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公开(公告)号：EP0158338A3
公开(公告)日：1987-01-14
申请号：EP85104338
申请日：1985-04-10
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
CPC分类号： G11B5/667 , G11B5/66 , G11B5/7325 , Y10S428/90 , Y10T428/12465 , Y10T428/12674
摘要： Disclosed is a perpendicular magnetic recording medium wherein an under layer (2) made of a material containing Si and/or Ge as its principal ingredient is deposited on a substrate (1), and a perpendicular magnetic film (3) made of a Co-based alloy is deposited on the under layer. With the perpendicular magnetic recording medium, the perpendicular magnetic film has an enhanced degree of C-axis orientation, and the bond strength between the perpendicular magnetic film and the substrate is also enhanced when the substrate is non-metallic.
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公开(公告)号：EP0158338B2
公开(公告)日：1993-02-24
申请号：EP85104338.0
申请日：1985-04-10
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
CPC分类号： G11B5/667 , G11B5/66 , G11B5/7325 , Y10S428/90 , Y10T428/12465 , Y10T428/12674
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公开(公告)号：EP0179382A3
公开(公告)日：1987-12-02
申请号：EP85113015
申请日：1985-10-14
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
发明人： Futamoto, Masaaki , Honda, Yukio , Asada, Seiichi , Nishimura, Takashi Hitachi Daini Kyoshinryo , Yoshida, Kazuetsu , Ishihara, Heigo
CPC分类号： G11B5/72 , G11B5/851 , Y10S428/90
摘要： A magnetic recording medium comprising a substrate, a ferromagnetic thin film formed on the substrate, and a protective film formed directly on the ferromagnetic thin film, and a process for producing such magnetic recording medium. The expression "formed directly" refers to the technique for forming the protective film on the ferromagnetic thin film so that the interface therebetween is free from contamination by, for instance, conducting the protective film formation under the vacuum used when forming the ferromagnetic thin film.
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公开(公告)号：EP0179382A2
公开(公告)日：1986-04-30
申请号：EP85113015.3
申请日：1985-10-14
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
发明人： Futamoto, Masaaki , Honda, Yukio , Asada, Seiichi , Nishimura, Takashi Hitachi Daini Kyoshinryo , Yoshida, Kazuetsu , Ishihara, Heigo
CPC分类号： G11B5/72 , G11B5/851 , Y10S428/90
摘要： A magnetic recording medium comprising a substrate, a ferromagnetic thin film formed on the substrate, and a protective film formed directly on the ferromagnetic thin film, and a process for producing such magnetic recording medium. The expression "formed directly" refers to the technique for forming the protective film on the ferromagnetic thin film so that the interface therebetween is free from contamination by, for instance, conducting the protective film formation under the vacuum used when forming the ferromagnetic thin film.
摘要翻译： 本发明提供一种磁记录介质及其制造方法，该磁记录介质包括基板，在该基板上形成的强磁性薄膜以及在该强磁性薄膜上直接形成的保护膜。 表述“直接形成”是指用于在铁磁薄膜上形成保护膜的技术，使得它们之间的界面不受污染，例如在形成铁磁薄膜时使用的真空下进行保护膜形成。
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公开(公告)号：EP0158338A2
公开(公告)日：1985-10-16
申请号：EP85104338.0
申请日：1985-04-10
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
CPC分类号： G11B5/667 , G11B5/66 , G11B5/7325 , Y10S428/90 , Y10T428/12465 , Y10T428/12674
摘要： Disclosed is a perpendicular magnetic recording medium wherein an under layer (2) made of a material containing Si and/or Ge as its principal ingredient is deposited on a substrate (1), and a perpendicular magnetic film (3) made of a Co-based alloy is deposited on the under layer. With the perpendicular magnetic recording medium, the perpendicular magnetic film has an enhanced degree of C-axis orientation, and the bond strength between the perpendicular magnetic film and the substrate is also enhanced when the substrate is non-metallic.
