EP 2438579 A1 20120411 - MAGNETO-OPTICAL SECURITY ELEMENT
Title (en)
MAGNETO-OPTICAL SECURITY ELEMENT
Title (de)
MAGNETOOPTISCHES SICHERHEITSELEMENT
Title (fr)
ÉLÉMENT DE SÉCURITÉ MAGNÉTO-OPTIQUE
Publication
Application
Priority
- EP 2010003001 W 20100518
- DE 102009023981 A 20090605
Abstract (en)
[origin: WO2010139393A1] The invention relates to a security element (40) comprising a design that can be modified using an external magnetic field and can be captured using visual means or a machine. According to the invention, the security element (40) includes a magneto-optical material (42), the value of the Verdet constant of which is greater than 105 ° T-1m-1 for at least one wavelength in the visible spectral range.
IPC 8 full level
CPC (source: EP US)
B42D 25/369 (2014.10 - EP US); G07D 7/003 (2017.04 - EP); G07D 7/04 (2013.01 - EP US); G07D 7/12 (2013.01 - EP US)
Citation (search report)
See references of WO 2010139393A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
DE 102009023981 A1 20101209; EP 2438579 A1 20120411; WO 2010139393 A1 20101209
DOCDB simple family (application)
DE 102009023981 A 20090605; EP 10725381 A 20100518; EP 2010003001 W 20100518