Ricoh Company, Ltd.

Yuu Sugioka

Toshiaki Masuda

Hitoshi Usami

Kentaroh Yamanaka

A head includes: a silicon substrate; an insulating film on the silicon substrate; an electrode wiring on the insulating film; a flexible wiring connected to the electrode wiring; and a conductive film electrically connects the flexible wiring and the electrode wiring in a bonding area. The silicon substrate has an exposed area on a surface of the silicon substrate facing the insulating film, and the exposed area is in a vicinity of the bonding area and is exposed from the insulating film.

Head, head module, and apparatus that discharges liquid

A liquid discharge head includes a nozzle configured to discharge a liquid, a dummy nozzle configured not to discharge the liquid, a nozzle plate including the nozzle and the dummy nozzle, an individual channel communicating with the nozzle, a dummy channel communicating with the dummy nozzle, and a channel plate bonded to the nozzle plate. The dummy channel includes a lateral channel along an in-plane direction of the nozzle plate, the nozzle plate forms a wall of the lateral channel of the dummy channel, and the wall of the lateral channel is transmittable of at least one of infrared ray and visible light.

Growing community of inventors

Kanagawa, Japan

Yuu Sugioka