ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,460, issued on March 17, was assigned to TRUMPF LASER-UND SYSTEMTECHNIK GMBH (Ditzingen, Germany).

"Method for machining a workpiece" was invented by Malte Kumkar (Weimar, Germany) and Myriam Kaiser (Ditzingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for machining a workpiece, comprising the steps of introducing a plurality of adjacent modifications into the material of the workpiece by means of laser radiation, etching the material of the workpiece in a first etching operation with a first selectivity, in order to remove predominantly the material modified by the laser radiation, and, after ...