EP 2134551 A1 20091223 - SECURITY ELEMENT
Title (en)
SECURITY ELEMENT
Title (de)
SICHERHEITSELEMENT
Title (fr)
ÉLÉMENT DE SÉCURITÉ
Publication
Application
Priority
- EP 2008002335 W 20080325
- DE 102007016394 A 20070403
Abstract (en)
[origin: WO2008119487A1] The invention relates to a safety element (12) for machine-based optical authenticity testing using light that has a prescribed test wavelength, wherein the safety element according to the invention has a layer (20) made of a highly conductive material, the layer comprising a one or two-dimensional lattice structure made of a periodic arrangement of a plurality of lattice elements (22), the lateral dimensions (d) thereof and/or lateral distances (a<SUB>0</SUB>) thereof being smaller than the test wavelength.
IPC 8 full level
B42D 15/00 (2006.01); B42D 25/00 (2014.01); B42D 25/29 (2014.01)
CPC (source: EP US)
B42D 25/00 (2014.10 - EP); B42D 25/29 (2014.10 - EP US); G07D 7/003 (2017.04 - EP)
Citation (search report)
See references of WO 2008119487A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102007016394 A1 20081009; EP 2134551 A1 20091223; EP 2134551 B1 20160323; WO 2008119487 A1 20081009
DOCDB simple family (application)
DE 102007016394 A 20070403; EP 08734745 A 20080325; EP 2008002335 W 20080325