LIQUID DISCHARGE HEAD
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United States of America Patent
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Issued Date -
May 21, 2015
app pub date -
Apr 22, 2013
filing date -
May 16, 2012
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Abstract
A liquid discharge head has a substrate, an energy generating element which generates energy for discharging liquid, and an orifice plate in which a discharge orifice which discharges liquid is formed, in which the orifice plate contains silicon and carbon and when the content ratio of the silicon is defined as X (atom %) and the content ratio of the carbon is defined as Y (atom %), Y/X is 0.001 or more.
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