| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid ejection head in which a pressure loss balance of a nozzle and a supply throttle which communicates with each pressure chamber is made stable among the pressure chambers, and to provide a liquid ejection apparatus and an image forming apparatus. SOLUTION: The liquid ejection head is equipped with a plurality of ejection ports which eject a liquid, a plurality of the pressure chambers which communicate with each of the plurality of ejection ports, a common liquid chamber in which the liquid to be supplied to the plurality of pressure chambers is stored, and the supply throttle which constitutes at least a part of a supply passage that makes the common liquid chamber and the pressure chambers communicate with each other. At least a part of the supply throttle and the ejection ports which communicate with the separate pressure chambers is worked by the same laser beam. COPYRIGHT: (C)2006,JPO&NCIPI
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