Liquid discharge head, liquid discharge unit, and liquid discharge apparatus
US12391042B2 · kind B2 · utility
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12Claims
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Assignee
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Key dates
| Filing date | Aug 17, 2023 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Feb 21, 2044 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid discharge head includes: a first substrate having a joint region; a sheet member having a first face joined to the first substrate with a joining agent applied to the joint region of the first substrate; and a second substrate joined to a second face opposite to the first face of the sheet member and the first substrate, the sheet member interposed between the first substrate and the second substrate, wherein the second substrate has a gap facing the second face of the sheet member opposite to a portion of the first face of the sheet member joined to the joint region of the first substrate across the sheet member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.