Security Element, And Method For Producing A Security Element
Patent No. EP3600903 (titled "Security Element, And Method For Producing A Security Element") was filed by OVD Kinegram on Mar 23, 2018. The application was issued on Nov 20, 2024.
Patent Summary
Security element with improved visual effect, comprising a transfer layer with microstructures that produce a 3D effect when viewed from different angles. The microstructures are arranged in curved paths with varying curvature, and their local orientation corresponds to the path curvature. The element exhibits a monochromatic appearance with no rainbow effects, and its diffraction patterns are optimized for specific wavelengths.
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Date
Description
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EP3600903
- Application Number
- EP18712904A
- Filing Date
- Mar 23, 2018
- Status
- Granted And Under Opposition
- Oct 18, 2024
- Publication Date
- Nov 20, 2024
- External Links
- Slate, Register , Google Patents