Patent ID: 7594714

Claim:
An inkjet printer head for performing recording by ejecting ink onto a recording medium, comprising: a cavity unit including a plurality of nozzle holes for ejecting the ink, a plurality of pressure chambers communicating with each of said nozzle holes, and a manifold that temporarily accumulates the ink that is supplied to said pressure chambers; and actuators that eject the ink from said nozzle holes, wherein: said cavity unit comprises at least a laminate comprising a nozzle film made of a synthetic resin and provided with said plurality of nozzle holes, a reinforcement plate stuck onto one face of said nozzle film and arranged facing said recording medium, and a manifold plate stuck onto the other face of said nozzle film and provided with manifold holes constituting said manifold; and said reinforcement plate is provided with a through-hole passing therethrough facing each nozzle hole, and a recess that opens facing towards said manifold holes through said nozzle film.