ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,069, issued on Sept. 9, was assigned to UNISERS LTD (Zurich).
"Method for determining the size of particles" was invented by Fabian Walter (Zurich), Ali Ozhan Altun (Zurich) and Timo Stefan Schneider (Zurich).
According to the abstract* released by the U.S. Patent & Trademark Office: "Method including providing a substrate having a non-metallic surface with particles on the surface; depositing a layer of metal on the surface and the particles, so that each particle and an area of the surface without particles has a layer of metal, wherein, each particle has a gap between metal on that particle and metal on the surface; illuminating metal with electromagnetic rays, so that rays a...