Title:
セキュリティドキュメント
Document Type and Number:
Japanese Patent JP5127704
Kind Code:
B2
Abstract:
Described is a security document with a transparent security element (12) which is arranged in a window or in a transparent region of the security document and has a structure layer, in which a first region (12f) of the structure layer has an asymmetrical diffractive relief structure, wherein the first region (12f) has an optical effect which is unexpectedly different in a front view and in a rear view of the security document.
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Inventors:
Schilling Andreas
Tompkin Weine Robert
Shaedler Rene
Tompkin Weine Robert
Shaedler Rene
Application Number:
JP2008516200A
Publication Date:
January 23, 2013
Filing Date:
June 09, 2006
Export Citation:
Assignee:
O'Fau Day Kinegram Argy
International Classes:
G02B5/18; B42D15/10; G02B5/32; G09F19/12
Domestic Patent References:
| JP2001315472A | ||||
| JP2003202414A |
Foreign References:
| WO2003053713A1 | ||||
| WO2003070482A1 | ||||
| WO2003068525A1 |
Attorney, Agent or Firm:
Tamio Nishiwaki