ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,702, issued on April 7, was assigned to SAMSUNG ELECTRO-MECHANICS Co. LTD. (Suwon-si, South Korea).
"Printed circuit board" was invented by Jin Young Choi (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A printed circuit board includes an insulating layer having first and second surfaces opposite to each other with respect to a first direction; a via hole penetrating a region between the first and second surfaces; a first conductor layer including a first contact portion in contact with the first surface and a first non-contact portion protruding from the first contact portion and disposed on the via hole with respect to a seco...