| 摘要 |
An ink-jet recording head has nozzles capable of independent ejection and being arranged in high density, in which strength is high, fabricating yield is high, a cost is reduced, ejection efficiency is high, and ejection repeating frequency is high. In this ink-jet recording head, there are two-dimensionally arranged units, in each of which an ink pressure chamber, a partition wall serving as a driving portion, a pressure buffer chamber and a fixed wall are arranged in the same direction.
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