In order to that stress generated within a resin can be suppressed and
cracking in the resin can be prevented, an ink jet recording head
comprising a substrate; a resin body, which defines an ink discharge
section, formed on the substrate; and a heating resistor provided on the
substrate, an ink chamber being formed between the heating resistor and
the ink discharge section, the resin body being dug down along the ink
chamber, is provided.