High precision, rapid laser hole drilling

Details High precision, rapid laser hole drilling High precision, rapid laser hole drilling

2007-03-20

2007-03-20

Tran, Len (Department: 1725)

Electric heating

Metal heating

By arc

C219S121760

Reexamination Certificate

active

11040588

ABSTRACT:
A laser system produces a first laser beam for rapidly removing the bulk of material in an area to form a ragged hole. The laser system produces a second laser beam for accurately cleaning up the ragged hole so that the final hole has dimensions of high precision.

REFERENCES:
patent: 4870244 (1989-09-01), Copley et al.
patent: 5166493 (1992-11-01), Inagawa et al.
patent: 5741096 (1998-04-01), Olds
patent: 6070813 (2000-06-01), Durheim
patent: 6172331 (2001-01-01), Chen
Jim J. Chang, et al., “Precision Micromachining with Pulsed Green Lasers,” Journal of Laser Applications, vol. 10, No. 6, Dec. 1998, pp. 285-291.

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