Magnetic coated recording medium and method of manfacturing the

Details Magnetic coated recording medium and method of manfacturing the Magnetic coated recording medium and method of manfacturing the

1988-10-28

1991-07-02

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

428900, G11B 2300

Patent

active

050284967

ABSTRACT:
The present invention proposes a ratio of an applied field H.sub.s to a coercivity H.sub.c as a parameter which gives an influence to the write/read characteristics of a magnetic coated recording medium, especially, a reproduction output E.sub.o at a low recording density and a recording density D.sub.50 which provides an output of the half of E.sub.o. By selecting the ratio H.sub.s /H.sub.c to be not larger than 2.1, a magnetic coated recording medium having large values of E.sub.o and D.sub.50 or suited to a high density magnetic recording can be provided with good reproducibility.

REFERENCES:
patent: 4332834 (1982-06-01), Takei
patent: 4678682 (1987-07-01), Asai et al.
patent: 4791032 (1988-12-01), Komatsu et al.
patent: 4824708 (1989-04-01), Suzuki et al.
Technical Data MR67-18 (1967) of the Society for Research of Magnetic Recording in Inst. of Electro. and Commun. Eng. of Japan, pp. 1-15.
IEEE Trans. Magnetics, Mag-20, pp. 81-83 (1984).

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