| http://www.w3.org/ns/prov#value | - The above object has also been achieved by a magnetic disk comprising a non-magnetic substrate, and a thin film formed on a surface of the substrate, the film including a magnetic film and a protective film; wherein when a surface shape of at least one of the substrate and the thin film is evaluated and represented in terms of a load ratio BR5 of a three-dimensional load curve and a symmetric prop
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