ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,645, issued on June 3, was assigned to UNITED MICROELECTRONICS CORP. (Hsin-Chu, Taiwan).
"Method for fabricating physically unclonable function device" was invented by Ping-Chia Shih (Tainan, Taiwan), Che-Hao Kuo (Tainan, Taiwan), Ssu-Yin Liu (Kaohsiung, Taiwan), Ching-Hua Yeh (Tainan, Taiwan) and I-Hsin Sung (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for fabricating a physically unclonable function (PUF) device includes the steps of first defining a PUF cell region on a substrate and then performing a process to form a defect on the PUF cell region. Preferably, the formation of the defect could be accomplished by forming...