Perpendicular magnetic recording medium

Details Perpendicular magnetic recording medium Perpendicular magnetic recording medium

1988-04-04

1988-12-20

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428662, 428664, 428694, 428900, 428928, 428611, 428678, 428668, G11B 566

Patent

active

047924861

ABSTRACT:
A perpendicular magnetic recording medium comprises a recording medium base, a lower layer formed on the recording medium base, and an upper layer formed on the lower layer. The upper layer is made of cobalt-chromium, and the lower layer at least includes cobalt and chromium.

REFERENCES:
patent: 4550062 (1985-10-01), Takayama et al.
patent: 4576700 (1986-03-01), Kadokawa et al.
patent: 4603091 (1986-07-01), Mukasa
Gill et al, "The Growth Characteristics of Ion-Beam Sputtered CoCr Films on Ta Isolation Layers", IEEE Transactions on Magnetics, vol.-MAG-20, No. 5, Sep. 1984, p. 776.
"Initial Layer Effects in Co-Cr films", by Edward R. Wuori and Professor J. H. Judy, IEEE Transactions on Magnetics, vol. MAG-20, No. 5, Sep. 1984, pp. 774-775.
"VSM Profiling of CoCr Films: A New Analytical Technique", by William G. Haines, IEEE Transactions on Magnetics, vol. MAG-20, No. 5, Sep. 1984, pp. 814-814.

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