Inkjet recording head and inkjet recording apparatus using the same
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United States of America Patent
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Aug 15, 2006
Grant Date -
Jun 10, 2004
app pub date -
Dec 3, 2003
filing date -
Dec 4, 2002
priority date (Note) -
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status (Latency Note)
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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.
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