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Technology Fluorescent inks
 
Protection strategy Product authentication
Type Overt feature
System Security inks
Medium Secondary packaging
Authentication/Identificaton Authentication
Traceability No
Cost Price on request
Required equipment Irradiation with light of a different wavelength (e.g. UV light)
Vertification level Pharmacist;
User (with the adequate light excitation source)
N.B.
Description Fluorescence is the emission of light by matter after irradiation with light of a different wavelength. The fluorescent inks normally used for security purposes glow visibly under ultraviolet light. The effect is immediately reversible, and fluorescence ends when the excitation light is removed.
 
Strengths Low cost;
Can deter simple attempts at counterfeiting (such as color photocopying);
Easily verifiable with a blacklight (if the ink used glow under ultraviolet);
 
Limitations Not considered high security option;
Easily reproduced;
Require a light source with a specific wavelength;
 
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