Security element

Details Security element Security element

B - Operations, Transporting

42

D

B42D 15/00 (2006.01)

Patent

CA 2667704

A security element or a security document provided therewith comprises a substrate (1), a recess (3) which passes through the substrate, and an imprint (4) which adjoins the recess (3) and with the recess completes an information-conveying symbol or pattern (~20"). At least the recess (3) is covered by a film (5). A security feature (6), which can be visually checked and is preferably provided at least partially on the film (5), conveys a colour impression which varies due to an external stimulus and reverses on its own accord, and is arranged relative to the information-conveying symbol or pattern (~20") such that the symbol or pattern (~20") is obscured without the stimulus and the visual recognizability of the symbol or pattern is facilitated by way of the stimulus.

L'invention concerne un élément de sécurité ou un document de sécurité équipé de cet élément, comprenant un substrat (1), un évidement (3) traversant le substrat et une impression (4) qui est limitrophe de l'évidement (3) et se complète avec l'évidement pour former un signe ou dessin (~20') transmetteur d'informations. Au moins l'évidement (3) est recouvert d'un film (5). Une caractéristique de sécurité (6) visuellement contrôlable, qui est prévue au moins pour partie sur le film (5), transmet un effet de couleur automatiquement réversible et modifiable par un stimulus externe, et elle est disposée par rapport au signe ou dessin (~20') transmetteur d'informations de telle sorte que le signe ou dessin (~20') est masqué en l'absence de stimulus, et que la reconnaissance visuelle du signe ou dessin (~20') est facilitée par le stimulus.

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