ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,372, issued on Oct. 6, was assigned to DISCO Corp. (Tokyo).
"Laser beam irradiation apparatus" was invented by Teppei Nomura (Tokyo) and Zhiwen Chen (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laser beam irradiation unit of a laser beam irradiation apparatus includes a laser beam source that emits a laser beam and a spatial light modulator that modulates the laser beam emitted from the laser beam source, according to a phase pattern, and that emits the laser beam. A controller has a storing section that stores the phase pattern to be displayed in the spatial light modulator and a rotation instructing section that rotates the phase pattern...