USED MAKING METHOD FOR SECURITY PAPER AND INHERENCE SECURITY PAPER TO COLOR CHANGE SECURITY COLOR STRING FOR ACCORDING TO SPECIALITY WAVELENGTH

USED MAKING METHOD FOR SECURITY PAPER AND INHERENCE SECURITY PAPER TO COLOR CHANGE SECURITY COLOR STRING FOR ACCORDING TO SPECIALITY WAVELENGTH

PURPOSE: Security paper having changing color according to a specific wavelength and a manufacturing method thereof are provided to prevent production of counterfeit bills and to reinforce security effects by improving yields of silver yarns. CONSTITUTION: Security paper having changing color accord...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHOI, DEOK KYU, KIL, CHUNG HA, JANG, YOON JIN
Format: Patent
Sprache:eng
Schlagworte:
IMPREGNATING OR COATING OF PAPER
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:PURPOSE: Security paper having changing color according to a specific wavelength and a manufacturing method thereof are provided to prevent production of counterfeit bills and to reinforce security effects by improving yields of silver yarns. CONSTITUTION: Security paper having changing color according to a specific wavelength includes a fluorescence ball(11), a silver thread(13), a dyed layer(12) and security paper. The security yarns(10) on which the dyed layer is formed, are interposed on the security paper. The fluorescence ball is made of an IR fluorescence material. The dyed layer is made of a UV fluorescence material.