- Patent Title: Liquid ejection head substrate and manufacturing method of the same
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Application No.: US16928326Application Date: 2020-07-14
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Publication No.: US11318744B2Publication Date: 2022-05-03
- Inventor: Yuzuru Ishida , Takeru Yasuda , Tsubasa Funabashi , Yoshinori Misumi , Maki Kato
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JPJP2019-133802 20190719,JPJP2020-089788 20200522
- Main IPC: B41J2/14
- IPC: B41J2/14 ; B41J2/16
Abstract:
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.
Public/Granted literature
- US20210016569A1 LIQUID EJECTION HEAD SUBSTRATE AND MANUFACTURING METHOD OF THE SAME Public/Granted day:2021-01-21
Information query
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