Invention Grant
- Patent Title: Method of manufacturing liquid ejection head
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Application No.: US16005958Application Date: 2018-06-12
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Publication No.: US10562306B2Publication Date: 2020-02-18
- Inventor: Seiichiro Yaginuma , Koji Sasaki , Kazuhiro Asai
- 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: JP2017-119876 20170619
- Main IPC: B41J2/16
- IPC: B41J2/16
Abstract:
A liquid ejection head is manufactured by covering a mold material arranged on a patterned protecting layer on a substrate and subsequently removing the mold material to produce a flow path. A sacrificial layer employed as the mold material operates as mask for patterning the protecting layer.
Public/Granted literature
- US20180361747A1 METHOD OF MANUFACTURING LIQUID EJECTION HEAD Public/Granted day:2018-12-20
Information query
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