Patent ID: 7735707
Filing Date: 2010-06-15
Classification: B23K,H01L

Abstract:
1. A wire bonding apparatus comprising: an ultrasonic horn including a capillary part, an ultrasonic vibrator part, and an ultrasonic horn body portion, the ultrasonic horn body portion being securely-fixed to the capillary part at one end thereof and to the ultrasonic vibrator part at another end thereof; a bonding arm including an ultrasonic horn-connecting portion for fixing securely the ultrasonic horn thereto; a bonding arm body portion provided between the ultrasonic horn-connecting portion and an arm supporting shaft therefor; a pressure sensor for detecting a pressing load applied by the capillary part, the pressure sensor being provided within the bonding arm; the bonding arm being provided with a thin-connecting portion which functions as a supporting point; and the thin-connecting portion being provided