Liquid ejection head and production process thereof
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United States of America Patent
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Sep 15, 2015
Grant Date -
Mar 5, 2015
app pub date -
Aug 15, 2014
filing date -
Sep 2, 2013
priority date (Note) -
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Abstract
A liquid ejection head includes a substrate and a flow path forming member on the substrate, the flow path forming member forming an ejection orifice from which a liquid is ejected and a liquid flow path. The flow path forming member is formed of an inorganic material, contains at least a flow path side wall portion forming a side of the liquid flow path and has a member covering a substrate side end part of an inner wall of the flow path side wall portion.
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