Laser ablation method for making a light pattern generator on a

Details Laser ablation method for making a light pattern generator on a Laser ablation method for making a light pattern generator on a

1995-06-07

1998-03-17

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

359891, 430 7, B23K 2600, F21V 900

Patent

active

057289948

ABSTRACT:
A light pattern generator includes a reflective layer absorptive to infra-red radiation from which a desired pattern has been removed to allow passage of a light beam in the shape of the pattern. A method for making a light pattern generator includes forming a layer of reflective material on a transparent substrate and ablating a portion of the layer with a laser to create a desired pattern.

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