Laser drilling

Details Laser drilling Laser drilling

1989-02-22

1991-08-06

Arnold, Bruce Y.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

2191217, 21912172, 359900, G02B 2608, B23K 2600

Patent

active

050371835

ABSTRACT:
A plurality of holes are drilled with a repetitively pulsed laser. The time between pulses at one drilling location is utilized to drill the other holes. A rotatable mirror controllably directs the beam to the focusing lens. The distance between the mirror and the lens determines whether the drilled holes are parallel or divergent.

REFERENCES:
patent: 4074104 (1978-02-01), Fulkerson
patent: 4265254 (1981-05-01), Koch et al.
patent: 4378480 (1983-03-01), Langhans
patent: 4499361 (1985-02-01), Brinker
patent: 4608480 (1986-08-01), Bizot et al.
patent: 4640382 (1987-02-01), Hartmann et al.

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