| 摘要 |
A method of producing an ink jet recording head, in which a discharge port surface provided with a discharge port, through which ink is discharged, is provided comprises a conductive treatment step of carrying out a conductive treatment of the discharge port surface in a state where a material is present in the portion of the discharge port, a removing step of removing the material to open the discharge port, and an electrolytic deposition step of electrolytically deposit a water repellent material in the conduction-treated region of the discharge port surface.
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