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US 2019/0100006 A1Published application
Liquid ejection head and method for manufacturing the same
AssigneeCanon Kabushiki Kaisha
InventorMiho Ishii
Life of this patent
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Abstract
A liquid ejection head includes an ejection opening member having an ejection opening therein through which a liquid is ejected, and a liquid-repellent layer over the ejection opening member. The liquid-repellent layer contains a fluorine-containing compound, metal oxide particles, and an amphiphilic compound.
Claims20
A liquid ejection head, comprising:
- an ejection opening member having an ejection opening therein through which a liquid is ejected;
- and
- a liquid-repellent layer over the ejection opening member, the liquid-repellent layer containing a fluorine-containing compound, metal oxide particles, and an amphiphilic compound.
A method for manufacturing a liquid ejection head including an ejection opening member having an ejection opening therein through which a liquid is ejected, and a liquid-repellent layer over the ejection opening member, the method comprising:
- forming the liquid-repellent layer by applying a solution containing a fluorine-containing compound, metal oxide particles, an amphiphilic compound, and a solvent to form a coating film of the solution and hardening the coating film.
Dependencies are inferred from the claim text.