Method for providing a perpendicular recording medium for use wi

Details Method for providing a perpendicular recording medium for use wi Method for providing a perpendicular recording medium for use wi

1987-12-31

1989-08-22

Thibodeau, Paul J.

Coating processes

Magnetic base or coating

Magnetic coating

427 35, 427 48, 427132, 427250, 427294, 428694, 428900, G11B 564

Patent

active

048595012

ABSTRACT:
A perpendicular magnetic recording method uses a perpendicular magnetic recording medium. This medium comprises a perpendicular anisotropy film having perpendicular remanent magnetization Mr and longitudinal remanent magnetization Mr.sub..parallel., wherein the value of the ratio Mr.sub..perp. /Mr.sub..parallel. is not less than 0.2, but is less than 1.

REFERENCES:
patent: 4210946 (1980-07-01), Iwasaki et al.
patent: 4517257 (1985-05-01), Shimizu et al.
patent: 4576876 (1986-03-01), Shiiki et al.
patent: 4657812 (1987-04-01), Hatanai
Sugita et al., IEEE Transactions on Magnetics, vol. MAG 17, No. 6, Nov. 1981, pp. 3172-3173.

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