Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-05-28

1986-10-28

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

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

360134, 360135, 360136, 427 44, 427131, 427128, 428148, 428323, 428694, 428900, 428522, G11B 570

Patent

active

046198563

ABSTRACT:
A magnetic recording medium is described, comprising a nonmagnetic support, a magnetic layer, and a nonmagnetic intermediate layer provided between the support and the magnetic layer, the nonmagnetic intermediate layer containing a radiation-polymerizable compound and finely divided particles, the nonmagnetic intermediate layer being polymerized by irradiation and having a surface roughness from about 0.001 to 0.02 .mu.m. This medium provides reduced gap loss between the medium and a magnetic head, and is suitable for use in high density recording.

REFERENCES:
patent: 4183976 (1980-01-01), Yamada
patent: 4468436 (1984-08-01), Okita
patent: 4496626 (1985-01-01), Kasuga
patent: 4511629 (1985-04-01), Konno

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