INKJET INK, INK SET, INK CARTRIDGE, INKJET DEVICE, AND RECORD

There is provided recorded matter including a printed image which can be detected without using ultraviolet light. There is also provided an ink for liquid droplet discharge, an ink set, an ink cartridge, and a liquid droplet discharging apparatus which can be suitably used for producing the recorde...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SONOYAMA Takuya, WATANABE Shotaro
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:There is provided recorded matter including a printed image which can be detected without using ultraviolet light. There is also provided an ink for liquid droplet discharge, an ink set, an ink cartridge, and a liquid droplet discharging apparatus which can be suitably used for producing the recorded matter. An ink for liquid droplet discharge of the invention includes particles formed of a material that emits upconversion light. It is preferable that an average particle diameter of the particles be 10 nm or more and 200 nm or less. It is preferable that a content of the particles in the ink for liquid droplet discharge be 0.1% by mass or more and 20% by mass or less. It is preferable that the ink for liquid droplet discharge be colorless. It is preferable that the particles be formed of a material containing an inorganic substance.