| 摘要 |
PROBLEM TO BE SOLVED: To match focal point positions of lasers having different wavelength bands.SOLUTION: A laser processing apparatus includes: a laser output device which oscillates lasers having a plurality of wavelength bands; a spectral part 16B which disperses the respective lasers of the respective wavelength bands; and condensing parts 16C, 16C which independently condense the lasers dispersed by the spectral part 16B, and focus in a same position. |
