Invention Grant
- Patent Title: Liquid discharge recording head
- Patent Title (中): 液体放电记录头
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Application No.: US12790635Application Date: 2010-05-28
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Publication No.: US08529020B2Publication Date: 2013-09-10
- Inventor: Ryohei Goto
- Applicant: Ryohei Goto
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA Inc IP Division
- Priority: JP2009-134074 20090603; JP2010-072951 20100326
- Main IPC: B41J2/14
- IPC: B41J2/14 ; B41J2/16 ; B41J2/15 ; B41J2/145

Abstract:
A liquid discharge recording head includes: a recording element substrate including a plurality of recording elements and discharge ports for discharging liquid; an electric wiring board including an opening for disposing the recording element substrate, and a plurality of electrode terminals disposed at an edge of the opening and electrically connected to a plurality of electrodes provided at an edge of the recording element substrate; a supporting plate supporting the recording element substrate and the electric wiring board and including a material having a linear expansion coefficient lower than the linear expansion coefficient of the electric wiring board; and a cover plate including a material having a linear expansion coefficient lower than the linear expansion coefficient of the electric wiring board, stacked on the electric wiring board on the supporting plate and fixed to both the supporting plate and the electric wiring board.
Public/Granted literature
- US20100309257A1 LIQUID DISCHARGE RECORDING HEAD Public/Granted day:2010-12-09
Information query
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