Article comprising a semi-reflecting multilayer...

Details Article comprising a semi-reflecting multilayer... Article comprising a semi-reflecting multilayer...

G - Physics

07

D

G07D 7/12 (2006.01)

Patent

CA 2571566

The invention concerns a document such as a bank note comprising: a number if juxtaposed interferential semi-reflecting multilayer structures, one preferably partly transparent zone wherein extends at least partly one at least of the interferential multilayer structures, the latter being configured such that an observer may perceive a first reflected colour and a second colour, different from the first, in transmission.

La présente invention concerne un document tel qu'un billet de banque comportant : plusieurs structures multicouche semi-réfléchissantes interférentielles juxtaposées, une zone de préférence au moins partiellement transparente dans laquelle s'étend au moins partiellement l'une au moins des structures multicouche interférentielles, ces dernières étant configurées de telle sorte qu'un observateur puisse percevoir une première couleur en réflexion et une deuxième couleur, différente de la première, en transmission.

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