| 摘要 |
PROBLEM TO BE SOLVED: To provide a print head characterized by a structure suitable for reduction of a long wavelength wave in an ink channel and also equipped with a structure for fortifying an integrated structure. SOLUTION: A silicone substrate includes an integrated circuit for controlling an actuation of the print head. The silicone substrate having a ink channel group formed along the length direction of the substrate, a insulating layer or a layer group having an ink-jet bore group which covers the silicone substrate and is formed in a length direction of the substrate, while each bore communicating with the ink channel, and a rib structure formed in a direction cutting across the length direction of the substrate to give the substrate a strength, are characteristically provided.
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