Sicpa awarded a US patent on the new optical effect layer (OEL) technology for securing documents and banknotes.
Tech OEL is big step forwad since it has sharp eye - catching effect and it is simple to verify the originality of the document.
The technology relies on the use of non-spherical magnetic or magnetizable particles dispersed in a coating.
This invention is focused mainly on the protection of security documents such as ID documents and banknotes, thus preventing illegal reproduction and falsification.
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