发明申请
- 专利标题： MAGNETIC RECORDING MEDIUM, PROCESS FOR PRODUCING SAME, AND MAGNETIC RECORDING REPRODUCING APPARATUS
- 专利标题（中）： 磁记录介质，其制造方法和磁记录重现装置
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申请号： US12663350申请日： 2008-06-06
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公开(公告)号： US20100173175A1公开(公告)日： 2010-07-08
- 发明人: Migaku Takahashi , Shin Saito , Tomoyuki Maeda , Akihiko Takeo , Yuzo Sasaki , Ryuji Sakaguchi
- 申请人： Migaku Takahashi , Shin Saito , Tomoyuki Maeda , Akihiko Takeo , Yuzo Sasaki , Ryuji Sakaguchi
- 申请人地址： JP Minato-ku, Tokyo JP Minato-ku, Tokyo JP Sendai-shi, Miyagi
- 专利权人： SHOWA DENKO K.K.,TOSHIBA CORPORATION,TOHOKU UNIVERSITY
- 当前专利权人： SHOWA DENKO K.K.,TOSHIBA CORPORATION,TOHOKU UNIVERSITY
- 当前专利权人地址： JP Minato-ku, Tokyo JP Minato-ku, Tokyo JP Sendai-shi, Miyagi
- 优先权： JP2007-149900 20070606
- 国际申请： PCT/JP2008/060498 WO 20080606
- 主分类号： G11B5/33
- IPC分类号： G11B5/33 ; B05D5/12
摘要：
A magnetic recording medium is provided, which has at least one soft magnetic layer, at least one seed layer, at least one underlayer and at least one perpendicular magnetic recording layer, and is characterized in that the or each seed layer is comprised of a covalently bonded material. The covalently bonded material preferably predominantly comprises a nitride having a hexagonal crystal structure, more preferably, predominantly comprises aluminum nitride having a hexagonal wurtzite crystal structure. This magnetic recording medium is superior in recording and reproducing an information with high density.
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