Apparatus for processing multiple workpieces utilizing a single

Details Apparatus for processing multiple workpieces utilizing a single Apparatus for processing multiple workpieces utilizing a single

1984-11-06

1987-10-20

Paschall, M. H.

Electric heating

Metal heating

By arc

219121LA, 219121LS, 219121LV, B23K 2600

Patent

active

047015918

ABSTRACT:
Processing of plural works can be made simultaneously by using divided laser beams which is issued from one large Co.sub.2 laser beam source, the dividing being made by one or more rotary chopper mirror(s) comprising reflecting parts and light passing parts, and its ration and pulsive start and stop of laser oscillation are controlled in interrelated manner and by controlling the duty time of the laser oscillation in PWM manner. The distribution of powers of the laser beams divided by the rotary chopper mirrors is desirably selectable, thereby enabling simultaneous processing of plural works under the different processing conditions.

REFERENCES:
patent: 4118619 (1978-10-01), McArthur et al.
patent: 4229232 (1980-10-01), Kirkpatrick
patent: 4258246 (1981-03-01), Karube et al.
patent: 4404452 (1983-09-01), Cashwell
patent: 4499362 (1985-02-01), Martin
patent: 4540867 (1985-09-01), Ackerman
IBM Technical Disclosure Bulletin, vol. 21, No. 11, 4/1979.

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