ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,772,375, issued on Oct. 20, was assigned to SAMSUNG ELECTRO-MECHANICS Co. LTD. (Suwon-si, South Korea).

"Printed circuit board" was invented by Jin Uk Lee (Suwon-si, South Korea), Chi Hyeon Jeong (Suwon-si, South Korea) and Youn Gyu Han (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a printed circuit board including: an insulating layer; and a plurality of wiring layers disposed in the insulating layer, wherein the plurality of wiring layers include a first wiring layer, a second wiring layer disposed on the first wiring layer, and a third wiring layer disposed on the second wiring layer, the seco...