ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,912, issued on July 21, was assigned to University of Northern Iowa Research Foundation (Cedar Falls, Iowa).

"Thin metal films having an ultra-flat surface and methods of preparing the same" was invented by Andrew Stollenwerk (Cedar Falls, Iowa) and Timothy Kidd (Cedar Falls, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates generally to thin metal films having an ultra-flat surface and methods of their preparation. In particular, the ultra-flat thin metal films comprise FCC metals. Preferably, the thin metal films are attached to a substrate. Preferred substrates comprise chalcogenides and dichalcogenides. Beneficia...