Substrate for security document

Details Substrate for security document Substrate for security document

B - Operations, Transporting

41

M

B41M 3/14 (2006.01) B42D 15/00 (2006.01) B42D 15/10 (2006.01)

Patent

CA 2715115

A polymer substrate (1 ) for a security document, the substrate having at least one elongate transparent region (3) extending through a more opaque area of the substrate and completely or almost completely between spaced locations on the boundary of the substrate. The width of the transparent region (3) is at least 2mm and the transparent region has an optical density not exceeding 0.3.

L'invention porte sur un substrat (1) de polymère pour document de sécurité, présentant au moins une zone transparente allongée (3) s'étendant à travers une zone plus opaque du substrat et entièrement ou presque entre des emplacements espacés situés à la limite du substrat. La largeur de la zone transparente (3) est d'au moins 2 mm, et la zone transparente présente une densité optique ne dépassant pas 0,3.

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