Figure 6. Droplet impact (We = 60) on a hydrophilic ring with r_o = 2.34 mm and w_o = 1.3 mm.

Both top and side views are given at each instant. Scale bar for top view is 2 mm; for side view 1 mm. The times for both views are synchronized, unless otherwise noted in the side view. The black arrow indicates when the first stable penetrating hole has formed.