US Patent Issued to nLIGHT on March 31 for "Optical fiducial generation for galvanometric scanner calibration" (Oregon, Washington Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,144, issued on March 31, was assigned to nLIGHT Inc. (Camas, Wash.).

"Optical fiducial generation for galvanometric scanner calibration" was invented by Jay Small (Camas, Wash.) and Robert J. Martinsen (West Linn, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes producing a fiducial source beam with an optical source, and forming at least one transient optical fiducial on a laser processing target that is in a field of view of a laser scanner situated to scan a laser processing beam across the laser processing target, with an optical fiducial pattern generator that receives the fiducial source beam, to adjust a positioning of t...