US Patent Issued to NANJING TALIANG TECHNOLOGY on Feb. 24 for "Optical system for measuring the depth of an inner layer of a printed circuit board" (Chinese Inventor)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,422, issued on Feb. 24, was assigned to NANJING TALIANG TECHNOLOGY Co. LTD. (Jiangsu Province, China).

"Optical system for measuring the depth of an inner layer of a printed circuit board" was invented by Chen-Chi Chien (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system for measuring the depth of an inner layer of a PCB, includes a light source transmitter used to emit an incident light, a controller, a CCD lens module, a pellicle mirror module, a depth measuring device, a reflective mirror module set at one end of the depth measuring device at an angle of 45 degrees, and a processor. When the incident light is incident...