| 摘要 |
An ink-jet head includes an electrode formed to continue from an inner surface in an ink chamber to a back end surface of a diaphragm through an inclined surface of the diaphragm. The inclined surface forms an angle greater than 90° with the inner surface in the ink chamber and forms an angle greater than 90° with the back end surface of the diaphragm. The electrode thus has a sufficient thickness on the corner portion formed by the inner surface in the ink chamber and the back end surface of the diaphragm. Accordingly, even if any component touches or hits the corner portion formed by the inner surface and the back end surface, in an assembly process of the ink-jet head, the electrode is prevented from being cut off and thus from being broken. In this way, the electrode can surely be connected electrically to a driving circuit.
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