ALEXANDRIA, Va., July 7 -- United States Patent no. 12,677,413, issued on July 7, was assigned to UNITED MICROELECTRONICS CORP. (Hsin-Chu City, Taiwan).
"One-time programmable (OTP) semiconductor device" was invented by Yung-Chen Chiu (Tainan City, Taiwan), Chi-Horn Pai (Tainan City, Taiwan), Sheng-Yuan Hsueh (Tainan City, Taiwan), Kuo-Hsing Lee (Hsinchu County, Taiwan) and Chih-Kai Kang (Tainan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for fabricating a semiconductor device includes the steps of first providing a substrate comprising an one time programmable (OTP) device region, forming a shallow trench isolation (STI) in the substrate, removing part of the STI to form a first ste...