Fig. 2 Wetting patterns below the water repellent layer at different times for (h_o + L)/h_p equal to 0.625 and water drop penetration time (WDPT) equal to 10 min (a) and (h_o + L)/h_p equal to 0.52 and WDPT equal to 150 min (b). Lighter shades indicate later times

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