Patent ID: 6513696
Filing Date: 2003-02-04
Classification: B23K,H01L

Abstract:
A bonding head for a wedge wire bonding apparatus for bonding a wire to an electronic component comprising, wire feeding and tearing means for feeding a wire in a wire feeding and tearing direction and including wire clamping means for clamping a wire being fed and for breaking a wire after a bond has been formed, said wire clamping means comprising a pair of jaw members and means for causing opening and closing movement of said jaw members, wherein said opening and closing movement causing means comprises a permanent magnet motor formed of a coil located in a magnetic field created by one or more magnets, wherein either of said coil and said magnet(s) is fixed to one of said jaw members for movement therewith in the wire feeding and tearing direction, the other of said coil and said magnet(s) being fixed to a bonding head support member.