ALEXANDRIA, Va., July 21 -- United States Patent no. 12,690,443, issued on July 21, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).
"Self-aligned backside contact with increased contact area" was invented by Ruilong Xie (Niskayuna, N.Y.), Kisik Choi (Watervliet, N.Y.), Junli Wang (Slingerlands, N.Y.), Somnath Ghosh (Clifton Park, N.Y.), Julien Frougier (Albany, N.Y.), Min Gyu Sung (Latham, N.Y.), Theodorus E. Standaert (Clifton Park, N.Y.), Nicolas Jean Loubet (Guilderland, N.Y.) and Huiming Bu (Glenmont, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A first and a second source drain region, an upper source drain contact connected to the first source drain region, a bottom source ...