美國
US 12,697,815 B2
Liquid discharge head
US 12,697,815 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-04。申請人：CANON KABUSHIKI KAISHA。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- CANON KABUSHIKI KAISHA
- 發明人
- MANABU OTSUKA
- 公開日
- 2026-08-04
- 申請日
- 2024-04-23
- 文件種類
- B2 核准公告
- 也寫作
- US 12,697,815 B2 · US12697815 · 12697815
摘要
A liquid discharge head includes a junction substrate including a first substrate and a second substrate joined with each other by an adhesive. A first surface of the first substrate to be joined with the second substrate is configured to have a plurality of first openings each configured to serve as a liquid passage, a first depressed portion capable of retaining the adhesive, and a second depressed portion configured to have a larger opening area than that of the first depressed portion and to be capable of retaining the adhesive; the first depressed portion is arranged in a region between t…
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專利局網站： 美國專利商標局（USPTO）