Liquid ejection head and method of manufacturing the same
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Mar 24, 2016
filing date -
Apr 27, 2015
priority date (Note) -
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Abstract
A liquid ejection head includes a substrate having an energy generating element arranged therein and an ejection port forming member laid as superposed above the substrate. At least one ejection port is formed so as to run through the ejection port forming member. The ejection port forming member has a concave portion including the ejection port formed therein on the surface thereof opposite to the surface thereof facing the substrate, and has a convex portion on the surface of the ejection port forming member facing the substrate so as to correspond to the concave portion.
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