ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,232,255, issued on Feb. 18, was assigned to LG INNOTEK Co. LTD. (Seoul, South Korea).
"Circuit board" was invented by Yong Suk Kim (Seoul, South Korea) and Jeong Han Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit board according to an embodiment includes: an insulating portion including a plurality of insulating layers; a circuit pattern disposed on surfaces of the plurality of insulating layers; and a via passing through at least one insulating layer among the plurality of insulating layers; wherein the insulating portion includes: a first insulating portion including at least one insulating layer; a second insulating ...