ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,104, issued on March 18, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Semiconductor device and method of manufacture" was invented by Chia-Ching Lee (New Taipei, Taiwan), Hsin-Han Tsai (Hsinchu, Taiwan), Shih-Hang Chiu (Taichung, Taiwan), Tsung-Ta Tang (Hsinchu, Taiwan), Chung-Chiang Wu (Taichung, Taiwan), Hung-Chin Chung (Pingzhen, Taiwan), Hsien-Ming Lee (Changhua, Taiwan), Da-Yuan Lee (Jhubei, Taiwan), Jian-Hao Chen (Hsinchu, Taiwan), Chien-Hao Chen (Chuangwei Township, Taiwan), Kuo-Feng Yu (Zhudong Township, Taiwan), Chia-Wei Chen (Hsinchu, Taiwan) and Chih-Yu Hsu (Xinfeng Township, Taiwan).

According to the abstract* released by the U.S. P...