Liquid crystal mask type laser marking system

Details Liquid crystal mask type laser marking system Liquid crystal mask type laser marking system

1991-03-08

1993-07-27

Albritton, C. L.

Electric heating

Metal heating

By arc

21912173, B23K 2600

Patent

active

052312631

ABSTRACT:
Disclosed is a liquid crystal mask type laser marking system for transferring a pattern information onto an object to be worked. A laser beam emitted from a laser oscillator is applied to a liquid crystal mask having a pattern mask. The laser beam outgoing from the liquid crystal mask is applied to a wavelength converter, which converts the laser beam to one having a wavelength to which the object to be worked is sensitive. The converted laser beam is applied to the object to be worked.

REFERENCES:
patent: 4818835 (1989-04-01), Kuwabara et al.
patent: 4856897 (1989-08-01), Fateley et al.

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