: SECURITY ELEMENT WITH A THIN LAYERED ELEMENT
Application 437/KOLNP/2006 published 2007-03-23, filed 2006-02-27
The invention relates to a security element for security documents, documents of value and similar, comprising a thin-layered element (12) having a variable coloration effect, consisting of a reflective layer (14), an absorbent layer (18) and a spacer layer (16) arranged between the reflective layer (14) and the absorbent layer (18). According to the invention, the spacer layer (16) is formed by a compression layer with dispersion particles (20) having a monomodal or oligomodal size distribution. (FIG. 2)
Applicant
GIESECKE & DEVRIENT GMBH
PRINZREGENTENSTRASSE 159, 81677 MUNCHEN, GERMANY
Inventor
1.HEIM, MANFRED 2. LIEBLER, RALF 3. KROMBHOLZ, MARKUS
International Info
Classification: GO2B 5/00
Publication Number: WO 2005/015271 A2
Application Date: 2004-08-09
Priority Information
10337 GERMANY 2003-08-12