Laser machining apparatus with deformable mirror

Details Laser machining apparatus with deformable mirror Laser machining apparatus with deformable mirror

1996-03-06

1999-03-30

Walberg, Teresa J.

Electric heating

Metal heating

By arc

21912184, 359846, B23K 2600

Patent

active

058892567

ABSTRACT:
In the present invention, a curvature variable reflector made from a material capable of elastically deforming in response to a fluid pressure is formed to a curved-face mirror by making use of a pressure by a fluid such as air so that a diameter of a laser beam coming into a converging optical member can be changed at a high speed step by step or smoothly. And by controlling the fluid pressure step by step or steplessly according to a type or thickness of a work, machining can always be performed with an appropriate laser beam diameter.

REFERENCES:
patent: 4734557 (1988-03-01), Alfille et al.
patent: 5020895 (1991-06-01), Giesen et al.
patent: 5493095 (1996-02-01), Bruschi et al.

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