Laser engraving method

Details Laser engraving method Laser engraving method

1989-08-04

1990-08-07

Albritton, C. L.

Electric heating

Metal heating

By arc

2191218, 21912182, 21912183, B23K 2600

Patent

active

049470221

ABSTRACT:
A workpiece having a curved surface is laser engraved by being manipulated in a single plane while maintaining the focal point of the laser beam at a plane corresponding to the average working distance between the surface being engraved and the laser's focusing lens.

REFERENCES:
patent: 4405852 (1983-09-01), Bononi
patent: 4480169 (1984-10-01), Macken
patent: 4738602 (1988-04-01), Yamamoto et al.
patent: 7663793 (1972-05-01), Petro et al.

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