Ink-jet recording process

Details Ink-jet recording process Ink-jet recording process

2007-06-05

2007-06-05

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C106S031600, C106S031130

Reexamination Certificate

active

10765037

ABSTRACT:
Disclosed herein is an ink-jet recording process for conducting recording by ejecting a pigment ink and a reaction liquid containing a polyvalent metal salt from a recording section, in which a plurality of nozzles for ejecting the pigment ink and the reaction liquid are arranged, to a recording medium while relatively scanning the recording section to the recording medium, comprising the steps of ejecting the pigment ink having a surface tension lower than that of the reaction liquid to the reaction liquid ejected on the surface of the recording medium; and forming a filmy aggregate by gathering of agglomerates at an interface where the reaction liquid has come into contact with the pigment ink, wherein conditions for ejecting the reaction liquid to a prescribed area on the recording medium when at least the print duty of the ink in the prescribed area is 100% satisfy the relationship of55×0.85×106×Vd⁡(pl)-0.61Rx⁡(dpi)⁢Ry⁡(dpi)≤duty⁡(%)≤125×0.85×106×Vd⁡(pl)-0.61Rx⁡(dpi)⁢Ry⁡(dpi)wherein Vd(pl) is an ejection volume per dot of the reaction liquid, Rx(dpi) is a print resolution in the direction of the relative scanning, Ry(dpi) is a print resolution in the arrangement direction of the nozzles, and duty(%) is a print duty of the reaction liquid.

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