Patent ID: 7353976
Filing Date: 2008-04-08
Classification: B23K,H01L,Y10T

Abstract:
1. A Wire Bonder, comprising a bondhead, the bondhead including a rocker arranged on the bondhead that is rotatable on a horizontal axis, a horn that has a flange for attaching the horn to the rocker, a capillary clamped in the horn, at least one sensor that delivers at least one output signal that represents predetermined vibrations of the bondhead, a first actuator for moving the horn relative to the rocker for actively compensating vibrations of a tip of the horn, the first actuator arranged between the horn and the rocker, and a control device calculating from the at least one output signal of the at least one sensor a control signal for the first actuator and driving the first actuator in order to eliminate or at least reduce vibrations of the tip of the horn.