Magnetic metallic security thread with negative inscription

Details Magnetic metallic security thread with negative inscription Magnetic metallic security thread with negative inscription

B - Operations, Transporting

42

D

B42D 15/00 (2006.01)

Patent

CA 2076532

The invention relates to a security document, in particular a bank note, identity card or the like having a security element which is provided with characters, patterns, etc., visually readable at least in transmitted light and which is electrically conductive and bears additional substances for machine testing, and to a method for producing such a security element. The security element preferably consists of a transparent film strip that bears negative writing readily capable of visual checking and is additionally provided with electrically conductive and magnetic substances.

Cette invention concerne un document de sécurité, en particulier un billet de banque, une carte d'identité ou des documents analogues, comportant un élément de sécurité qui porte des caractères, motifs, etc. détectables visuellement au moins sous lumière transmise et qui est électroconducteur en plus contenir des substances additionnelles détectables par des appareils de validation. L'élément de sécurité se compose de préférence d'une bande de pellicule transparente où sont inscrits en négatif des caractères se prêtant au contrôle visuel et qui comporte des substances électroconductrices et magnétiques.

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