US Patent Issued to Applied Materials on June 3 for "Pixel classification of film non-uniformity based on processing of substrate images" (California Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,659, issued on June 3, was assigned to Applied Materials Inc. (Santa Clara, Calif.).

"Pixel classification of film non-uniformity based on processing of substrate images" was invented by Dominic J. Benvegnu (La Honda, Calif.) and Nojan Motamedi (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of classification of a film non-uniformity on a substrate includes obtaining a color image of a substrate with the color image comprising a plurality of color channels, obtaining a standard color for the color image of the substrate, for each respective pixel along a path in the color image determining a difference vector between the a ...