Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-03-14

1987-03-24

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

427 39, 427 41, 427131, 427132, 428215, 428336, 428694, 428695, 428900, G11B 572

Patent

active

046524835

ABSTRACT:
A magnetic recording medium comprises a non-magnetic substrate, a thin ferromagnetic film layer overlaid on the substrate, and a polymer film formed by plasma polymerization. The thin ferromagnetic film layer is composed of ferromagnetic columnar grains. The polymer film is overlaid on the thin ferromagnetic film layer so as to permeate into the spaces between the ferromagnetic columnar grains, thereby improving the corrosion resistance and durability of the magnetic recording medium.

REFERENCES:
patent: 4239835 (1980-12-01), Iijima
patent: 4405677 (1983-09-01), Chen
patent: 4414271 (1983-11-01), Kitamoto
patent: 4419404 (1983-12-01), Arai
patent: 4495242 (1985-01-01), Arai
patent: 4521482 (1985-06-01), Arai
patent: 4565734 (1986-01-01), Arai
patent: 4582746 (1986-04-01), Shirahata
patent: 4588656 (1986-05-01), Kitamoto

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