Droplet deposition method and apparatus

Details Droplet deposition method and apparatus Droplet deposition method and apparatus

2011-03-08

2011-03-08

Nguyen, Lamson D (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S071000

Reexamination Certificate

active

07901040

ABSTRACT:
In an ink jet printhead have an elongate ink chamber and a nozzle at one end, a continuous flow of ink is provided through a high impedance channel communicating with the chamber close to the nozzle. Ink is ejected through the nozzle by generating longitudinal acoustic waves in the fluid chamber. A high velocity ink flow into the chamber from the channel sweeps away from the nozzle debris or bubbles that might otherwise block the nozzle.

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