ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,454, issued on March 17, was assigned to TRUMPF LASER-UND SYSTEMTECHNIK GMBH (Ditzingen, Germany).
"Laser soldering for steel bodywork parts" was invented by Oliver Bocksrocker (Sachsenheim, Germany), Nicolai Speker (Pleidelsheim, Germany) and Tim Hesse (Ditzingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for laser soldering includes selecting a copper-containing material as a filler material, supplying the filler material at a butt joint of two components, and melting the filler material in a main process zone by means of laser radiation in an advancement direction. The filler material in the main process zone is melted by m...