发明申请
- 专利标题： Magnetic Recording Medium, Method Of Manufacturing Therefor, And Magnetic Read/Write Apparatus
- 专利标题（中）： 磁记录介质，其制造方法和磁读/写装置
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申请号： US10541905申请日： 2004-01-14
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公开(公告)号： US20080057348A1公开(公告)日： 2008-03-06
- 发明人: Kenji Shimizu , Akira Sakawaki , Kazuo Kobayashi , Nguyen Tien Duong , Hiroshi Sakai , Takashi Hikosaka , Soichi Oikawa , Tomoyuki Maeda , Futoshi Nakamura
- 申请人： Kenji Shimizu , Akira Sakawaki , Kazuo Kobayashi , Nguyen Tien Duong , Hiroshi Sakai , Takashi Hikosaka , Soichi Oikawa , Tomoyuki Maeda , Futoshi Nakamura
- 优先权： JP2003-6188 20030114; JP2003-6189 20030114; JP2003-103452 20030407; JP2003-103453 20030407
- 国际申请： PCT/JP04/00205 WO 20040114
- 主分类号： G11B5/64
- IPC分类号： G11B5/64 ; B05D5/12 ; G11B5/33
摘要：
A soft magnetic undercoat film, a first undercoat film, a second undercoat film, a perpendicular magnetic recording film, and a protective film are provided on a non-magnetic substrate, and the first undercoat film consists of Pt, Pd, or an alloy including at least one among these, and the second undercoat film consists of Ru or an Ru alloy.