G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/02 (2006.01) B42D 15/10 (2006.01) G02B 27/42 (2006.01) G09F 3/02 (2006.01)
Patent
CA 2708526
A forgery-prevention technique for achieving a high forgery-prevention effect can be realized. A display (1) includes light-scattering regions (20a, 20b) each provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions (20a, 20b) are different from each other in the longitudinal direction.
L'invention concerne un matériau d'étiquetage qui permet de réaliser une technologie anti-contrefaçon ayant un effet anti-contrefaçon élevé. Un matériau d'étiquetage (1) comprend une pluralité de zones de diffusion de lumière (20a, 20b) comprenant chacune une pluralité de parties convexes et/ou de parties concaves linéaires avec des directions longitudinales placées dans l'ordre. Les zones de diffusion de lumière (20a, 20b) sont différentes les unes des autres dans la direction longitudinale.
Fetherstonhaugh & Co.
Toppan Printing Co. Ltd.
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