Method for manufacturing liquid ejection head
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United States of America Patent
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Jan 9, 2018
Grant Date -
Nov 24, 2016
app pub date -
Apr 25, 2016
filing date -
May 19, 2015
priority date (Note) -
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Abstract
A method for manufacturing a liquid ejection head including a substrate having a terminal for electrical connection to an external device, an inorganic material layer on the substrate, and a flow path member disposed on the inorganic material layer and containing an organic material, and the manufacturing method includes a cleaning step of removing a silane coupling agent attached to the terminal by using a solution containing hydrogen fluoride, ammonium fluoride, and a water-soluble organic solvent.
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