Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

G - Physics

11

B

352/31, 117/24.4

G11B 5/70 (2006.01)

Patent

CA 1121224

ABSTRACT OF THE DISCLOSURE The present invention relates to a magnetic recording medium having on a non-magnetic support a magnetic layer comprising a ferromagnetic fine powder in a binder, in which a colloidal silica having a diameter of 7 to 50 mµ and methyl groups on the surface thereof is added in a proportion of 2 to 20 parts by weight to 100 parts by weight of the ferro- magnetic fine powder during dispersion of the coating composi- tion of the ferromagnetic fine powder.

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