Wire cutting and feeding device for use in wire bonding apparatu

Metal fusion bonding – With means to juxtapose and bond plural workpieces – Wire lead bonder

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Details

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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