发明授权
US08287093B2 Drop ejection assembly 有权
卸料组件

Drop ejection assembly
摘要:
A drop ejection device including a flow path in which fluid is pressurized to eject drops from a nozzle opening on a surface, a piezoelectric actuator for pressurizing said fluid, and one or more waste fluid control apertures on the surface proximate the nozzle opening, the one or more apertures being isolated from the flow path.
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