ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,090, issued on May 5, was assigned to Carl Zeiss SMT GmbH (Oberkochen, Germany).
"Multibeam 3-D focus generator" was invented by Markus Seesselberg (Aalen, Germany) and Johannes Stock (Ellwangen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a device for focusing a photon beam into a material. The device comprises: means for splitting the photon beam into a plurality of component beams; means for focusing the component beams at a predetermined focal depth within the material; and means for adapting the wavefronts of the component beams based at least in part on the focal depth."
The patent was filed on May 12, 2023, ...