Liquid ejection head substrate and liquid ejection head
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United States of America Patent
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May 26, 2015
Grant Date -
Oct 9, 2014
app pub date -
Apr 1, 2014
filing date -
Apr 3, 2013
priority date (Note) -
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Abstract
A liquid ejection head substrate includes:
- a plurality of energy generating element arrays each including a plurality of energy generating elements configured to generate energy for ejecting liquid;a supply port array in which a plurality of supply ports configured to supply liquid to the plurality of energy generating elements are arranged between the plurality of energy generating element arrays in an arrangement direction in which the plurality of energy generating elements are arranged;a temperature detection element that is configured to detect a temperature of the liquid ejection head substrate and that is provided on one side of the supply port array; anda heating element that is configured to heat the liquid ejection head substrate and that is provided on the other side of the supply port array.
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