LIGHT IRRADIATION DEVICE AND ADDITIVE LAYER MANUFACTURING APPARATUS

摘要

The light irradiation device according to an embodiment is for an additive layer manufacturing apparatus. The light irradiation device is provided with a condensing unit and a function unit. The condensing unit concentrates multiple first light beams. At least a portion of the function unit is located at a position that is between multiple first light beams or surrounded by multiple first light beams.