ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,488, issued on March 18, was assigned to Unimicron Technology Corp. (Taoyuan, Taiwan).
"Circuit board structure" was invented by Chih-Chiang Lu (New Taipei, Taiwan), Jun-Rui Huang (Tainan, Taiwan), Ming-Hao Wu (Taoyuan, Taiwan) and Tung-Chang Lin (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a circuit board structure including a substrate, a loop-wrapping ground layer, an insulating structure, a first build-up layer, a top wiring layer, a bottom wiring layer, a first conductive via, and a plurality of second conductive vias. The aforementioned structure defines a signal transmitting structure. An equivalent circuit of ...