MAGNETIC RECORDING MEDIUM
A magnetic recording medium has a recording surface having an average surface roughness SRa of 3.0 µm or less, the number of projections having a height of 7.5 nm or more included in a unit region (where the unit region is a square region with each side having a length of 30 µm) of the recording sur...
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Zusammenfassung: | A magnetic recording medium has a recording surface having an average surface roughness SRa of 3.0 µm or less, the number of projections having a height of 7.5 nm or more included in a unit region (where the unit region is a square region with each side having a length of 30 µm) of the recording surface is 256 or more, and the number of projections having a height of 15 nm or more included in the unit region of the recording surface is 0 or more and 104 or less. |
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