Vertical magnetization type recording medium and manufacturing m

Details Vertical magnetization type recording medium and manufacturing m Vertical magnetization type recording medium and manufacturing m

1987-06-10

1989-09-19

Pianalto, Bernard

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

2041921, 427130, 427131, 427132, 428336, 428339, 428679, 428900, 428928, H01F 1002

Patent

active

048680702

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: 4277809 (1981-07-01), Fisher et al.
Kadokura et al., Recording by Improved Opposing Targets Sputtering, 3175-3177, IEEE, 1981.

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