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LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS

  • US 20170232737A1
  • Filed: 01/19/2017
  • Published: 08/17/2017
  • Est. Priority Date: 02/12/2016
  • Status: Active Grant
First Claim
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1. A liquid ejection head provided with an ejection opening row in which a plurality of ejection openings for ejecting a liquid are arranged, the liquid ejection head comprising:

  • a pressure chamber that communicates with the ejection opening and includes a pressure generation element inside the pressure chamber, the pressure generation element generating a pressure used for ejecting the liquid;

    an opening for supplying the liquid to the pressure chamber;

    a passage extending along the ejection opening row to supply the liquid flowing in from the opening to the pressure chamber;

    a heater provided around the opening; and

    a temperature sensor provided in a region along the ejection opening row.

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