ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,804, issued on May 27, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).
"Back side signal routing in a circuit with a relay cell" was invented by Shih-Wei Peng (Hsinchu, Taiwan), Wei-Cheng Lin (Taichung, Taiwan) and Jiann-Tyng Tzeng (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methods for back side routing a data signal in a semiconductor device are described. In one example, a described semiconductor cell structure includes: a dummy device region at a front side of the semiconductor cell structure; a metal layer including a plurality of metal lines at a back side of the semiconduct...