Wire cutting and feeding device for use in wire bonding apparatu

Details Wire cutting and feeding device for use in wire bonding apparatu Wire cutting and feeding device for use in wire bonding apparatu

1997-02-14

2000-07-18

Ryan, Patrick

Metal fusion bonding

With means to juxtapose and bond plural workpieces

Wire lead bonder

228 41, 228 447, 228 443, 228904, 2281805, B23K 3700

Patent

active

060894393

ABSTRACT:
In a wire cutting and feeding device used in a wire bonding apparatus, piezo-electric actuators are used as the driving source of a slide block which moves wire clamper toward and away from a workpiece upon which bonding is performed. The piezo-electric actuators include a feeding piezo-electric actuator, which causes expansion and contraction of the slide block, and two clamping piezo-electric actuators, which are alternately operated and clamp the slide block. The slide block is caused to move by means of respective power-"on"/power-"off" combinations of the feeding piezo-electric actuator and the two clamping piezo-electric actuators.

REFERENCES:
patent: 4597522 (1986-07-01), Kobayashi
patent: 4603803 (1986-08-01), Chan et al.
patent: 5297722 (1994-03-01), Takahashi et al.
patent: 5452838 (1995-09-01), Farassat

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