Liquid discharge head and manufacturing method of the same
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United States of America Patent
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May 7, 2013
Grant Date -
Mar 29, 2012
app pub date -
Sep 15, 2011
filing date -
Sep 29, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid discharge head having a liquid discharge head substrate including an element row in which a plurality of energy generating elements for generating thermal energy for use in discharging liquid are arranged, and a discharge port member corresponding to each of the plurality of energy generating elements, the discharge port members including a plurality of walls in contact with the liquid discharge head substrate to form a plurality of liquid chambers for storing liquid and a plurality of discharge ports which communicate with each of the plurality of the liquid chambers to discharge liquid with the thermal energy generated by the energy generating element. The liquid discharge head further includes a plurality of heat dissipating members corresponding to each of the plurality of the liquid chambers and having a first portion exposed to the liquid chamber and a second portion exposed to the atmosphere.
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