抄録
Since the first demonstration of drilling with a ruby laser, laser processings, such as welding, cutting and drilling have been used in industrial manufacturing. In these applications, laser light is focused on a small spot on the surface where the laser energy is converted to thermal energy, instantly resulting phase changes, melting and vaporization. This paper reviews some fundamental studies and new techniques of laser processing. Fundamental studies include the interaction of laser beams with materials and the beam hole formation.
