G - Physics – 09 – F
Patent
G - Physics
09
F
G09F 3/02 (2006.01) B42D 15/02 (2006.01)
Patent
CA 2523156
A tamper indicating device. A preferred embodiment of the invention provides a backing having a first side and a second side, wherein the backing comprises a first phase and a second phase, wherein the backing has a first level of light diffusion, and when a peeling force is applied to the backing, the backing fractures or internally delaminates and has a second level of light diffusion that is a higher level of light diffusion than the first level of light diffusion; a flood coat applied to the second side of the backing, the flood coat defining a window therein; and a mask applied to the tamper indicating device, the mask being in partial or whole registration with the window in the flood coat.
L'invention concerne un dispositif indicateur de sabotage. Dans un mode de réalisation préféré, l'invention concerne un support ayant un premier et un second côtés, qui comprend une première et une seconde phases. Ledit support a un premier niveau de diffusion lumineuse et, lorsqu'une force d'arrachement est appliquée au support, ce dernier se fracture ou se décolle au plan interne et présente un second niveau de diffusion lumineuse supérieur au premier; un revêtement de flux appliqué au second côté du support, ledit revêtement y définissant une fenêtre ; et un masque appliqué au dispositif indicateur de sabotage, ledit masque étant en enregistrement partiel ou total avec la fenêtre dans le revêtement de flux.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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