Title:
SECURITY ELEMENT
Document Type and Number:
WIPO Patent Application WO/2010/025787
Kind Code:
A3
Abstract:
The invention relates to a security element comprising a transparent carrier substrate and a color-changing element made of a layer reflecting electromagnetic waves, a spacing layer, and a layer in the form of metal clusters, characterized in that the layer reflecting the electromagnetic waves is applied to the transparent carrier substrate partially as a line raster and partially as a contiguous layer made of one or more different metals.
Inventors:
MUELLER MATTHIAS (DE)
Application Number:
PCT/EP2009/004864
Publication Date:
August 05, 2010
Filing Date:
July 06, 2009
Export Citation:
Assignee:
HUECK FOLIEN GMBH (AT)
MUELLER MATTHIAS (DE)
MUELLER MATTHIAS (DE)
International Classes:
B42D15/00; B42D15/10
Domestic Patent References:
| WO2004110771A2 | 2004-12-23 | |||
| WO2007006545A1 | 2007-01-18 |
Foreign References:
| US20050042449A1 | 2005-02-24 | |||
| EP1547807A2 | 2005-06-29 | |||
| DE102006027263A1 | 2007-12-13 |
Attorney, Agent or Firm:
LANDGRAF, Elvira (Gallneukirchen, AT)
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