COLOUR LASER MARKING

A set of laminates includes an outer laminate and an inner laminate, wherein the outer laminate includes a transparent polymeric support includinq on a first side of the support a colour laser markable layer containing an infrared dye having an absorption maximum λmax(IR-1) in the infrared region; w...

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Bibliographische Detailangaben
Hauptverfasser:	AERTS BART, WAUMANS BART, CALLANT PAUL, GEUENS INGRID
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY COLOUR PRINTING CORRECTION OF TYPOGRAPHICAL ERRORS ELECTROGRAPHY HOLOGRAPHIC PROCESSES OR APPARATUS HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A set of laminates includes an outer laminate and an inner laminate, wherein the outer laminate includes a transparent polymeric support includinq on a first side of the support a colour laser markable layer containing an infrared dye having an absorption maximum λmax(IR-1) in the infrared region; wherein the inner laminate includes a transparent polymeric support including on, a first side of the transparent polymeric support, a colour laser markable layer containing an infrared dye having an absorption maximum λmax(IR-2) in the infrared region and, on a second side of the transparent polymeric support, a colour laser markable layer containing an infrared dye having an absorption maximum λmax(IR-3) in the infrared region; and the conditions a) and b) are satisfied: λmax(IR-1)>λmax(IR-2)>λmax(IR-3); and a) λmax(IR-1)>1100 nm and λmax(IR-3)