Method of manufacturing vertical magnetization type recording me

Details Method of manufacturing vertical magnetization type recording me Method of manufacturing vertical magnetization type recording me

1988-06-07

1989-09-12

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

2041922, 427132, 427177, 427251, 4272552, 4272555, 4272557, 427296, H01F 1002

Patent

active

048658782

ABSTRACT:
In a method of manufacturing a vertical magnetization type recording medium, a soft magnetic film layer is formed on each of the two sides of a non-magnetic support, and then a vertical magnetization film layer is formed on each soft magnetic film layer thus formed, thereby to provide a vertical magnetization type recording medium which has both sides uniform in characteristics and has characteristics making it excellent as a vertical magnetization type recording medium.

REFERENCES:
patent: 4680197 (1987-07-01), Sagoi et al.

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