System for producing secure toner-based images and methods...

Details System for producing secure toner-based images and methods... System for producing secure toner-based images and methods...

G - Physics

03

G

G03G 15/00 (2006.01) G03G 5/00 (2006.01) G03G 9/08 (2006.01)

Patent

CA 2657194

A system and method for printing documents that are difficult to forge and that are easy to visually verify are disclosed. The system includes a colorant for printing an image on a surface of a document and a dye for forming a latent version of the image underneath the surface and a substrate that includes a migration agent for facilitating the migration of the dye through at least a portion of the substrate. The migration-enhancing agent may be coated onto a portion of the substrate or embedded within the substrate.

L'invention concerne un système et une méthode permettant d'imprimer des documents qui sont difficiles à contrefaire et faciles à vérifier visuellement. Ce système comprend une matière colorante pour imprimer une image sur la surface d'un document, une teinture pour former une version latente de l'image sous la surface et un substrat qui comprend un agent de migration pour faciliter ladite migration de la teinture dans au moins une partie du substrat. L'agent de migration peut recouvrir une partie du substrat ou être incrusté dans ce dernier.

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