LASER WELDING APPARATUS AND WELDING METHOD USING THE SAME

摘要

According to an embodiment of the present invention, a laser welding method includes: a welding condition setting step for setting a welding condition including the diameter of laser beam and the position of focus according to a material to be welded; and a laser welding step for performing laser welding by radiating the laser beam set in the welding condition to the object to be welded.