Inkjet printhead nozzle assembly having a raised rim to...

Details Inkjet printhead nozzle assembly having a raised rim to... Inkjet printhead nozzle assembly having a raised rim to...

2008-05-07

2010-02-02

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S047000, C347S020000, C347S044000

Reexamination Certificate

active

07654643

ABSTRACT:
Provided is a nozzle assembly for an inkjet printhead. The nozzle assembly includes a substrate defining a nozzle chamber and an ink inlet channel leading to the chamber. The nozzle assembly also includes a nozzle defined on the substrate and located over the nozzle chamber, the nozzle having a crown portion with a skirt portion depending from the crown portion, the skirt portion forming a first part of a peripheral wall portion of the nozzle chamber, the nozzle surrounded by a raised rim which supports a meniscus of a body of ink in the nozzle chamber. Also included is an actuator with a connecting arm fast with the nozzle to operatively displace the nozzle towards the substrate, wherein the nozzle, actuator and connecting arm are defined according to micro-electromechanical systems (MEMS) techniques.

REFERENCES:
patent: 5754198 (1998-05-01), Nishikawa
patent: 5790149 (1998-08-01), Abe et al.
patent: 5828390 (1998-10-01), Thiel
patent: 5966148 (1999-10-01), Rogers et al.
patent: 6328417 (2001-12-01), Silverbrook
patent: 6786574 (2004-09-01), Silverbrook
patent: 6824252 (2004-11-01), Silverbrook
patent: 0750987 (1997-01-01), None
patent: 0921003 (1999-06-01), None
patent: WO 89/02577 (1989-03-01), None
patent: WO 97/28000 (1997-08-01), None

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