ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,635, issued on Jan. 27, was assigned to Snap Inc. (Santa Monica, Calif.).
"Thin film layers having non-uniform thicknesses" was invented by Alexander Drayton (Abingdon, Great Britain), Marcell Kiss (Didcot, Great Britain), Parashara Panduranga (Banbury, Great Britain), Jamie Dean Reynolds (Abingdon, Great Britain) and Cheng Shi (Didcot, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a thin film stack deposited on a substrate, a first layer can have a non-uniform thickness. A second layer, disposed so that the first layer is between the substrate and the second layer, can have a non-uniform thickness. A first pattern can be formed on...