Laser engraving methods and compositions, and articles having laser engraving thereon

The invention provides a composition having laser engraving properties, comprising a host material and an effective amount of a laser enhancing additive. The laser enhancing additive comprises a first quantity of least one of copper potassium iodide (CuKI3) or Copper Iodide (CuI), and a second quant...

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Bibliographische Detailangaben
1. Verfasser:	LABREC BRIAN,JONES ROBERT
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY BASIC ELECTRIC ELEMENTS BOOK COVERS BOOKBINDING CALCULATING CHEMISTRY CINEMATOGRAPHY CLADDING OR PLATING BY SOLDERING OR WELDING COLOUR PRINTING COMPOSITIONS BASED THEREON COMPUTING COUNTING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR ELECTRICITY ELECTROGRAPHY FILES HANDLING RECORD CARRIERS HOLOGRAPHY LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LINING MACHINES LOOSE LEAVES MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MOVABLE-STRIP WRITING OR READING APPARATUS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS PRESENTATION OF DATA PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTINGSURFACES RECOGNITION OF DATA RECORD CARRIERS RESISTORS SOLDERING OR UNSOLDERING SPECIAL PRINTED MATTER STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The invention provides a composition having laser engraving properties, comprising a host material and an effective amount of a laser enhancing additive. The laser enhancing additive comprises a first quantity of least one of copper potassium iodide (CuKI3) or Copper Iodide (CuI), and a second quantity at least one substance selected from the group consisting of zinc sulfide (ZnS), barium sulfide (BaS), alkyl sulfonate, and thioester. The composition can be engraved with grayscale images by an Nd:Yag laser and can be added to laminates or coatings. The composition can be used during the manufacture of many articles of manufacture, including identification documents.