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US 2026/0184073 A1Published application
Liquid ejecting head
AssigneeSeiko Epson Corporation
InventorsTakeshi ITO, Shuichi KOGANEHIRA
Life of this patent
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Abstract
A liquid ejecting head includes: a nozzle configured to eject liquid; a first flow path member and a second flow path member that constitute a flow path communicating with the nozzle; and a first bonding portion that liquid-tightly couples the first flow path member and the second flow path member to constitute the flow path, in which the first flow path member includes a light-transmitting portion having light-transmitting properties for confirming a degree of deterioration of the first bonding portion from an outside of the first flow path member.
Claims16
A liquid ejecting head comprising:
- a nozzle configured to eject liquid;
- a first flow path member and a second flow path member that constitute a flow path communicating with the nozzle;
- and
- a first bonding portion that liquid-tightly couples the first flow path member and the second flow path member to constitute the flow path, wherein
- the first flow path member includes a light-transmitting portion having light-transmitting properties for confirming a degree of deterioration of the first bonding portion from an outside of the first flow path member.
2 more elements
Dependencies are inferred from the claim text.