Printing of security documents

Details Printing of security documents Printing of security documents

B - Operations, Transporting

42

D

B42D 15/00 (2006.01)

Patent

CA 2359029

A method of printing a security document such as a banknote provides for the incorporation of identification features which are invisible to the eye but which are repeated over at least part of the surface of the document substrate to detection by an appropriately programmed computing device to authorise the document or to prevent its replication.

L'invention concerne un procédé d'impression d'un document de sécurité tel qu'un billet de banque. Ce procédé consiste à intégrer des caractéristiques d'identification qui ne sont pas visibles à l'oeil nu mais qui sont répétées sur, au moins, une partie de la surface du substrat du document en vue de leur détection par un dispositif informatique programmé de manière appropriée pour autoriser le document ou pour empêcher la réplication.

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