Security document and security element for a security document

Details Security document and security element for a security document Security document and security element for a security document

2003-02-19

2009-11-03

Ross, Dana (Department: 3725)

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

C283S087000, C283S089000, C283S057000, C283S058000, C359S002000

Reexamination Certificate

active

07611168

ABSTRACT:
Security element2, 4to be embedded in or applied to a security document so that it is visually recognizable from both sides of security document1is of multilayer construction and includes interference element I with a color shift effect and diffraction structures8.Depending on the arrangement of the layers and existing diffraction structures8on transparent substrate S the color shift effect and/or the diffractive effects are perceptible from one or both sides of security element2, 4.The security element is suitable in particular as two-sided windowed thread4and as label or transfer element2over hole3.

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