Laser machining apparatus

Details Laser machining apparatus Laser machining apparatus

1993-04-26

1994-05-10

Albritton, C. L.

Electric heating

Metal heating

By arc

21912168, 21912174, B23K 2600

Patent

active

053109864

ABSTRACT:
A laser machining apparatus comprises a mask, a reflecting mirror and an imaging optical system. The laser light reflected by the mask and also by the reflecting mirror passes through the mask and images on the work for machining the work. The laser machining apparatus comprises means for causing said mask to move in parallel with said work for machining the work. This laser machining apparatus is able to machine a work having a large surface using small apertured mask. Another type of laser machining apparatus comprises a mask and a platform and an imaging optical system. The mask and the work are puts in the same plane of the platform and driven so that the image of the mask is mapped on the work via the imaging optical system. The laser machining apparatus is able to machine a large area at low price and high accuracy.

REFERENCES:
patent: 5223693 (1993-06-01), Zumoto et al.

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