Metallic thin-film magnetic recording media
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United States of America Patent
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Aug 4, 1998
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N/A
app pub date -
Aug 6, 1996
filing date -
Feb 5, 1996
priority date (Note) -
Expired
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Abstract
A metallic thin-film magnetic recording medium which is enhanced in coercive force, diminished in nonlinear waveform interference through controlled magnetic anisotropy and adapted to a higher recording density. A seed layer of a crystalline Cr--Ni alloy is formed between the substrate of the medium and a Cr ground layer, whereby the crystal orientation of a magnetic layer is substantially (100) orientation. The crystalline alloy includes an alloy consisting essentially of 36 to 46 atomic % of Ni and the balance substantially Cr, or an alloy consisting essentially of 36 to 46 atomic % of Ni, 0.5 to 3 atomic % of W or Mo or combination thereof and the balance substantially Cr.
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