Stock material or miscellaneous articles – Composite – Of metal
Patent
1985-06-06
1988-02-09
Lesmes, George F.
Stock material or miscellaneous articles
Composite
Of metal
420457, 428674, 428680, 428694, 428900, 428928, 427127, 427131, 427132, H01F 1026
Patent
active
047241888
ABSTRACT:
A magnetic medium in which the non-magnetic layer comprises nickel-copper-phosphorus film containing 20 to 65 wt % of copper, in which layer is formed by electroless plating. The non-magnetic layer does not become magnetic even after heat treatment at 200.degree. C. or above.
REFERENCES:
patent: 3832168 (1974-08-01), Gulla
patent: 4397812 (1983-08-01), Mallory, Jr.
Nakabayashi Akira
Saito Masahiro
Atkinson William M.
C. Uyemura and Co.
Lesmes George F.
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