embedded memory" (Taiwanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,492, issued on Sept. 23, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Self-aligned contact for embedded memory" was invented by Hung-Li Chiang (Hsinchu, Taiwan), Jer-Fu Wang (Hsinchu, Taiwan), Tzu-Chiang Chen (Hsinchu, Taiwan) and Meng-Fan Chang (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit device includes a first bit line structure that has a horizontal portion and a vertical portion in which an upper surface of the vertical portion is exposed for making electrical contact with a contact that, in turn, is in electrical contact with a metal pattern through which operatin...