Laminated multi-layer card with an inlaid security element...

Details Laminated multi-layer card with an inlaid security element... Laminated multi-layer card with an inlaid security element...

2001-02-20

2009-12-29

Ross, Dana (Department: 3725)

Printed matter

Having revealable concealed information, fraud preventer or...

Having plastic laminate

C283S094000, C283S074000, C283S087000, C283S091000

Reexamination Certificate

active

07637537

ABSTRACT:
A card, in particular credit card, identity card, bank card or the like is proposed that includes a plurality of laminated layers between which a security element with a relief structure, in particular holographic diffraction structures, is embedded. The materials are selected so that the softening temperature of the security element layer having the relief structure has a higher softening temperature than the card layers between which the security element is laminated. This permits the multilayer laminated card to be produced by conventional laminating methods without appreciably impairing the relief structure by the pressures and temperatures thereby occurring. Special combinations of materials and in particular suitable materials for the layer having the relief structure are proposed.

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Rankl, Wolfgang, Handbuch der Chipkarten, pp. 52-59.

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