| 摘要 |
A method for manufacturing an ink jet head comprises a first step of arranging on a substrate a passage molding material to form ink paths conductively connected to discharge ports for discharging ink, a second step of arranging on the substrate an edge portion molding material in the vicinity of the passage molding material, a third step of arranging on the substrate a wall formation material to cover the passage molding material and the edge portion molding material, and a fourth step of forming the paths with the wall formation material by removing the passage molding material from the substrate. With this method, it is possible to manufacture an ink jet head having an ink chamber and nozzles, which are configured substantially the same as the molding members, without creating cracks and other defects that are liable to occur on the extruded corners of the passage molding material with respect to the substrate when the conventional technique is applied.
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