ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,352, issued on Sept. 9, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).
"Two-dimensional vertical fins" was invented by Kangguo Cheng (Schenetady, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a two dimensional (2D) vertical fin is provided. The method includes heat treating a periodic array of irregular openings in a substrate, wherein there are walls of substrate material between adjacent openings, to reduce the surface area of the openings, and etching the openings with a crystal-plane selective etch to form squared openings in the substrate."
The patent was filed on Oct. 12, 2023, under Applicati...