Liquid ejecting head and liquid ejecting apparatus
AssigneeSeiko Epson Corporation
InventorsManabu Taniguchi, Takanori Aimono
Life of this patent
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Abstract
A liquid ejecting head includes a plurality of nozzles arranged in a Y direction and ejecting liquid in a Z direction intersecting with the Y direction; and a plurality of nozzle flow passages each being continuous to corresponding one of the plurality of nozzles and extending in an X direction intersecting with the Y direction and with the Z direction, wherein each of the plurality of nozzles includes a first portion and a second portion, the second portion being located closer to the nozzle flow passage in the Z direction than the first portion is, capacity of the first portion is smaller than capacity of the second portion, and M2/M1<0.26, where M1 is inertance of the first portion, and M2 is inertance of the second portion.
Claims13
A liquid ejecting head, comprising:
- a plurality of nozzles arranged in a Y direction and ejecting liquid in a Z direction intersecting with the Y direction;
- and
- a plurality of nozzle flow passages each being continuous to corresponding one of the plurality of nozzles and extending in an X direction intersecting with the Y direction and with the Z direction, wherein
- each of the plurality of nozzles includes a first portion and a second portion, the second portion being located closer to the nozzle flow passage in the Z direction than the first portion is,
- capacity of the first portion is smaller than capacity of the second portion, and
- M2/M1<0.26, where M1 is inertance of the first portion, and M2 is inertance of the second portion.
Dependencies are inferred from the claim text.