US Patent Issued to Carl Zeiss Vision International on June 3 for "3D printing apparatus and 3D printing method for manufacturing a workpiece" (German Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,000, issued on June 3, was assigned to Carl Zeiss Vision International GmbH (Aalen, Germany).

"3D printing apparatus and 3D printing method for manufacturing a workpiece" was invented by Guillaume Gomard (Mannheim, Germany), Bernd Borrmann (Zoellnitz, Germany), Matthias Hillenbrand (Jena, Germany), Michael Totzeck (Schwaebisch Gmuend, Germany), Roman Zvahelskyi (Karlsruhe, Germany), Marc Frederik Mayer (Karlsruhe, Germany) and Martin Wegener (Karlsruhe, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A 3D printing apparatus for manufacturing a workpiece has a first radiation source to carry out a non-linear absorption polymerization and a seco...