| 摘要 |
A method for producing an ink jet head including, on a substrate, a piezoelectric element for discharging an ink from a discharge port, and an ink flow path communicating with the discharge port so as to correspond to the piezoelectric element, the method comprising in this order a step of providing, on the substrate, a mold material corresponding to the ink flow path, a step of providing a wall material of the ink flow path so as to cover the mold material, a step of eliminating a portion of the substrate corresponding to the piezoelectric element thereby forming a space in the substrate, and a step of eliminating the mold material thereby forming the ink flow path.
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