| 摘要 |
The invention provides a cutting method and a cutting apparatus that cuts without chipping a composite material consisting of laminated layers of crystal material and amorphous material, in which the amorphous material is cut with an ultrasonically vibrated cutting blade and the crystal material is cut with a cutting blade that does not ultrasonically vibrate. With such a method and apparatus, the crystal material portion and the amorphous material portion of the composite material can be cut cleanly without chipping.
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