Bonding head

Details Bonding head Bonding head

1991-12-12

1992-12-15

Ramsey, Kenneth J.

Metal fusion bonding

With means to juxtapose and bond plural workpieces

Wire lead bonder

219 5621, H01L 2160

Patent

active

051709287

ABSTRACT:
A bonding head for an automatic wire bonding machine, comprises a flame-off electrode which is adapted to be lifted away from an operative position in which it is used to form a ball on the end of the bonding wire, and a capillary through which the bonding wire is supplied to the flame-off electrode. The capillary is also adapted to apply pressure and ultrasonic energy to the wire when it is in contact with the surface to which it is to be bonded. The flame-off electrode is adapted to be lifted away from the operative position by movement of the bond head from a flame-off position to a bonding position.

REFERENCES:
patent: 4098447 (1978-07-01), Edson et al.
patent: 4998002 (1991-03-01), Okikawa et al.

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