- 专利标题： Liquid ejection head substrate and manufacturing method of the same
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申请号： US16928326申请日： 2020-07-14
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公开(公告)号： US11318744B2公开(公告)日： 2022-05-03
- 发明人: Yuzuru Ishida , Takeru Yasuda , Tsubasa Funabashi , Yoshinori Misumi , Maki Kato
- 申请人： CANON KABUSHIKI KAISHA
- 申请人地址： JP Tokyo
- 专利权人： CANON KABUSHIKI KAISHA
- 当前专利权人： CANON KABUSHIKI KAISHA
- 当前专利权人地址： JP Tokyo
- 代理机构： Venable LLP
- 优先权： JPJP2019-133802 20190719,JPJP2020-089788 20200522
- 主分类号： B41J2/14
- IPC分类号： B41J2/14 ; B41J2/16
摘要：
An electrode pad portion of a liquid ejection head substrate includes a layer containing one of an iridium metal and an iridium alloy, and at least a portion of a cavitation resistant layer is provided in the same layer with the same material as the layer containing one of the iridium metal and the iridium alloy.
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