发明申请
- 专利标题： THIN FILM MATERIAL AND RECORDING MEDIUM
- 专利标题（中）： 薄膜材料和记录介质
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申请号： US12708139申请日： 2010-02-18
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公开(公告)号： US20100209738A1公开(公告)日： 2010-08-19
- 发明人: Akiyoshi Itoh , Katsuji Nakagawa , Arata Tsukamoto
- 申请人： Akiyoshi Itoh , Katsuji Nakagawa , Arata Tsukamoto
- 申请人地址： JP Tokyo
- 专利权人： NIHON UNIVERSITY
- 当前专利权人： NIHON UNIVERSITY
- 当前专利权人地址： JP Tokyo
- 优先权： JPP2004-050366 20040225
- 主分类号： G11B5/66
- IPC分类号： G11B5/66 ; G11B5/73 ; B32B3/00
摘要：
Disclosed is a thin film material including a substrate and an underlying layer formed on the substrate. A large number of recesses of an extremely small size are demonstrated in a surface of the underlying layer. On this surface of the underlying layer is formed a magnetic film or a non-magnetic film.
信息查询
IPC分类:
