ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,101, issued on Oct. 14, was assigned to TAIYO HOLDINGS Co. LTD. (Saitama-ken, Japan).
"Cured coating film" was invented by Nobuyuki Yanagida (Saitama-ken, Japan), Kazuya Sato (Saitama-ken, Japan), Mariko Shimamiya (Saitama-ken, Japan) and Yasuaki Arai (Saitama-ken, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A matte-like cured coating film of a curable resin composition is provided on a substrate such as a wiring board, in which scratches are unnoticeable. The cured coating film satisfies Gs (20deg)less than equal to5 and Gs (85deg)less than=35 and has a ratio R represented by the formula R={Gs (85deg)/Gs (60deg}/{Gs (60deg)/Gs (20deg)} ran...