发明授权
- 专利标题： Perpendicular magnetic recording medium and perpendicular magnetic recording-reproducing apparatus
- 专利标题（中）： 垂直磁记录介质和垂直磁记录再现装置
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申请号： US09902688申请日： 2001-07-12
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公开(公告)号： US06805981B2公开(公告)日： 2004-10-19
- 发明人: Hideo Ogiwara , Takashi Hikosaka , Soichi Oikawa , Hiroshi Sakai , Kenji Shimizu
- 申请人： Hideo Ogiwara , Takashi Hikosaka , Soichi Oikawa , Hiroshi Sakai , Kenji Shimizu
- 优先权： JP2000-249727 20000821
- 主分类号： G11B566
- IPC分类号： G11B566
摘要：
A perpendicular magnetic recording medium comprising a layer exhibiting a super paramagnetism is used as the underlying film to enable the recording medium to achieve a high density recording with a low noise.
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