NEAR-INFRARED RAY ABSORPTION FILM AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a near-infrared ray absorption film which has a near-infrared ray absorption layer, is capable of selectively absorbing near-infrared rays, hardly causes a variation of tone in the film longitudinal direction and has an excellent appearance of the near-infrared ray a...

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Bibliographische Detailangaben
Hauptverfasser: MORI KENICHI, MORISHIGE CHIKAO, KAMISAKA TASUKU, ONOMICHI SHINYA
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a near-infrared ray absorption film which has a near-infrared ray absorption layer, is capable of selectively absorbing near-infrared rays, hardly causes a variation of tone in the film longitudinal direction and has an excellent appearance of the near-infrared ray absorption layer, and to provide a manufacturing method of the near-infrared ray absorption film. SOLUTION: The long size near-infrared ray absorption film comprises the near-infrared ray absorption layer containing a near-infrared ray absorbing pigment, resin and surfactant, and a transparent base material. Therein, the maximum value of a color difference Δ calculated from the tone measured at every prescribed measurement parts is ≤2.0. COPYRIGHT: (C)2005,JPO&NCIPI