Drop ejection assembly

Details Drop ejection assembly Drop ejection assembly

2007-07-03

2007-07-03

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S030000

Reexamination Certificate

active

10749829

ABSTRACT:
A fluid delivery device includes a plurality of nozzle openings from which fluid is ejected and a waste control aperture. For example, a drop ejection device, including a flow path in which fluid is pressurized to eject drops from a nozzle opening, a piezoelectric actuator for pressurizing the fluid, and one or more waste fluid control apertures proximate the nozzle opening, the aperture being in communication with a vacuum source.

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