Ink jet curl outwards mechanism

Details Ink jet curl outwards mechanism Ink jet curl outwards mechanism

2006-04-04

2006-04-04

Barlow, John (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S020000, C347S044000, C347S047000

Reexamination Certificate

active

07021746

ABSTRACT:
A nozzle arrangement for an ink jet printhead includes a wafer substrate having a nozzle chamber defined therein. The nozzle arrangement has a nozzle chamber wall that defines an ink ejection port and a rim about the ink ejection port. A series of radially positioned actuators are connected to the wafer substrate and extend radially inwardly towards the rim. Each actuator is configured so that a radially inner edge of each actuator is displaceable, with respect to the nozzle rim, into the chamber, upon actuation of the actuator and so that, upon such displacement, a pressure within the nozzle chamber is increased, resulting in the ejection of ink from the ejection port.

REFERENCES:
patent: 4855567 (1989-08-01), Mueller
patent: 5812159 (1998-09-01), Anagnostopoulos et al.
patent: 5896155 (1999-04-01), Lebens et al.
patent: 6007187 (1999-12-01), Kashino et al.
patent: 6247790 (2001-06-01), Silverbrook

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