ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,429, issued on Jan. 27, was assigned to SHENNAN CIRCUITS Co. LTD. (Shenzhen, China).
"Resistor-embedded circuit board and method for processing the resistor-embedded circuit board" was invented by Ke Leng (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A resistor-embedded circuit board and a method for processing the resistor-embedded circuit board are provided by the present disclosure. By opening an embedded-resistor cavity on a substrate, embedding a resistor into the embedded-resistor cavity to acquire a circuit board containing a built-in resistor. By opening the embedded-resistor cavity, it is very easy to realize high-precisio...