ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,545, issued on April 22, was assigned to Nikon SLM Solutions AG (Luebeck, Germany).
"Apparatus and method" was invented by Christiane Thiel (Luebeck, Germany), Daniel Brueck (Luebeck, Germany) and Ralf Labes (Ploen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "We describe an apparatus for producing a three-dimensional workpiece, the apparatus comprising: a process chamber for receiving a material from which the three-dimensional workpiece is producible using an additive layer manufacturing technique, wherein the process chamber comprises a translucent window; an irradiation device for irradiating, through the translucent window, the materia...