ALEXANDRIA, Va., June 9 -- United States Patent no. 12,290,004, issued on April 29, was assigned to UNITED MICROELECTRONICS CORP. (Hsin-Chu, Taiwan).
"Semiconductor device" was invented by Chih-Wei Kuo (Tainan, Taiwan) and Chia-Chang Hsu (Kaohsiung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes an array region defined on a substrate, a ring of dummy pattern surrounding the array region, and a gap between the array region and the ring of dummy pattern. Preferably, the ring of dummy pattern further includes a ring of magnetic tunneling junction (MTJ) pattern surrounding the array region and a ring of metal interconnect pattern overlapping the ring of MTJ and surrounding ...