Method and apparatus for reliably laser marking articles
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United States of America Patent
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Feb 19, 2013
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N/A
app pub date -
Aug 30, 2010
filing date -
Feb 11, 2010
priority date (Note) -
Expired
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Abstract
The invention is a method and apparatus for creating marks on an anodized aluminum specimen with selectable color and optical density. The method includes providing a laser marking system having a laser, laser optics and a controller operatively connected to said laser to control laser pulse parameters. The laser marking system is directed to produce laser pulses having laser pulse parameters associated with the desired color and optical density in the presence of a fluid directed to the surface of the anodized aluminum specimen while marking.
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