Areal security element and method for producing it

Details Areal security element and method for producing it Areal security element and method for producing it

2004-04-27

2010-06-29

Ross, Dana (Department: 3725)

Printed matter

Having revealable concealed information, fraud preventer or...

C283S094000, C283S901000, C283S082000, C283S117000, C359S002000, C359S359000, C359S360000, C359S584000

Reexamination Certificate

active

07744129

ABSTRACT:
An areal security element for security papers, documents of value and the like, with at least two different areal security features (20, 22) disposed one above the other, which each are recognizable upon viewing the security element from opposite sides, wherein the first security feature (20) has a thin-layer element (42) provided with an areal diffraction structure (46) with color shift effect, which contains a first reflection layer (40) with a first color effect, the second security feature (22) has a second reflection layer (44) provided with an areal diffraction structure (46) for producing a diffractive image, which shows a second color effect different from the first color effect, and wherein the thin-layer element (42) of the first security feature (20) and the reflection layer (44) of the second security feature (22) are provided with the same areal diffraction structure (46).

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