Patent ID: 6877845

Claim:
An ink-jet head comprising: a nozzle plate having a plurality of nozzles; a head body including a plurality of pressure chambers for storing ink, the pressure chambers communicating with the respective nozzles, and a plurality of pressure generators for applying pressure to the ink in the pressure chambers to allow the ink to be discharged from the nozzles; and a bonding layer made of an adhesive formed between the nozzle plate and the head body for bonding the nozzle plate and the head body together, wherein a passage extending from an inner region on the nozzle plate to an outer region on the nozzle plate is formed in the bonding layer, the bonding layer includes a plurality of dot adhesives placed separately from one another on the nozzle plate or the head body, the passage in the bonding layer is formed from gaps between the dot adhesives, and the dot adhesives are placed on the nozzle plate or the head body so as to be sparser as the position is closer to the outer region of the nozzle plate.