ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,633, issued on Feb. 17, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Multiple critical dimension power rail" was invented by Tao Li (Slingerlands, N.Y.), Liqiao Qin (Albany, N.Y.), Ruilong Xie (Niskayuna, N.Y.) and Kisik Choi (Watervliet, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments disclosed herein include a semiconductor structure. The semiconductor structure may include a first transistor device on a substrate, a second transistor device on the substrate, and a power rail between the first transistor device and the second transistor device. The power rail may include a first section with a first critic...