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US 2026/0184076 A1Published application
Nozzle plate, liquid discharge head, and image forming apparatus
OwnerRyoji OKAMOTOinventor
Life of this patent
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Abstract
A nozzle plate includes: a base material; a first film over the base material, the first film containing at least one of W, Mo, Ti, or Si, and at least one of C, N, or O; a second film over the first film, the second film including an oxide film containing Si; a water-repellent film over the second film; and a nozzle penetrating through the base material, the first film, the second film, and the water-repellent film in a discharge direction, the nozzle to discharge a liquid from the nozzle in the discharge direction.
Claims16
A nozzle plate comprising:
- a base material;
- a first film over the base material, the first film containing at least one of W, Mo, Ti, or Si, and at least one of C, N, or O;
- a second film over the first film, the second film including an oxide film containing Si;
- a water-repellent film over the second film;
- and
- a nozzle penetrating through the base material, the first film, the second film, and the water-repellent film in a discharge direction, the nozzle to discharge a liquid from the nozzle in the discharge direction.
3 more elements
A nozzle plate comprising:
- a base material;
- a first film over the base material, the first film containing contains Cr and at least one of C, N, or O;
- a second film over the first film, the second film including is an oxide film containing Si and a second transition metal or a third transition;
- a water-repellent film over the second film;
- and
- a nozzle penetrating through the base material, the first film, the second film, and the water-repellent film in a discharge direction, the nozzle to discharge a liquid from the nozzle in the discharge direction,
- wherein the base material has an outer surface opposed to the first film, and
- the outer surface has a surface roughness Ra of 10 nm or less.
5 more elements
Dependencies are inferred from the claim text.