| http://www.w3.org/ns/prov#value | - In order to attain the objects of the present invention, it is preferred to use a nonmagnetic support having a center line average surface roughness (Ra: cutoff value: 0.25 mm) of 0.03 ??m or less, more preferably 0.02 ??m or less, and particularly preferably 0.01 ??m or less.
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