| 摘要 |
A laser printing apparatus is formed by a laser oscillator 10, galvano mirrors 42, 44 for scanning the laser light emitted from the laser oscillator 10, and an ftheta lens 40 for focusing the laser light emitted from the laser oscillator 10 on MCCs 32, 34 serving as the member to be printed. The laser oscillator 10 is an YLF laser oscillator which emits the laser light of the third harmonics in the ultraviolet range. The laser printing is performed on the MCCs 32, 34 serving as the member to be printed by using the laser light emitted from the laser oscillator 10.
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