What does optically variable ink mean?
Definitions for optically variable ink
op·ti·cally vari·able ink
This dictionary definitions page includes all the possible meanings, example usage and translations of the word optically variable ink.
Wikipedia
Optically variable ink
Optically variable ink (OVI) also called Color shifting ink is an anti-counterfeiting measure used on many major modern banknotes, as well as on other official documents (professional licenses, for example). The ink displays two distinct colors depending on the angle the bill is viewed at. The United States fifty-dollar bill, for example, uses color shifting ink for the numeral 50 so that it displays copper at one angle and bright green in another.OVI is particularly useful as an anti-counterfeiting measure as it is not widely available. One major manufacturer is a Swiss company called SICPA (Société Industrielle et Commerciale de Produits pour l'Agriculture). Additional suppliers include Sun Chemical (through their Brand Protection Division based in Manchester, UK), the Brazilian company Sellerink, located in São Paulo, Brazil and the Swiss company Printcolor Screen AG, located in Berikon, Switzerland. Color-shifting inks reflect various wavelengths in white light differently, depending on the angle of incidence to the surface. An unaided eye will observe this effect as a change of color while the viewing angle is changed. A color copier or scanner can copy a document only at one fixed angle relative to the document’s surface.
Numerology
Chaldean Numerology
The numerical value of optically variable ink in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of optically variable ink in Pythagorean Numerology is: 1
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"optically variable ink." Definitions.net. STANDS4 LLC, 2024. Web. 29 Apr. 2024. <https://www.definitions.net/definition/optically+variable+ink>.
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