发明名称 LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING THE SAME
摘要 Provided is a liquid ejection head, including: a substrate including: a supply port that is a through hole for supplying liquid; an energy generating element for generating energy to be used for ejecting the liquid; a first film that covers the energy generating element; and a second film formed on the first film; and a flow path forming member bonded to the substrate, for forming a flow path for supplying the liquid supplied from the supply port to an ejection orifice, in which when viewed from a direction perpendicular to the substrate, an end portion of the first film extends inwardly from an opening edge of the supply port, and an end portion of the second film is located between the opening edge of the supply port and the end portion of the first film.
申请公布号 US2014035997(A1) 申请公布日期 2014.02.06
申请号 US201313951730 申请日期 2013.07.26
申请人 CANON KABUSHIKI KAISHA 发明人 TAKAGI YOSUKE;AKAMA YUICHIRO;FUJII KENJI;CHIDA MITSURU
分类号 B41J2/14;B41J2/16 主分类号 B41J2/14
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