Ricoh Company, Ltd.

Aki Takahashi

Masaki Kato

Masataka Yoshiike

Hitoshi Usami

A liquid discharge head includes a nozzle plate, a channel substrate, a common-liquid-chamber substrate, an adhesive, and a sealant. The nozzle plate includes a plurality of nozzles to discharge liquid. The channel substrate includes a plurality of individual liquid chambers communicated with the plurality of nozzles. The common-liquid-chamber substrate includes a common liquid chamber to supply the liquid to the plurality of individual liquid chambers. The adhesive bonds two of the nozzle plate, the channel substrate, and the common-liquid-chamber substrate. The adhesive faces a channel through which the liquid flows. The sealant surrounds the adhesive at an opposite side of the channel relative to the adhesive.

Liquid discharge head, liquid discharge device, and liquid discharge apparatus

A liquid discharge head includes a plurality of nozzles to discharge liquid droplets; a plurality of individual liquid chambers to which the plurality of nozzles communicates; a common liquid chamber, to supply a liquid to the plurality of individual liquid chambers, including a wall disposed opposite a side of an individual liquid chamber and formed of a deformable damper; a frame forming the common liquid chamber and a damper chamber disposed opposite the common liquid chamber with the damper in between, in which the frame accommodates a damper member including the damper and includes a concave portion that serves as the damper chamber; and an opening opposite the damper and a support member to support the damper member, in which the opening and the support member is disposed on a bottom of the concave portion facing the common liquid chamber.

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Kanagawa, Japan

Aki Takahashi