Security features, their use, and processes for making them

Details Security features, their use, and processes for making them Security features, their use, and processes for making them

B - Operations, Transporting

42

D

B42D 15/00 (2006.01)

Patent

CA 2594806

This invention is directed to security features that are formed, created, printed from inks comprising metallic particles and/or metallic nanoparticles. Preferably, the security feature is a reflective security features that comprises metallic nanoparticles where the reflective security features are formed by a direct-writing process, e.g., an ink jet printing process, using an ink comprising metallic nanoparticles. The invention is also directed to the use of these security features in many applications and to processes for making them.

Cette invention porte sur des dispositifs de sécurités qui sont formées, créée, imprimé à partir d'encre comprenant des particules métalliques et/ou des nanoparticule métallique. De préférence, le dispositif de sécurité est un dispositif de sécurité réfléchissant qui comprend des nanoparticule métallique, ces dispositifs de sécurité réfléchissants étant formés selon un procédé d'impression directe, tel qu'un procédé d'impression à jet d'encre, utilisant une encre comprenant des nanoparticules métalliques. L'invention porte également sur l'utilisation de ces dispositifs de sécurité dans de nombreuses applications et sur leurs procédés de fabrication.

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