RECORDING HEAD, INK-JET RECORDING HEAD CARTRIDGE WITH THIS RECORDING HEAD AND RECORDING DEVICE

摘要

PURPOSE: To provide a recording head and a recording device containing the recording head in which loss of energy charged for ink discharge in made as small as possible and stable ink discharge is performed. CONSTITUTION: The electrothermal transducer 3 of a recording head is projected in an arch shape on a protective film 5 side and a regenerative layer 6 is curved on the inside. In the recording head of a multiheater in which a plurality of electrothermal transducers 3 are arranged for one orifice, these transducers 3 are arranged on the curved face or the bent face.