Polishing Method, Polishing Device, Glass Substrate for Magnetic Recording Medium, and Magnetic Recording Medium
There are disclosed a polishing method and a polishing device in which cleaning of a glass substrate surface can be achieved to a high level. A glass substrate (MD substrate 1) in the shape of a circular disc having a circular hole in a center portion is polished with an abrasive liquid 50 containin...
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Format: | Patent |
Sprache: | eng |
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