Method for creating a mark on an article, laser marking apparatus, article having a mark, anodized metallic article having a mark and anodized metallic article

Method for creating a mark on an article, laser marking apparatus, article having a mark, anodized metallic article having a mark and anodized metallic article

The invention is a method and apparatus for creating a color and optical density selectable visible mark on an anodized aluminum article. 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 para...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HAINSEY, ROBERT, ZHANG, HAIBIN, LEONARD, PATRICK, SIMENSON, GLENN, HOWERTON, JEFFREY, BARSIC, DAVID, CROWTHER, WAYNE
Format: Patent
Sprache:chi ; eng
Schlagworte:
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:The invention is a method and apparatus for creating a color and optical density selectable visible mark on an anodized aluminum article. 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 and a controller with stored laser pulse parameters, selecting the stored laser pulse parameters associated with the desired color and optical density, directing the laser marking system to produce laser pulses having laser pulse parameters associated with the desired color and optical density including temporal pulse widths greater than about 1 and less than about 1000 picoseconds to impinge upon said anodized aluminum.