| 摘要 |
PROBLEM TO BE SOLVED: To suppress the temperature rise of a head due to the speeding-up and the densifying of recording. SOLUTION: In the inkjet recording head, in which a plurality of recording element board H1100 having delivery port trains composing of a plurality of delivery ports H1105 for delivering ink therethrough are arranged among the direction of the delivery port train on a supporting plate, flow passages H2001 are provided apart from ink flow passages H1104 to the recording element board extending along the arranging direction of a plurality of the recording element boards arranged on the supporting plate H1200. COPYRIGHT: (C)2009,JPO&INPIT |
