Magnetic recording disc of improved durability having tin-nickel

Details Magnetic recording disc of improved durability having tin-nickel Magnetic recording disc of improved durability having tin-nickel

1976-02-19

1977-06-14

Van Horn, Charles E.

Coating processes

Magnetic base or coating

Magnetic coating

428648, 156150, 156154, 156319, 204 36, 204 37R, 346137, 360135, 427337, 427405, 427131, 427383C, H01L 21306

Patent

active

040295419

ABSTRACT:
A magnetic disc of improved durability is provided which has an undercoating of a relatively thick tin-nickel layer with a cobalt-containing magnetic layer over said tin-nickel layer and having an oxidized surface.

REFERENCES:
patent: 3321328 (1967-05-01), Koretzky
patent: 3460968 (1969-08-01), Bate et al.
patent: 3471272 (1969-10-01), Wilhelm et al.
patent: 3674554 (1972-07-01), Patel et al.
patent: 3681225 (1972-08-01), Genma et al.
patent: 3719525 (1973-03-01), Patel et al.
patent: 3767369 (1973-10-01), Barlow et al.
patent: 3886052 (1975-05-01), Smith

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