Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

2005-08-30

2005-08-30

Ahmed, Sheeba (Department: 1773)

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

C428S323000, C428S328000, C428S329000, C428S330000, C428S331000, C428S332000, C428S336000, C428S339000, C428S690000, C428S690000, C428S690000, C428S690000, C428S900000

Reexamination Certificate

active

06936340

ABSTRACT:
Multilayer magnetic recording medium which is suitable for high recording densities and the recording of digital data, has very good electromagnetic recording properties and good surface smoothness and can absorb a large amount of lubricant in the lower layer and has at least one upper magnetic recording layer less than 0.5 μm thick and at least one lower layer which contains a magnetically soft pigment.

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Cover page of WO 00/13176 (including an English abstract).
English Language Abstract of DE 4427821.
English Language Abstract of JP 57175734.
Seiichi Hisano et al., “Research and Development of Metal Powder for Magnetic Recording”, Journal of Magnetism and Magnetic Materials, vol. 190, pp. 371-381 (1998).

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