Tags Security feature

Tag: security feature

Colour-changing crystal glow could make better banknotes

A team of chemists in China has discovered a single compound that has a colour-modified afterglow. According to Chemistry World, this technique could protect banknotes...

Personalization of ID documents

Laser marking of ID documents is increasing. Mandated in European Union driving licences, selected by governments on every continent to personalise over one fifth...

Optiks™: past, present and future

In this article, Malcolm Knight discusses the history, technology and status of the banknote feature termed Optiks™. The journey has not been straightforward and...

Opalprint

Optically variable devices have become a ubiquitous part of everyday life, with holographic, opalescent and colour-shifting features adorning a multitude of products. Of these,...

Protecting vulnerable document elements

ID documents are valuable and must be protected against criminal attempts to counterfeit or tamper with them. The personal data, and in particular the...

The golden harmony of Fibonacci

With the introduction of a multitude of technological innovations in the banknote industry over the past decade, many banknote designs of our time tend...