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US 12,151,479 B2Granted
Liquid ejection head
AssigneeCanon Kabushiki Kaisha
InventorHiroshi Higuchi
Life of this patent
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Abstract
A liquid ejection head includes a first substrate including a structure and a second substrate bonded to the first substrate with an adhesive, wherein the first substrate includes a bonding surface bonded to the second substrate with the adhesive and a non-bonding surface that is not bonded to the second substrate, and wherein a recessed portion is disposed in the non-bonding surface between the structure and a bonding end of the bonding surface adjacent to the structure.
Claims20
A liquid ejection head comprising:
- a first substrate;
- and
- a second substrate bonded to the first substrate with an adhesive,
- wherein the first substrate includes a bonding area in contact with the second substrate via the adhesive and a non-bonding area not in contact with the second substrate, and
- wherein a recessed portion is disposed in the non-bonding area in a vicinity of an end of the bonding area closer to the non-bonding area.
2 more elements
Dependencies are inferred from the claim text.