US Patent Issued to nLIGHT on March 17 for "Focus assessment in dynamically focused laser system" (Washington Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,571, issued on March 17, was assigned to nLIGHT Inc. (Camas, Wash.).

"Focus assessment in dynamically focused laser system" was invented by Jay Small (Vancouver, Wash.) and Ken Gross (Vancouver, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments may include a method assessing whether a dynamic focus module in a three axis galvanometric scanning system (three-axis GSS) is associated with a focus calibration error. The method may include identifying a reference layer associated with a surface of the work piece and positive and negative offset distances each a difference distance above or below the reference layer, respectively, and...