ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,935, issued on May 5, was assigned to HAESUNG DS Co. LTD (Gyeongsangnam-Do, South Korea).
"Reel-to-reel circuit board manufacturing apparatus" was invented by Chonghan Park (Gyeongsangnam-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reel-to-reel circuit board manufacturing apparatus according to an embodiment of the present disclosure includes: a roller having a cylindrical shape, configured to rotate, and on which a substrate is wound; and a film body that is formed between the roller and the substrate to surround a surface of the roller and is rotatable, wherein the roller and the film body are separately rotated from each other....