Patent attributes
An inkjet recording head includes a nozzle plate, chamber plate, and a diaphragm plate. The nozzle plate includes a plurality of nozzles for ejecting ink droplets, a plurality of connecting channels in communication with the nozzles and pressure chambers. The nozzles are formed in a row at a uniform pitch. The connecting channels extend from the nozzles alternately in opposite directions in a staggered formation and are offset a prescribed angle to a direction orthogonal to the row of nozzles. The chamber plate includes the pressure chambers, restrictors, and common ink chambers formed therein. Each pressure chamber has an elongated shape extending in a direction orthogonal to the row of nozzles. The pressure chambers are formed in rows, one on either side of the row of nozzles, so that the pressure chambers in one row oppose the corresponding pressure chambers in the other row. The diaphragm plate has a vibration plate that seals the pressure chambers.
