Bonding wedge

Details Bonding wedge Bonding wedge

1990-04-12

1991-05-28

Heinrich, Samuel M.

Metal fusion bonding

With means to juxtapose and bond plural workpieces

Wire lead bonder

228 151, B23K 300, H01L 2160

Patent

active

050186582

ABSTRACT:
A bonding wedge (1) for an ultrasonic bonder, in particular an aluminium thick wire bonder, with a wire guide in the form of a through-passage (3) extending in the wire direction obliquely from above to the pressing face (2). A plastics sleeve (11) through which the bonding wire (4) is guided is introduced in the through-passage (3) to reduce significantly the frictional resistance of the bonding wire (4) in the region of the through-passage (3) and to reduce significantly the abrasion of aluminium.

REFERENCES:
patent: 3627192 (1971-12-01), Killingsworth
patent: 3986653 (1976-10-01), Gilding

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