发明名称 Perpendicular magnetic recording medium and perpendicular magnetic recording/reproducing apparatus
摘要 In a perpendicular magnetic recording medium, a multilayered underlayer including a first metal underlayer, a second metal underlayer having no solid solution properties with respect to the first metal underlayer and having a hole, and a third metal underlayer having solid solution properties with respect to the first metal underlayer and having no solid solution properties with respect to the second metal underlayer is formed on a substrate, and a magnetic recording layer is formed on the multilayered underlayer.
申请公布号 US2006269794(A1) 申请公布日期 2006.11.30
申请号 US20060441184 申请日期 2006.05.26
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 OIKAWA SOICHI
分类号 G11B5/66 主分类号 G11B5/66
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