| 摘要 |
A liquid ejection head mounted in a liquid ejection apparatus for ejecting liquid includes a first substrate including a pressure generating element for applying pressure to the liquid, a second substrate including a control circuit for controlling the drive of the pressure generating element, an external wiring member for electrically connecting the first substrate to the second substrate, a nozzle sheet having a nozzle for ejecting the liquid and a window portion through which a connection portion between the external wiring member and the first substrate is exposed to the outside. The window portion is sealed with a resin material and a seal portion formed from the resin material is cured so as to have a Shore D hardness of more than or equal to 55.
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