ALEXANDRIA, Va., May 26 -- United States Patent no. 12,641,861, issued on May 26, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING Co. LTD. (Hsinchu, Taiwan).

"Methods of reducing capacitance in field-effect transistors" was invented by Chun-Han Chen (Changhua County, Taiwan), Chen-Ming Lee (Taoyuan County, Taiwan), Fu-Kai Yang (Hsinchu City, Taiwan) and Mei-Yun Wang (Hsin-Chu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor structure includes a fin protruding from a substrate, a first and a second metal gate stacks disposed over the fin, and a dielectric feature defining a sidewall of each of the first and the second metal gate stacks. Furthermore, the dielectric feature includes a t...