| http://www.w3.org/ns/prov#value | - The base insulating film 12 is formed by a CVD method, a sputtering method, or the like, using an insulating material such as silicon oxide, silicon nitride, silicon oxynitride (SiOxNy), (x>y>0), or silicon nitride oxide (SiNxOy) (x>y>0).
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