ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,180, issued on July 28, was assigned to HongQiSheng Precision Electronics (QinHuangDao) Co. Ltd. (Qinhuangdao, China), Avary Holding (Shenzhen) Co. Ltd. (Shenzhen, China) and GARUDA TECHNOLOGY Co. LTD. (New Taipei, Taiwan).

"Circuit board and manufacturing method thereof" was invented by Chih-Chieh Fu (New Taipei, Taiwan) and Yu-Jia Men (Qinhuangdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a circuit board and a manufacturing method thereof. The manufacturing method includes: providing a stacked board; the stacked board includes a third conducting circuit, a second substrate, a first conducting circuit, a...