Colour imaging of security document precursors

A method of producing a security document includes the steps of producing a first part of a color image by color laser marking a security document precursor; and producing a second part of the color image by a second imaging technique different from laser marking. The resulting security document is...

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Bibliographische Detailangaben
Hauptverfasser:	Callant, Paul, Waumans, Bart, Aerts, Bart
Format:	Patent
Sprache:	eng
Schlagworte:	BOOK COVERS BOOKBINDING COLOUR PRINTING CORRECTION OF TYPOGRAPHICAL ERRORS DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME 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 MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS SPECIAL PRINTED MATTER STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A method of producing a security document includes the steps of producing a first part of a color image by color laser marking a security document precursor; and producing a second part of the color image by a second imaging technique different from laser marking. The resulting security document is more difficult to falsify.