ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,982, issued on Aug. 4, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).
"Semiconductor structure and manufacturing method thereof" was invented by Chuan-Pu Chou (Hsinchu, Taiwan), Chia-Tien Wu (Hsinchu, Taiwan), Hsin-Ping Chen (Hsinchu, Taiwan) and Wei-Chen Chu (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor structure is provided. The semiconductor structure includes a first dielectric layer, a first metal layer, a via, an air gap, an etching stop layer, a second dielectric layer, and a second metal layer. The first metal layer is embedded in the first dielectric layer. The first metal...