Vertical magnetic recording medium and method of manufacturing t

Details Vertical magnetic recording medium and method of manufacturing t Vertical magnetic recording medium and method of manufacturing t

1988-03-24

1989-03-21

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

427 42, 427 531, 427131, 427132, 428611, 428678, 428615, 428900, G11B 564

Patent

active

048142395

ABSTRACT:
A vertical magnetic recording medium excellent in durability and recording property in which a first magnetic film comprising Co--Cr or Co--Cr--W as the main ingredient is formed on a substrate and the second magnetic film comprising Co--Cr--W--C as the main ingredient is formed on the first magnetic film, as well as the production process therefor are provided.

REFERENCES:
patent: 4522844 (1985-06-01), Khanna et al.
patent: 4740386 (1988-04-01), Cheung

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