ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,065, issued on Dec. 2, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).
"Fabrication method of semiconductor structure" was invented by Chin-Shan Wang (Hsinchu, Taiwan) and Shun-Yi Lee (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes forming parallel first and second dummy materials in an alternating manner. The method further includes etching portions of the first and second dummy materials, using respective selective etches, to form a plurality of gaps. The method further includes filling a first gap of the plurality of gaps with a dielectric material. The method further includes fi...