Inkjet recording head and inkjet recording apparatus using...

Details Inkjet recording head and inkjet recording apparatus using... Inkjet recording head and inkjet recording apparatus using...

2006-08-15

2006-08-15

Hsieh, Shih-Wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S065000

Reexamination Certificate

active

07090340

ABSTRACT:
An inkjet recording head includes: a nozzle plate having nozzles arranged in a row; a plurality of pressure generating chambers communicating to the nozzles, the plurality of pressure generating chambers including a first pressure generating chamber and a second pressure generating chamber; a diaphragm formed on one face of the pressure generating chamber; a common ink chamber for supplying the ink to the plurality of pressure generating chambers; and a piezoelectric element for displacing the diaphragm. The first pressure generating chamber is disposed on one side of the nozzles and a second pressure generating chamber is disposed on the other side. The first and second pressure generating chambers are opposed to each other across the nozzles so that the central lines of the first and second pressure generating chambers are almost coincident.

REFERENCES:
patent: 5604522 (1997-02-01), Miura et al.
patent: 5710584 (1998-01-01), Suzuki et al.
patent: 6089701 (2000-07-01), Hashizume et al.
patent: 6-8422 (1994-01-01), None
patent: 8-11304 (1996-01-01), None
patent: 2000-289233 (2000-10-01), None

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