PIGMENT BLACK AND DILUTE DYE INKS IN INK SET

An ink jet printhead includes at least three separate chambers. Each of the chambers has an exit orifice. The printhead contains an ink set including at least three separate inks. Each separate ink is contained in the separate chambers, the ink in the chambers being subject to some moderate entry of...

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Bibliographische Detailangaben
Hauptverfasser:	MEDLEY JOHN M, MCCAIN SANDRA H
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES TARIFF METERING APPARATUS TESTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	An ink jet printhead includes at least three separate chambers. Each of the chambers has an exit orifice. The printhead contains an ink set including at least three separate inks. Each separate ink is contained in the separate chambers, the ink in the chambers being subject to some moderate entry of ink from other of the chambers. The ink set includes a first dilute dye-based color ink of a first color in a first of the chambers, a second dilute dye-based color ink of a second color in a second of the chambers, and a black ink having black pigment dispersed in water in a third of the chambers. The first dilute dye-based color ink and the second dilute dye-based color ink is compatible with the black ink when in the black ink in moderate amounts.