Method for color marking metallic surfaces
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United States of America Patent
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Dec 8, 2015
Grant Date -
Dec 4, 2014
app pub date -
Dec 31, 2013
filing date -
May 28, 2013
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Abstract
A method of color marking a metal or metal-plated part is described involving setting at least one laser parameter of a laser, such as the power, scan speed, Q-switch, spot size, line separation, and scan repetition, and then energizing a metal containing surface layer of the part using the laser to change the color reflected by the surface layer.
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