Laser marker and method of laser marking

Details Laser marker and method of laser marking Laser marker and method of laser marking

1988-02-26

1989-04-04

Albritton, C. L.

Electric heating

Metal heating

By arc

21912185, 346 76L, B23K 2600

Patent

active

048188352

ABSTRACT:
A laser marker comprises a liquid crystal device for displaying pattern information representative of a character to be printed on an object to be worked, a pulse laser oscillator, a liquid crystal device power switch connected to the liquid crystal device, a laser switch connected to the pulse laser oscillator, and timer circuits operative to retard the operation of the laser switch with respect to that of the liquid crystal device power switch, whereby after the character to be printed is displayed properly on the liquid crystal device, a pulse laser beam is irradiated on the liquid crystal device so as to sharply print the character on the object.

REFERENCES:
patent: 4559546 (1985-12-01), Yip
patent: 4614954 (1986-09-01), Ohta et al.

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