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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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Colorado Digital ID Now Accepted by Several Law Enforcement Agencies

Colorado was the first state in the United States to offer residents the option to electronically transmit digital identification, vehicle registration and proof of...

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All Myanmar banknotes to feature Aung San

The Central Bank of Myanmar (CBM) says it will introduce the image of independence hero General Aung San on all denominations of the country’s...

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