Laser beam machining device

Details Laser beam machining device Laser beam machining device

1990-04-30

1991-10-08

Albritton, C. L.

Electric heating

Metal heating

By arc

21912177, 21912174, B23K 2606

Patent

active

050556533

ABSTRACT:
A laser beam machining device having aspherical lenses for uniformity of the cross section intensity of a laser beam emitted from a laser oscillator, and converging optical unit composed of a plurality of converging lenses disposed to be aligned in single or plural rows on a plane in the optical path of the uniform laser beam, whereby uniform machining can be performed in the middle and at the edges of the machining area and the allowable machining area can be made wider.

REFERENCES:
M. A. Grimm, IBM Technical Disclosure Bulletin, "Optical System for Laser Machining of Narrow Slots", vol. 14, No. 9, Feb. 1972, pp. 2641, 2642.

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