| 摘要 |
In order to realize effective and economical bonding operation even on workpiece whose inside is quite deep, a bonding tool, which has a length equivalent to a whole number of multiples of half the wavelength of the resonance frequency, is secured to an ultrasonic horn by a screw member which can advance or retreat in a direction perpendicular to the vibration direction indicated by an arrow X,thereby causing a front end surface of the bonding tool vibrate in the same direction as the vibration of the ultrasonic horn.
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