Apparatus and process for laser treating sheet material

Details Apparatus and process for laser treating sheet material Apparatus and process for laser treating sheet material

1982-10-20

1985-02-19

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LJ, 219121LW, 219121LY, B23K 2700

Patent

active

045007713

ABSTRACT:
A reduction in ferromagnetic domain size is obtained with equipment and processes being capable of the high speed laser scribing of ferromagnetic sheet material. The invention involves the elastic bending of sheet material around an axis which is parallel to the direction in which it is being translated and then laser scribing the curved sheet material. A rotating optical device is used to repeatedly send a focused laser beam across the width of the curved sheet material.

REFERENCES:
patent: 3154371 (1964-10-01), Johnson
patent: 3848104 (1974-11-01), Locke
patent: 4046986 (1977-09-01), Barker
patent: 4099830 (1978-07-01), Whittle et al.
patent: 4293350 (1981-10-01), Ichiyama et al.
patent: 4354090 (1982-10-01), Nilsen
"The Making, Shaping and Treating of Steel", ed. H. E. McGannon, United States Steel (1971), pp. 964-979, 1157-1162.

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