发明授权
US08178223B2 Perpendicular magnetic recording medium 失效
垂直磁记录介质

Perpendicular magnetic recording medium
摘要:
In a magnetic recording medium, there are realized an improvement in surface planarity and a reduction in characteristic degradation. The magnetic recording medium is fabricated so that the upper layer of a recording layer and a refill layer are formed of the same material.
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