Security document including a nanoparticle-based...

Details Security document including a nanoparticle-based... Security document including a nanoparticle-based...

B - Operations, Transporting

44

F

B44F 1/12 (2006.01) B29C 59/02 (2006.01) B29C 70/58 (2006.01) B29C 70/62 (2006.01) B32B 5/16 (2006.01) B42D 15/00 (2006.01) B42D 15/10 (2006.01)

Patent

CA 2345344

A security document (1) comprising a sheet like substrate (2) having one or more layers containing particles for forming an authentication device (10) in a first location on the security document (1), the particles having at least a first dimension in the range 1 to 200 nanometers. Various methods of producing a security document and a method of producing a security feature are also disclosed.

Ce document de sécurité (1) comporte un substrat (2) du type feuille, constitué d'une ou de plusieurs couches (8, 9) renfermant des particules destinées à former un système d'authentification en un premier endroit du document de sécurité. Ces particules sont, au moins, d'un premier type de dimensions comprises entre 1 et 200 nanomètres. L'invention concerne également plusieurs procédés de production de document de sécurité ainsi que de dispositifs de sécurité.

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