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Method and apparatus for improving signal-to-noise ratio in longitudinal recording media
Method and apparatus for improving signal-to-noise ratio in longitudinal recording media
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机译:改善纵向记录介质中信噪比的方法和装置
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摘要
A method and apparatus for improving the signal-to-noise ratio in a longitudinal recording media is disclosed. The apparatus includes a first recording layer of the longitudinal recording media residing at the top of a recording media structure. The first recording layer includes an upper sublayer comprised of a CoPtCrB-based alloy material. The first recording layer also includes a lower sublayer comprised of a CoPtCrB-based alloy material and a middle sublayer comprised of a CoCrB-alloy. The middle sublayer is coupled to the upper sublayer and to the lower sublayer and is substantially thinner than the upper sublayer and the lower sublayer.
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