Substrate for magnetic information recording medium, and producing method of substrate for magnetic information recording medium
The present invention provides a substrate for a magnetic information recording medium and a producing method of the substrate for a magnetic information recording medium. The substrate for a magnetic information recording medium includes: a base plate in a disk shape comprising a resin material; an...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The present invention provides a substrate for a magnetic information recording medium and a producing method of the substrate for a magnetic information recording medium. The substrate for a magnetic information recording medium includes: a base plate in a disk shape comprising a resin material; and a covering layer formed on a surface of the base plate. |
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