METHOD FOR PRODUCING A SECURITY AND/OR VALUABLE PRODUCT WITH A RANDOM PATTERN AND A CORRELATED IDENTIFICATION CHARACTER SEQUENCE

The invention relates to a method for producing a security and/or valuable product comprising the following method steps: a substrate is coated with a marking layer containing at least two different particulate luminescent substances that emit light under different conditions of the excitation of lu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KRIETSCH, BURKHARD, WALTER, ANDREAS, MUTH, OLIVER, PAESCHKE, MANFRED, KUNTZ, MATTHIAS
Format: Patent
Sprache:eng ; fre ; ger
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