Ink-jet head and recording apparatus

摘要

The ink-jet head of this invention includes a nozzle plate in which a nozzle is formed; a pressure chamber part in which a pressure chamber charged with an ink is formed; an ink passage part in which an ink supplying passage for supplying the ink to the pressure chamber is formed; a piezoelectric actuator for applying a pressure to the pressure chamber for discharging the ink from the nozzle; a damper wall for separating the ink supplying passage from an air chamber; and a communicating hole for communicating the air chamber with the atmospheric air.