Method and apparatus for reliably laser marking articles
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United States of America Patent
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Mar 5, 2013
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app pub date -
Jun 25, 2010
filing date -
Jun 25, 2010
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Abstract
The invention is a method and apparatus for laser marking a stainless steel specimen with commercially desirable marks. The method includes providing a laser processing system having a laser, and laser optics and a controller with pre-determined laser pulse parameters, selecting the pre-determined laser pulse parameters associated with the desired mark, and directing the laser marking system to produce laser pulses having laser pulse parameters associated with the desired marks including temporal pulse widths greater than about 1 and less than about 1000 picoseconds.
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