ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,087, issued on Nov. 4, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING Co. LTD. (Hsinchu, Taiwan).

"FinFET circuit devices with well isolation" was invented by Chih-Chuan Yang (Hsinchu, Taiwan) and Chang-Ta Yang (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes receiving a structure that includes a substrate including a first well region having a first dopant type and a second well region having a second dopant type that is opposite to the first dopant type; and fins extending above the substrate. The method further includes forming a patterned etch mask on the structure, wherein the patterned etch mask provides an ...