Magnetic recording medium having a metallic magnetic layer and a

Details Magnetic recording medium having a metallic magnetic layer and a Magnetic recording medium having a metallic magnetic layer and a

1995-11-21

1997-07-22

Resan, Stevan A.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

428141, 428216, 428336, 428408, 428457, 428651, 428694TS, 428694TP, 428694SG, 428694TR, 428900, G11B 566

Patent

active

056502370

ABSTRACT:
A magnetic recording medium is disclosed, which contains a substrate, an uneven layer and a metallic magnetic layer provided on the substrate in that order, wherein the uneven layer is made of an Al--M (wherein M is a metal capable of forming a carbide) and has an uneven surface. This magnetic recording medium enables a magnetic head to float at a low height, and prevents the magnetic head from sticking to the magnetic recording medium. Further, the uneven layer has an excellent adhesivity to the substrate preventing it from peeling off the substrate, and thus a magnetic recording medium having an appropriate surface roughness and excellent durability is provided. This magnetic recording medium can cope with high density recordings.

REFERENCES:
patent: 4647494 (1987-03-01), Meyerson et al.
patent: 4833020 (1989-05-01), Shiroishi et al.
patent: 5079062 (1992-01-01), Masuda et al.
patent: 5091225 (1992-02-01), Goto
patent: 5314745 (1994-05-01), Okumura
patent: 5413835 (1995-05-01), Ikeda et al.
Databse WPI, Derwent Publications, AN-89-057010/08, JP-A-1008511, Jan. 12, 1989.

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