B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 7/02 (2006.01) B41M 3/14 (2006.01) B42D 15/00 (2006.01) D21H 21/40 (2006.01) D21H 21/44 (2006.01)
Patent
CA 2498737
A discrimination medium for objects by which counterfeiting can be prevented, authenticity of the article can be easily and reliably determined, and the production cost can be reduced is provided. In the discrimination medium, the support body 31 and the pattern 20 appear to be the same color when viewed from a specific angle (for instance, viewing from the front). On the other hand, when the viewing angle is increased, the color of the pattern 20 composed of a multilayer thin film changes by color shift, whereby the pattern 20 becomes a color different from the support body 31.
L'invention concerne un support d'identification d'objet difficilement falsifiable, pouvant aisément et sûrement identifier la vérité, dont le coût de fabrication peut être réduit. Ledit support est observé selon un angle spécifié (par exemple de front), le corps de support (31) et un motif (20) formé d'un film mince multicouche sont de la même couleur et lorsque l'angle de visibilité augmente, le motif (20) formé d'un film mince multicouche change de couleur par décalage de couleur vers une couleur différente de celle du corps de support (31).
Hoshino Hidekazu
Sasaki Mutsumi
Takeuchi Itsuo
Kirby Eades Gale Baker
Nhk Spring Co. Ltd.
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