Wire bonding method and apparatus

Details Wire bonding method and apparatus Wire bonding method and apparatus

1994-05-31

1996-02-27

Bradley, P. Austin

Metal fusion bonding

Process

With condition responsive, program, or timing control

228 8, 228 565, B23K 3700

Patent

active

054942063

ABSTRACT:
A proper replacement time to exchange a used bonding tool with a new one in a wire bonder is accomplished by a method and apparatus that includes a contact detector which detects the bonding tool contacting a bonding surface, a counter which counts the number of contacts of the bonding tool with the bonding surface, a use number setting device in which a number of times that the bonding tool is to be used and then replaced inputted, and a judgment device which judges whether or not the contacting number of the bonding tool has reached the set number inputted in the use number setting device. When the counted number reaches the set number or when the bonding tool is used the number of set times, a warning signal is outputted and the operation of the wire bonder is stopped for the bonding tool replacement.

REFERENCES:
patent: 3909301 (1975-09-01), Schenk, Jr.
patent: 4572421 (1986-02-01), Hug et al.
patent: 4759073 (1988-07-01), Shah et al.
patent: 4789095 (1988-12-01), Kobayashi
patent: 5020715 (1991-06-01), Kimura et al.

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