Process and apparatus for laser drilling

Details Process and apparatus for laser drilling Process and apparatus for laser drilling

1984-06-08

1986-08-26

Paschall, M. H.

Electric heating

Metal heating

By arc

219121LM, 219121LL, 219121LB, 219121LZ, B23K 2600

Patent

active

046084800

ABSTRACT:
A process and apparatus are disclosed for accurately drilling and calibrating holes via a pulsed laser beam to form a perforated work piece. The sounds emitted by the melting of the work piece due to its contact with the laser beam are sensed, converted into digital form, compared with a reference value and are utilized to control the operating parameters of the laser.

REFERENCES:
patent: 3700850 (1972-10-01), Lumley et al.
patent: 3800829 (1974-04-01), Duston et al.
patent: 3920951 (1975-11-01), Chovan et al.
patent: 4001840 (1977-01-01), Becker et al.
patent: 4377736 (1983-03-01), Daunt et al.
patent: 4507536 (1985-03-01), Inoue
Abstracts of Japan, vols. six and seven.

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