Invention Grant
- Patent Title: Liquid ejecting head
- Patent Title (中): 液体喷头
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Application No.: US13860828Application Date: 2013-04-11
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Publication No.: US08864286B2Publication Date: 2014-10-21
- Inventor: Michinari Mizutani
- Applicant: Canon Kabushiki Kaisha
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2012-094800 20120418
- Main IPC: B41J2/14
- IPC: B41J2/14

Abstract:
A liquid ejecting head includes: an orifice plate provided with an ejection port forming face which has an ejection port row formed thereon, the ejection port row including a plurality of ejection ports which eject a liquid arrayed in a first direction, wherein each of the ejection ports is formed inside a plurality of grooves which are provided on the ejection port forming face and extend in a second direction that intersects with the first direction, and with respect to a cross section of the groove in the first direction, which includes centers of the ejection ports, the groove has an inner wall surface in a circular arc shape, and the groove has an aperture larger than an aperture of the ejection port, in the first direction.
Public/Granted literature
- US20130278678A1 LIQUID EJECTING HEAD Public/Granted day:2013-10-24
Information query
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