Liquid ejection head
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United States of America Patent
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Feb 14, 2017
Grant Date -
Jul 14, 2016
app pub date -
Jan 8, 2016
filing date -
Jan 9, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid ejection head includes a plurality of pressure chambers having respective ejection ports for ejecting liquid, a common liquid chamber communicating with the plurality of pressure chambers through individual liquid paths for supplying liquid to the respective pressure chambers, and a plurality of energy generating elements provided in the respective pressure chambers. The common liquid chamber has a first surface provided with the liquid paths and a second surface arranged vis-à-vis the first surface. Pressure waves sequentially generated with a time difference propagate from the respective liquid paths and are reflected by the second surface. The second surface has an inclined portion inclined relative to the first surface by a predefined inclination angle such that each pressure wave is returned to the first surface in a time not agreeing with the time difference.
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