Inkjet head with high density nozzle packing

Details Inkjet head with high density nozzle packing Inkjet head with high density nozzle packing

2004-03-01

2008-08-19

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S012000, C347S070000

Reexamination Certificate

active

07413294

ABSTRACT:
An inkjet head includes a common ink puddle section, a nozzle plate having a plurality of nozzle orifices, an ink flow channel substrate having grooves communicating from the common ink puddle section to the nozzle orifices, and being formed alternatively in front and back surfaces of the ink flow channel substrate, to end sections of the grooves the nozzle plate being fixed, a chamber plate being stacked on the ink flow channel substrate, and having pressure generation chambers corresponding to the nozzle orifices, a diaphragm stacking on the chamber plate opposite from the ink flow channel substrate, a pressure generator provided on the diaphragm for the respective pressure generation chambers to generate a change in an internal pressure. Preferably, a volumetric capacity of the pressure generation chambers is changed in accordance with a change in the pressure, to eject an ink droplet from the nozzle orifice.

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English Translation of “Ink Jet Head,” Kamisuke et al., JP 06008449A, translated May 2007.

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