Magnetic recording medium and production processes thereof

Details Magnetic recording medium and production processes thereof Magnetic recording medium and production processes thereof

1984-06-21

1987-05-12

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

427128, 427131, 428172, 428179, 428694, 428695, 428900, G11B 572

Patent

active

046649638

ABSTRACT:
A magnetic recording medium having an excellent resistance to wear and CSS strength and showing a satisfactory lubricant retention, and processes for production thereof. The magnetic recording medium includes a substrate having formed thereon, in sequence, a magnetic recording layer, a protective coating, and a lubricant coating, the protective coating including a plane portion and a plurality of fine projections and recesses formed on the plane portion.

REFERENCES:
patent: 4069360 (1978-01-01), Yanagisawa
patent: 4152487 (1979-05-01), Yanagisawa
patent: 4154875 (1979-05-01), Yanagisawa
patent: 4307156 (1981-12-01), Yanagisawa
patent: 4326229 (1982-04-01), Yanagisawa
patent: 4425404 (1984-01-01), Suzuki
patent: 4540618 (1985-09-01), Suzuki

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