US Patent Issued to Taiwan Semiconductor Manufacturing on June 3 for "Post-routing congestion optimization" (Taiwanese Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,682, issued on June 3, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Post-routing congestion optimization" was invented by Ching Hsu (Zhubei, Taiwan), Heng-Yi Lin (Taichung, Taiwan) and Yi-Lin Chuang (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes: identifying a first design rule check (DRC) violation in a cluster box on an integrated circuit layout; locating a first target cell at a first original location in the cluster box, the first target cell being connected to the first DRC violation; detecting a first plurality of candidate locations for the first target cell in the cluster bo...