Inkjet recording method and inkjet recording apparatus

Incremental printing of symbolic information – Ink jet – Ejector mechanism

Reexamination Certificate

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C347S098000, C347S101000

Reexamination Certificate

active

11107247

ABSTRACT:
An inkjet recording method and apparatus includes: forming a color image with color inks and an invisible ink by while scanning a first recording head multiple times on a same recording area of the recording medium, forming a thinned-out image, and jetting an invisible ink from a second recording head in accordance with an adhering amount of the color inks per unit area, wherein a nozzle pitch of the first recording head is from 10 to 50 μm, the color inks contain pigments, organic solvent with high boiling point and water, a dot formed by the color inks has a size of 10 to 50 μm, the recording medium has a transferred amount at 0.04 seconds of absorption time of 10 ml/m2or more, a micro-porous layer containing inorganic fine particles and a hydrophilic binder and a 20-degree specular gloss of 20 to 45%.

REFERENCES:
patent: 2006/0017767 (2006-01-01), Matsuzawa et al.
patent: 7-52390 (1995-02-01), None
patent: 2001-205827 (2001-07-01), None
patent: 2002-96461 (2002-04-01), None
patent: 2002-144552 (2002-05-01), None
patent: 2003-136836 (2003-05-01), None
patent: 2003-266913 (2003-09-01), None
patent: 2003-286428 (2003-10-01), None
patent: 2004-136468 (2004-05-01), None
patent: WO 02/087886 (2002-11-01), None

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