COPY PREVENTING PAPER

COPY PREVENTING PAPER

PURPOSE: To provide copy preventing paper having a high copy preventing function, easy operability and excellent readability by using translucent paper of which surface is colored by blue black or green black and rear face is colored by yellow or fluorescent yellow. CONSTITUTION: Translucent paper o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SHIGEMITSU MASAHIRO
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:PURPOSE: To provide copy preventing paper having a high copy preventing function, easy operability and excellent readability by using translucent paper of which surface is colored by blue black or green black and rear face is colored by yellow or fluorescent yellow. CONSTITUTION: Translucent paper of which surface is colored by blue black or green black (e.g. ink containing pigment having 470 to 490nm absorption main wavelength is applied) and rear face is colored by yellow or fluorescent yellow so that the reflection rate of a visible part is