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Tag: inks

Security by Design: False Split Fountains

Joel Zlotnick, Jordan Brough and Troy Eberhardt The first three papers in this series described how counterfeiters reverse engineer security document artwork and proposed security...

Transparent ink

Transparent ink that becomes visible/invisible, depending on the angle of view and/or light.

UV Ink

Ink that is invisible to the naked eye and that becomes visible when irradiated with Ultra Violet (UV) light. This can consist of text, a...

Spark

An optically variable ink that changes colour and brightness, giving the impression of dynamic movement.

Thermochomatic ink

Ink that changes colour in response to a source of heat or cold. Once the heat source has been removed, the colour change (shift)...

Phosphor ink

Ink that emits light following exposure to a light source (ambient or UV light).

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Mongolia gets new tugrik notes

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The Central Bank of Mongolia announced the introduction of the improved notes of MNT 50 and MNT 20,000 into circulation. Banknotestreet reports the notes have...

Ribcuts

Keesing Journal 7

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US Biometric and identity intelligence programme

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In the final article of this series, Joshua Steinhauer discusses three important areas that should be considered when evaluating the benefit of establishing a full...

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