| http://www.w3.org/ns/prov#value | - FIGS. 5, 5A, and 5B are a series of images generated with a scanning electron microscope (SEM) of the topside surface of an anodic aluminum oxide film prepared by a 20 wt % H.sub.2 SO.sub.4 solution at 20V (FIGS. 5 and 5A) and 15V (FIG. 5B);
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