US Patent Issued to International Business Machines on Oct. 6 for "Alignment mark for back side power connections" (New York Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,757,704, issued on Oct. 6, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Alignment mark for back side power connections" was invented by Tao Li (Slingerlands, N.Y.), Ruilong Xie (Niskayuna, N.Y.), Chih-Chao Yang (Glenmont, N.Y.) and David Wolpert (Poughkeepsie, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device is provided. The semiconductor device includes a first source/drain of a first semiconductor device, and a second source/drain of a second semiconductor device. The semiconductor device further includes a source/drain contact adjoining a first side of the first source/drain, a frontside via adjoinin...