Inkjet head with filter for ink supply openings

Details Inkjet head with filter for ink supply openings Inkjet head with filter for ink supply openings

2005-02-23

2008-10-07

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S071000

Reexamination Certificate

active

07431444

ABSTRACT:
There is provided an inkjet head with a plurality of nozzle rows, each of which has a plurality of nozzles arranged along a first direction. A plurality of fluid channels connects a plurality of common ink chambers to the plurality nozzles via the plurality of pressure chambers, and a plurality of ink supply openings corresponds to the plurality of common ink chambers. Each of the plurality of ink supply openings communicates with a corresponding one of the plurality of common ink chambers. The inkjet head also includes a filter that covers the plurality of ink supply openings. The filter includes filtering portions that eliminate dust in ink flowing therethrough. Each filtering portion respectively corresponds to one of the plurality of ink supply openings, and is configured such that each filtering portion's dimension in the first direction is longer than its dimension in the second direction when viewed in plan view.

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