US 2,008,160,226 · Filed 2006-02-10
Security Element and Method for the Production Thereof
The present invention relates to a security element for protecting valuable articles, having a first and a second authenticating feature. The first authenticating feature comprises a first arrangement having a plurality of focusing elements present in a first grid, and a second arrangement having a plurality of microscopic structures present in a second grid. Here, the first and second arrangement are disposed in such a way that the microscopic structures of the second arrangement are seen magnified when viewed through the focusing elements of the first arrangement. The second authenticating feature is machine and/or visually verifiable and is not influenced by the first arrangement of the first authenticating feature.
Patent details
- Publication number
- US 2,008,160,226
- Filing date
- 2006-02-10
- Grant date
- Application — not yet granted
- Assignee
- Giesecke & Devriend Gmbh
- Inventor(s)
- KAULE WITTICH, HEIM MANFRED, DICHTL MARIUS, HOFFMULLER WINFRIED
- CPC class
- B42D25/373
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