| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that a variation in length of a fluidity section causes a variation in velocity of a drop thus deteriorating image quality. SOLUTION: A channel 5 communicating with a nozzle 4, a pressurized liquid chamber 6 and an ink supply passage 7 are formed in a channel board 1. The pressurized liquid chamber 6 is provided with one ink supply passage 7 having a width W1 narrower than the pressurized liquid chamber 6 and a length L1 not shorter than 500μm. COPYRIGHT: (C)2004,JPO
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