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US 8,985,742 B2Granted
Liquid ejecting head and liquid ejecting apparatus
AssigneeSeiko Epson Corporation
InventorKinya Ozawa
Life of this patent
Estimating the term…
Abstract
There is provided a liquid ejecting head in which a flow path width Wc of a pressure chamber is equal to or larger than 60 μm, and when a-50% average particle diameter of a quasi-diameter obtained based on a maximum projected area of glitter pigment is assumed to be R50, a maximum particle diameter of the quasi-diameter is assumed to be Rmax, and a thickness of the glitter pigment for the quasi-diameter is assumed to be Z, equations of 0.8≦R50≦1.1, 0.2>Z/R50≧0.02, and Rmax/Wc<0.1 are satisfied.
Claims6
A combination of a liquid ejecting head and a glitter pigment liquid,
- the liquid ejecting head comprising:
- a nozzle configured to eject the liquid;
- and
- a pressure chamber communicating with the nozzle for ejecting the liquid through the nozzle by generating pressure fluctuation in the pressure chamber, wherein a flow path width Wc of the pressure chamber is equal to or larger than 60 μm;
- the glitter pigment liquid containing glitter pigment comprising flat particles, the particles defining:
- R50, defined as a 50%-average particle diameter of a quasi-diameter obtained based on a maximum projected area of the glitter pigment;
- Rmax, defined as a maximum particle diameter of the quasi-diameter;
- and
- Z, defined as a thickness of the glitter pigment, taken in a direction perpendicular to the quasi-diameter;
- wherein:
- 0.8 μm≦R50≦1.1 μm,
- 0.2>Z/R50≧0.02, and
- Rmax/Wc<0.1.
10 more elements
Dependencies are inferred from the claim text.