Liquid ejection head and printing apparatus
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United States of America Patent
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Oct 11, 2011
Grant Date -
Jun 18, 2009
app pub date -
Dec 1, 2008
filing date -
Dec 5, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A reliable print head with improved reliability is less likely to be damaged by possible cavitation in ink inside a bubbling chamber. A plurality of ink supply paths through which the ink is supplied to the bubbling chamber are connected to the bubbling chamber. Communication positions where the plurality of ink supply paths communicate with the energy acting chamber are formed such that distances from a heater formation surface of the communication positions are different from each other along a direction orthogonal to the heater formation surface.
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