Patent ID: 7322687
Filing Date: 2008-01-29
Classification: B41J,B41M,C09D

Abstract:
1. An inkjet recording method comprising the step of: forming a color image with respective inks of at least cyan, magenta, yellow and black on a recording medium by while scanning a recording head multiple times on a same recording area of the recording medium, forming a thinned-out image according to a thinning-out pattern without regularity in each scanning, the recording head having a plurality of nozzle sections for jetting inks, wherein a nozzle pitch of the recording head is from 10 to 50 μm, the respective inks contain pigments, at least one organic solvent with high boiling point and water, a surface tension of the respective inks is from 30 to 50 mN/m, the yellow ink contains C.I. Pigment Yellow 128 as pigment, in the recording medium, a transferred amount at 0.04 sec of time by Bristow method is 10 ml/m a printing acceptable rate of the thinning-out pattern is from 15 to 35%, and dot sizes formed by the ink jetted from the recording head are from 10 to 50 μm on the recording medium.