What it is
UV security printing uses inks or coatings designed to reveal controlled colors or patterns under a specified ultraviolet light source.
HOW IT WORKS
Technical principle
Selected materials absorb UV energy and emit visible light. Elements may be printed as static artwork or, where the workflow supports it, related to personalized data.
Why it is used
It adds a distinct inspection method to the credential and complements material, printed, personalized or machine-readable controls.
Security benefits
- Covert inspection layer
- Flexible pattern design
- Combination with microtext or guilloche
- Integration into overlays and printed layers
MATERIAL COMPATIBILITY
Integration starts with the card stack
Ink adhesion and fluorescence should be tested on the intended PET, PVC, polycarbonate or coated surface and after lamination.
MANUFACTURING CONSIDERATIONS
Control points
- Excitation wavelength and inspection method
- Ink/substrate adhesion
- Color response after lamination
- Registration and artwork control
APPLICATIONS
Where it can be used
Driver licensesNational ID cardsResidence permitsVehicle registration cardsGovernment credentialsEmployee credentials
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