Liquid ejecting head, liquid ejecting apparatus and method for manufacturing liquid ejecting head
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United States of America Patent
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Mar 3, 2015
Grant Date -
Aug 7, 2014
app pub date -
Jan 30, 2014
filing date -
Feb 1, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A liquid ejecting head includes a communication hole that has a first opening which communicates with a pressure chamber side where pressure is applied to a supplied liquid at one end and a second opening which communicates with a nozzle side ejecting the liquid to which the pressure is applied at the other end, and communicates the pressure chamber and the nozzle with each other, an opening area of the second opening being larger than an opening area of the first opening. An inclined surface that is directed to the second opening is provided on a side where a distance between an edge of the first opening and an edge of the second opening in the first direction is shorter than on the other end side so that stagnation in the flow of the liquid and reduction in bubble discharge are prevented and stable liquid ejection is achieved.
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