Head module, liquid discharge head, and liquid discharge apparatus

A head module includes: a head including: a nozzle plate having a nozzle from which a liquid is to be discharged; a channel substrate including an individual channel communicating with the nozzle, the nozzle plate bonded to a first bonding surface of the channel substrate; and a cover covering at le...

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Bibliographische Detailangaben
1. Verfasser:	Miwa, Keishi
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A head module includes: a head including: a nozzle plate having a nozzle from which a liquid is to be discharged; a channel substrate including an individual channel communicating with the nozzle, the nozzle plate bonded to a first bonding surface of the channel substrate; and a cover covering at least one side of a discharge surface of the nozzle plate of the head. The channel substrate has a size larger than the nozzle plate, the cover has a second bonding surface bonded to the first bonding surface of the channel substrate at an outer region of the nozzle plate with an adhesive, the discharge surface of the nozzle plate is liquid-repellent, and the first bonding surfaces of the channel substrate and the second bonding surface of the cover are lyophilic.