684349.fig.054a
(a)
684349.fig.054b
(b)
684349.fig.054c
(c)
684349.fig.054d
(d)
Figure 54: SEM images. (a) Low magnification; (b) closeup of -face viewed from a slightly different perspective than in (a); (c) side view of cylindrical LC cavities; (d) closeup of LC cavities [115].