| 摘要 |
An ink jet recording head includes an ink supply system, and a plurality of pressure chambers each including a nozzle for ejecting an ink droplet. The ink supply system has a flow resistance r satisfying the following relationship: r < 800/(q .cndot. N .cndot. f) wherein q, N and f represent the droplet volume ejected from each nozzle, number of pressure chambers, and the ejection frequency, respectively. The ink jet recording head achieves a stable simultaneous ejection from all the nozzles at a higher frequency and for an ink having a higher viscosity.
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