Patent ID: 7677705

Claim:
An ink-jet head for providing stable ink discharge, comprising: a plurality of ink discharge units, each of said plurality of discharge units including: a nozzle plate in which a nozzle that discharges ink is formed; a pressure application section that applies pressure to ink and includes a diaphragm that moves relative to said nozzle plate, wherein said diaphragm moves in a direction approximately parallel to a discharge direction of an ink drop discharged from said nozzle; and a nozzle plate holding member that holds said nozzle plate; a head plate that holds said plurality of ink discharge units; a sealing member that seals a gap between each of said plurality of ink discharge units and said head plate so that air does not pass through and that elastically supports each of said plurality of ink discharge units with respect to said head plate; and a fixing member that fixes each of said plurality of ink discharge units and said head plate so as to maintain alignment of said ink discharge unit with said head plate.