| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that the image density of the image corresponding to the downstream portion of an ink flowing channel becomes low in an inkjet head moving charged color material particle by a migration electric field to a discharge side. SOLUTION: Electrodes, the ink flow channel and the like are constituted such that the ink condensation power in the ink flow channel becomes higher in the downstream. For example, the electric field intensity in the ink flow channel is made higher in the down stream. COPYRIGHT: (C)2008,JPO&INPIT
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