Liquid ejection head and liquid ejection device
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United States of America Patent
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Mar 25, 2014
Grant Date -
Jan 17, 2013
app pub date -
Jul 11, 2012
filing date -
Jul 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid ejection head includes a nozzle plate, and a flow path member that is bonded to the nozzle plate, wherein the individual flow path includes a communicating portion that communicates with the nozzle openings and a pressure generating chamber that communicates with the communicating portion and has a width narrower than that of the communicating portion in the first direction, and wherein, in the flow path member, a first individual flow path row in which corresponding individual flow paths are arranged side by side in the first direction and a second individual flow path row where corresponding individual flow paths are arranged side by side in the first direction are arranged side by side in a second direction intersecting with the first direction, and each communicating portion of the second individual flow path row is provided between the pressure generating chambers of the first individual flow path row.
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