By Figure 4 (a), 4 (b), 4 (c) and 4 (d) provides the film's surface, not through the baking oven temperature oven temperature 350 ºC 300 ºC and bake at a temperature of 400 ºC, respectively. The film shows found that the shape of a grain. Hexagon to baking at 300-350 ºC temperature and baking temperature 400 ºC is when the appearance of the surface is very smooth due to the baking temperature increases. Some of the film's Crystal fusion, which corresponds to the research of W.Wang, et al [13].
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