Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1996-02-23

1998-03-24

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428213, 428216, 428336, 428457, 428694TM, 428900, 427131, G11B 566

Patent

active

057310688

ABSTRACT:
A magnetic recording medium is disclosed which comprises a support and formed thereover a magnetic layer having a multilayer structure comprising at least two vapor-deposited metal films each made up of columns, each vapor-deposited metal film having a degree of column curvature of 20% or lower, and any of said vapor-deposited metal films which is closer to said support having a higher degree of column curvature than any of said vapor-deposited metal films which is closer to the surface. The magnetic recording medium enables high-density recording, is excellent especially in output characteristics and C/N characteristics, and has a balance between longitudinal-direction magnetic characteristics and vertical-direction magnetic characteristics.

REFERENCES:
patent: 5225234 (1993-07-01), Takai et al.
patent: 5418059 (1995-05-01), Sugita et al.
patent: 5453886 (1995-09-01), Kobayashi et al.
patent: 5525398 (1996-06-01), Takai et al.
patent: 5549936 (1996-08-01), Tohma et al.

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