{"number":"US12697815B2","kindCode":"B2","documentType":"grant","title":{"original":"Liquid discharge head","english":"Liquid discharge head"},"abstract":{"original":"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…","english":"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…"},"applicants":["CANON KABUSHIKI KAISHA"],"inventors":["MANABU OTSUKA"],"filingDate":"2024-04-23","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12697815B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12697815B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12697815B2","ja":"https://downloadpatent.com/ja/patent/US12697815B2"}}