Printhead incorporating nozzle assembly containment

Details Printhead incorporating nozzle assembly containment Printhead incorporating nozzle assembly containment

2005-08-16

2005-08-16

Hsieh, Shih-Wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

06929348

ABSTRACT:
A printhead includes a substrate that defines a plurality of ink inlet conduits. A plurality of nozzle assemblies is positioned on the substrate. Each nozzle assembly defines a nozzle chamber in fluid communication with a respective ink inlet conduit and a nozzle opening from which ink is ejected. A guard member is positioned on the substrate and is spaced from the nozzle assemblies. The guard member defines a plurality of apertures that are aligned with respective nozzle openings. A plurality of containment walls are disposed about respective nozzle assemblies and interposed between the substrate and the guard member to define a plurality of containment chambers. Each nozzle assembly is positioned in a respective containment chamber.

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patent: 2001130009 (2001-05-01), None
patent: WO 00/23279 (2000-04-01), None

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