| 摘要 |
A liquid ejection device including a fluid chamber having a fluid outlet port in a wall of the chamber; a fluid inlet port in a wall of the chamber; a paddle located in the chamber and a thermal actuator, the thermal actuator including first and second arms coupled to the paddle, whereby heating of one of the arms causes the paddle to move from the from a rest state to an ejection state so as to eject fluid from the chamber through the outlet port, the paddle including first means to reduce fluid flow through the inlet port as the paddle moves from the rest state to the ejection state.
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