Laser beam soldering apparatus and soldering method using the sa

Details Laser beam soldering apparatus and soldering method using the sa Laser beam soldering apparatus and soldering method using the sa

1988-09-09

1990-04-03

Albritton, C. L.

Electric heating

Metal heating

By arc

21912164, 21912176, 21912178, 219 8512, B23K 2600

Patent

active

049142720

ABSTRACT:
A laser beam soldering apparatus is provided for soldering parts, such as, lead wires provided for an IC chip which are arranged closely to each other. The apparatus includes a plurality of laser beam irradiation units employing a semiconductor laser and a mounting dish for mounting the irradiation units. The dish has a plurality through holes for receiving the irradiation units. The irradiation units are mounted in the plate so as to be directed to one focal point to form a desired beam spot shape. A small beam spot having sufficient heat for soldering is thereby obtained.

REFERENCES:
patent: 3586816 (1971-06-01), Hagen
patent: 4785156 (1988-11-01), Benko et al.

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