COLORED MARKING METHOD BY LASER

PROBLEM TO BE SOLVED: To provide a method of performing laser marking not on the surface but in the interior of transparent goods formed of polyamide resin, by Nd-YAG laser. SOLUTION: The transparent goods formed of polyamide resin is used as the object of working, and laser marking is performed by...

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Bibliographische Detailangaben
1. Verfasser:	HASHIMOTO MASAMITSU
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING COLOUR PRINTING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING LINING MACHINES MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SOLDERING OR UNSOLDERING STAMPS TRANSPORTING TYPEWRITERS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of performing laser marking not on the surface but in the interior of transparent goods formed of polyamide resin, by Nd-YAG laser. SOLUTION: The transparent goods formed of polyamide resin is used as the object of working, and laser marking is performed by a pulse-like Nd-YAG laser with a Q switch, while matching laser strength, operating conditions, etc. with the sizes of marked characters, figures, symbols, etc to be marked. Furthermore, by performing the laser marking duplicatively on the marking pattern by changing the laser strength, operating conditions, etc., the laser making with visibility in the interior of the transparent goods formed of polyamide resin is made possible. COPYRIGHT: (C)2008,JPO&INPIT