US Patent Issued to Taiwan Semiconductor Manufacturing on July 1 for "Checkerboard dummy design for epitaxial open ratio" (Taiwanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,349,454, issued on July 1, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Checkerboard dummy design for epitaxial open ratio" was invented by Yu-Chang Jong (Hsinchu, Taiwan), Yi-Huan Chen (Hsin Chu, Taiwan), Chien-Chih Chou (New Taipei, Taiwan), Tsung-Chieh Tsai (Chu-Bei, Taiwan), Szu-Hsien Liu (Zhubei, Taiwan), Huan-Chih Yuan (Zhubei, Taiwan) and Jhu-Min Song (Nantou, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments relate to an integrated chip structure. The integrated chip structure includes a substrate having a first device region and a second device region. A plurality of first transistor device...