| 摘要 |
A waterdrop slidable surface structure, which makes waterdrops dropped onto a substrate slide on a surface of the substrate, includes a waterdrop slidable layer arranged on the surface of the substrate and including a rigid layer and a water repellent layer. The rigid layer contains a rigid material having higher hardness than the substrate and provides a continuous depression and protrusion surface. The water repellent layer mainly consists of a water repellent material of which contact angle for waterdrops dropped thereon is equal to or more than 90 degrees, and is filled in depression portions of the rigid layer.
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