Near-infrared spectroscopy and hidden graphics applied in printing security documents in the offset technique

The method of mixing pigments for the printing technology is expanded with the addition of dual states in security graphics. Near-infrared spectroscopy of colorants used in the offset technique has brought about the concept of targeted design by a selective use of colorants that are visible in the v...

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Bibliographic Details
Main Authors: Vilko Žiljak*, Jana Žiljak Gršić, Denis Jurečić, Tonči Jeličić
Format: Article
Language:English
Published: University North 2019-01-01
Series:Tehnički Glasnik
Subjects:
Online Access:https://hrcak.srce.hr/file/333674