| 摘要 |
PROBLEM TO BE SOLVED: To provide a water area member having high drainage properties leaving no water on the surface thereof. SOLUTION: Uneven parts 2 and 3 are formed to the surface of the substrate 1 of the water area member and a water-repellent coating layer 5 is formed on the projected parts 3 and a hydrophilic coating layer 4 is formed to the recessed parts 2. |
