ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,160, issued on June 24, was assigned to NITTO DENKO Corp. (Ibaraki, Japan).
"Method for dividing composite material" was invented by Toshihiro Kanno (Ibaraki, Japan), Satoshi Hirata (Ibaraki, Japan), Kota Nakai (Ibaraki, Japan) and Naoyuki Matsuo (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method is disclosed for dividing a composite material in which a brittle material layer and a resin layer are laminated, including: a resin removing step of irradiating the resin layer with a laser beam oscillated from a first laser source along a scheduled dividing line of the composite material to form a processing groove along the scheduled...