ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,543,261, issued on Feb. 3, was assigned to Micron Technology Inc. (Boise, Idaho).
"Solder mask fault fiber optics sensor" was invented by Chan H. Yoo (Boise, Idaho), James M. Derderian (Boise, Idaho), Walter L. Moden (Boise, Idaho) and Christopher Glancey (Boise, Idaho).
According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the present disclosure configure a processor to detect faults in a printed circuit board (PCB) solder mask using an optical waveguide. The processor directs an optical beam to an input of one or more optical waveguides embedded in a protective coating layer of a PCB, the protective coating layer being adjacent to one or more traces ...