| 摘要 |
PROBLEM TO BE SOLVED: To provide an inkjet recording head which enables an enlargement of size to be suppressed even in the configuration equipped with two or more nozzle trains. SOLUTION: The inkjet recording head is equipped with two or more delivery port trains H1202a, H1202b and H1202c where a plurality of delivery ports for delivering inks are arranged, two or more nozzle trains where a plurality of nozzles communicating to each delivery port are arranged and a recording-element substrate H1100 where a plurality of an electricity-heat conversion element H1103 for giving a delivery energy to inks filled up in nozzles are composed. Among two or more ink-feed ports for feeding inks to a plurality of nozzle trains respectively, the ink-feed port H1102b is composed inside the recording-element substrate H1100, and other ink-feed ports H1102a and H1102c are composed so that they may pass along side part of the recording-element substrate H1100. COPYRIGHT: (C)2006,JPO&NCIPI
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