Process for producing liquid ejection head
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United States of America Patent
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Aug 23, 2016
Grant Date -
Mar 13, 2014
app pub date -
Aug 1, 2013
filing date -
Sep 11, 2012
priority date (Note) -
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Abstract
The invention provides a process for producing a liquid ejection head having an ejection orifice forming member in which an ejection orifice for ejecting a liquid has been formed, and a substrate having an energy-generating element for generating energy for ejecting a liquid from the ejection orifice on the side of a front surface thereof, the process includes the steps of providing a film having a support, a first layer and a second layer in this order, arranging the film on the substrate in such a manner that the second layer faces the front surface, detaching the support from the film arranged, forming the ejection orifice in the second layer, and removing at least a part of the first layer from the second layer.
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