Liquid ejecting head
AssigneeCanon Kabushiki Kaisha
InventorMichinari Mizutani
Life of this patent
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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.
Claims10
A liquid ejecting head comprising:
- 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
- the ejection ports are each 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 grooves in the first direction, which includes centers of the ejection ports, the grooves each have an inner wall surface in a circular arc shape, and
- the grooves each have an aperture which is larger than an aperture of the ejection ports, in the first direction.
A liquid ejecting head comprising:
- 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
- the ejection ports are each 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 grooves in the first direction, which includes centers of the ejection ports, the grooves each have an inner wall surface of an inclined plane, and
- the grooves each have an aperture which is larger than an aperture of the ejection ports, in the first direction.
Dependencies are inferred from the claim text.