| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an auxiliary passage unit or the like attaining miniaturization and preventing deformation. Ž<P>SOLUTION: A plate-like body part 21 is formed with a supply passage 28 through which ink fed to an ink supply port of an inkjet head passes, and a discharge passage 29 through which ink discharged from an ink discharge port of the inkjet head passes. A part of the supply passage is composed of an annular projection 11 formed at the top face of the plate-like body 21, and a film 15 welded to the upper end of the annular projection 11. A part of the discharge passage 29 crosses a region facing a region surrounded by the annular projection 11 from the top view, at the under face of the body part 21. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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