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United States

US 12,697,815 B2

Liquid discharge head

US 12,697,815 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: CANON KABUSHIKI KAISHA. Its PDF downloads from this page without an account, up to 5 a day.

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Applicant
CANON KABUSHIKI KAISHA
Inventors
MANABU OTSUKA
Publication date
2026-08-04
Filing date
2024-04-23
Document type
B2 Granted patent
Also written as
US 12,697,815 B2 · US12697815 · 12697815

Abstract

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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Patent office website: United States Patent and Trademark Office (USPTO)

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