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US07141317B2 Perpendicular magnetic recording medium 有权
垂直磁记录介质

Perpendicular magnetic recording medium
摘要:
A perpendicular magnetic recording medium has a substrate, a soft magnetic underlayer formed on the substrate, arrayed soft magnetic dots formed on the soft magnetic underlayer, and a ferromagnetic recording layer formed on the soft magnetic dots and having magnetic anisotropy in a direction perpendicular to a surface of the substrate.
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