| http://www.w3.org/ns/prov#value | - 20140287269GLASS SUBSTRATE FOR A MAGNETIC DISK AND MAGNETIC DISK - Provided are a magnetic disk substrate and a method of manufacturing the same, wherein the magnetic disk substrate has very few defects present on its surface with an arithmetic mean roughness (Ra) at a level in the vicinity of 0.1 nm and thus is suitable as a substrate for a magnetic disk with high recording density.
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