发明授权
- 专利标题: Perpendicular magnetic recording medium
- 专利标题(中): 垂直磁记录介质
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申请号: US10668231申请日: 2003-09-24
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公开(公告)号: US07141317B2公开(公告)日: 2006-11-28
- 发明人: Akira Kikitsu , Yoshiyuki Kamata
- 申请人: Akira Kikitsu , Yoshiyuki Kamata
- 申请人地址: JP Tokyo
- 专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustatd, P.C.
- 优先权: JP2002-282439 20020927
- 主分类号: G11B5/66
- IPC分类号: G11B5/66 ; G11B5/70
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.
公开/授权文献
- US20040131890A1 Perpendicular magnetic recording medium 公开/授权日:2004-07-08
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