A security device

Details A security device A security device

B - Operations, Transporting

42

D

B42D 15/10 (2006.01) B42D 15/00 (2006.01) G03H 1/02 (2006.01) G03H 1/18 (2006.01) B41M 3/14 (2006.01)

Patent

CA 2412514

A security device comprising a substrate (1) formed with a surface relief (2) defining an optically variable effect generating structure. At least two different reflection enhancing materials (4, 6) are provided on, or on the same side of the substrate (1) with respect to the surface relief (2), whereby the optically variable effect can be viewed against a background defined by the reflection enhancing materials.

Un dispositif de sécurité comprend un substrat (1) formé avec un relief de surface (2) définissant une structure de génération d'un effet variable sur le plan optique. Au moins deux différents matériaux d'amélioration de la réflexion (4, 6) se trouvent sur ledit dispositif ou sur le même côté du substrat (1) en fonction du relief de surface (2), l'effet variable sur le plan optique pouvant être visionné sur un arrière plan défini par les matériaux d'amélioration de la réflexion.

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