PROTECTIVE ELEMENT CONTAINING MAGNETIC FLUID MEDIUM Russian patent published in 2013 - IPC G07D7/04 B42D15/00 G02B26/02

Abstract RU 2497198 C2

FIELD: physics.

SUBSTANCE: protective element contains a plurality of particles consisting of a core and a cladding. The core of the particles contains a magnetic fluid medium and is visually distinct from the magnetic fluid medium of a nonmagnetic phase, configured to move inside the magnetic fluid medium.

EFFECT: protective element with high degree of protection from forgery, whose outward appearance can be interactively affected during authentication to obtain a dynamic image.

29 cl, 9 dwg

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RU 2 497 198 C2

Authors

Bornschligl Alexander

Mengel Christoph

Dates

2013-10-27—Published

2010-05-28—Filed