Method for ablating metal workpieces with laser radiation

Details Method for ablating metal workpieces with laser radiation Method for ablating metal workpieces with laser radiation

1976-09-30

1978-09-12

Truhe, J. V.

Electric heating

Metal heating

By arc

73432L, 96 384, 346 76L, B23K 2700

Patent

active

041140184

ABSTRACT:
A technique for ablating a metal workpiece by the use of laser beam radiation at an efficiency higher than heretofore possible and an improved regulation of the ablation process. Undesired side effects of the ablation process are eliminated by the entire and complete ejection of the molten metal at the point of beam impingement so that no material remains on the workpiece in the areas between contiguous points of ablation. The appropriate selection of beam intensity and the selection of pulse shape provide the inventive technique.

REFERENCES:
patent: 3601576 (1971-08-01), Schlafli
patent: 3824368 (1974-07-01), Locke
patent: 3843401 (1974-10-01), Carroll
patent: 3860784 (1975-01-01), Brown et al.
patent: 3962558 (1976-06-01), Kocher
patent: 4000392 (1976-12-01), Baras
"Laser Applications Material Processing " 3/1971.

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