ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,638, issued on March 18, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Adhesive film" was invented by Kyosung Hwang (Seoul, South Korea), Yongsuk Yang (Hwaseong-si, South Korea), Ki-Sun Kim (Seoul, South Korea) and Gyu Jin Jung (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an adhesive film comprising an adhesive layer; a photothermal conversion layer containing a light absorber and a thermally decomposable resin; and an adhesive base film layer disposed between the adhesive layer and the photothermal conversion layer, wherein the adhesive base film layer contains a multi...