Magnetic disk
A magnetic disk for high-density recording is provided, wherein a substantially non-magnetic lower layer is formed on a support and a magnetic layer containing ferromagnetic powder dispersed in a binder is formed on the lower layer. The magnetic layer has a thickness of 0.02 to 0.5 m, and on the sur...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A magnetic disk for high-density recording is provided, wherein a substantially non-magnetic lower layer is formed on a support and a magnetic layer containing ferromagnetic powder dispersed in a binder is formed on the lower layer. The magnetic layer has a thickness of 0.02 to 0.5 m, and on the surface thereof at least 1×10
4
projections standing at least 20 nm high and at most 1×10
3
projections standing at least 70 nm high per mm
2
measured by an atomic force microscope. |
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