Wire bonder

Details Wire bonder Wire bonder

1974-06-03

1976-03-02

Corbin, John K.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

228 45, 228 9, 356153, 356168, 356171, G01B 1127

Patent

active

039414868

ABSTRACT:
A thermocompression, tailless wire bonder which permits the bonding operation to take place at any location along the path of the bonding tool without affecting the length of wire protruding below the bonding tool or the location of the end of the wire relative to the torch. A non-frictional wire tensioning device is employed to produce a constant and adjustable tension on the bonding wire. A virtual image, parallax free, optical positioning system is utilized to position the bonding tool.

REFERENCES:
patent: 3237194 (1966-02-01), Curry et al.
patent: 3615138 (1971-10-01), Pedrotti et al.
patent: 3679316 (1972-07-01), Boujon
patent: 3728027 (1973-04-01), Watanabe
patent: 3737238 (1973-06-01), Reiner et al.
patent: 3817626 (1974-06-01), Lirtar

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