Liquid discharge head and method for manufacturing the same
AssigneeCanon Kabushiki Kaisha
InventorsIsao Imamura, Hikaru Ueda
Life of this patent
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Abstract
In a method for manufacturing a liquid discharge head having a support member bonded with an adhesive to a discharge element substrate forming a discharge port for discharging a liquid, the adhesive contains a multifunctional epoxy resin of epoxy equivalent of 150 or less, a curing agent, and a mercapto silane coupling agent, and the adhesive is applied to one side or both sides of junction surfaces of the both members, and the both members of the liquid discharge head are positioned, and heated and pressed, and the adhesive is cured to bond the both members.
Claims7
A liquid discharge head comprising:
- a discharge element substrate including a discharge port for discharging a liquid, and a supply port for supplying a liquid into the discharge port;
- and
- a support member having a supply path for supplying a liquid into the supply port,
- wherein the discharge element substrate and the support member are bonded by an adhesive, and the adhesive contains:
- (A) epoxy resin,
- (B) curing agent, and
- (C) mercapto silane coupling agent,
- (A) containing multifunctional epoxy resin of epoxy equivalent of 150 or less, and the content of (C) in the adhesive being 2% by weight or more to 10% by weight or less of the content of (A).
A method for manufacturing a liquid discharge head comprising:
- a discharge element substrate including a discharge port for discharging a liquid, and a supply port for supplying a liquid into the discharge port;
- and
- a support member having a supply path for supplying a liquid into the supply port, the method comprising:
- a step of applying an adhesive at least to either the discharge element substrate or the support member;
- a step of positioning the discharge element substrate and the support member;
- a step of mutually pressing the discharge element substrate and the support member;
- and
- a step of heating and curing the adhesive,
- wherein the adhesive contains:
- (A) epoxy resin,
- (B) curing agent, and
- (C) mercapto silane coupling agent,
- (A) containing multifunctional epoxy resin of epoxy equivalent of 150 or less, and the content of (C) in the adhesive being 2% by weight or more to 10% by weight or less of the content of (A).
Dependencies are inferred from the claim text.