ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,226, issued on Oct. 7, was assigned to LG Chem Ltd. (Seoul, South Korea).
"Printed board" was invented by Yeon Seon Ahn (Daejeon, South Korea), Sung Jin Shin (Daejeon, South Korea), Je Hyuk Yoo (Daejeon, South Korea) and Tae Yong Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A printed board, a screen-printing ink, and a screen-printing method are provided. The printed board comprises a printed pattern and/or printed line which comprises a polymer binder and a fluorine-based surfactant, has excellent thickness uniformity and straightness, has no edge top defect, and is not damaged even when formed on a repeatedly folded subs...