ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,533, issued on Aug. 12, was assigned to ZTE Corp. (Shenzhen, China).
"Printed circuit board" was invented by Changgang Yin (Shenzhen, China), Zhongmin Wei (Shenzhen, China), Bi Yi (Shenzhen, China) and Yonghui Ren (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a circuit technology, and discloses a printed circuit board, including: a board body portion comprising a plurality of core boards and a plurality of dielectric layers, the plurality of core boards including a plurality of conductor layers, and the plurality of conductor layers including a differential signal transmission layer located on a s...