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公开(公告)号：EP0369226B1
公开(公告)日：1995-01-11
申请号：EP89120016.4
申请日：1985-10-14
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
发明人： Futamoto, Masaaki , Honda, Yukio , Asada, Seiichi , Nishimura, Takashi Hitachi Daini Kyoshinryo , Yoshida, Kazuetsu , Ishihara, Heigo
IPC分类号： G11B5/72
CPC分类号： G11B5/72 , G11B5/851 , Y10S428/90
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公开(公告)号：EP0369225B1
公开(公告)日：1995-01-11
申请号：EP89120015.6
申请日：1985-10-14
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
发明人： Futamoto, Masaaki , Honda, Yukio , Asada, Seiichi , Nishimura, Takashi Hitashi Daini Kyoshinryo , Yoshida, Kazuetsu , Ishihara, Heigo
IPC分类号： G11B5/72
CPC分类号： G11B5/72 , G11B5/851 , Y10S428/90
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公开(公告)号：EP0179382B1
公开(公告)日：1992-03-04
申请号：EP85113015.3
申请日：1985-10-14
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
发明人： Futamoto, Masaaki , Honda, Yukio , Asada, Seiichi , Nishimura, Takashi Hitachi Daini Kyoshinryo , Yoshida, Kazuetsu , Ishihara, Heigo
CPC分类号： G11B5/72 , G11B5/851 , Y10S428/90
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公开(公告)号：EP0369226A1
公开(公告)日：1990-05-23
申请号：EP89120016.4
申请日：1985-10-14
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
发明人： Futamoto, Masaaki , Honda, Yukio , Asada, Seiichi , Nishimura, Takashi Hitachi Daini Kyoshinryo , Yoshida, Kazuetsu , Ishihara, Heigo
IPC分类号： G11B5/72
CPC分类号： G11B5/72 , G11B5/851 , Y10S428/90
摘要： A magnetic recording medium comprises a substrate (1), a ferromagnetic thin film (11) formed on the substrate (1), and a protective film (12) formed on the ferromagnetic thin film (11). The interface between said ferromagnetic thin film (11) and said protective film (12) is free of a reaction deposit of elements constituting said ferromagnetic thin film (11) and free from contamination by foreign substances. The ferrogmanetic thin film (11) is made of a Co-based alloy, Fe-based alloy and/or Ni-based alloy. The protective film (12) is made of Ge, and Ge-based alloy or an Ge-based compound.
摘要翻译： 一种磁记录介质包括衬底（1），形成在衬底（1）上的铁磁薄膜（11）和形成在铁磁薄膜（11）上的保护膜（12）。 所述铁磁薄膜（11）和所述保护膜（12）之间的界面没有构成所述铁磁薄膜（11）的元素的反应沉积物并且没有外来杂质的污染。 发育薄膜（11）由Co基合金，Fe基合金和/或Ni基合金制成。 保护膜（12）由Ge，Ge系合金或Ge系化合物构成。
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10.发明公开
公开(公告)号：EP0369225A1
公开(公告)日：1990-05-23
申请号：EP89120015.6
申请日：1985-10-14
申请人： HITACHI, LTD. , Hitachi Maxell Ltd.
发明人： Futamoto, Masaaki , Honda, Yukio , Asada, Seiichi , Nishimura, Takashi Hitashi Daini Kyoshinryo , Yoshida, Kazuetsu , Ishihara, Heigo
IPC分类号： G11B5/72
CPC分类号： G11B5/72 , G11B5/851 , Y10S428/90
摘要： A magnetic recording medium comprises a substrate (1), a ferromagnetic thin film (11) formed on the substrate (1), and a protective film (12) formed on the ferromagnetic thin film (11). The interface between said ferromagnetic thin film (11) and said protective film (12) is free of a reaction deposit of elements constituting said ferromagnetic thin film (11) and free from contamination by foreign substances. The ferrogmagnetic thin film (11) is made of a Co-based alloy, Fe-based alloy and/or Ni-Based alloy. The protective film (12) is made of Si, an Si-based alloy or an Si-based compound.
摘要翻译： 磁记录介质包括基板（1），形成在基板（1）上的铁磁薄膜（11）和形成在铁磁性薄膜（11）上的保护膜。 所述铁磁性薄膜（11）与所述保护膜（12）之间的界面没有构成所述铁磁性薄膜（11）的元素的反应沉积物并且没有被异物污染。 铁磁性薄膜（11）由Co系合金，Fe系合金和/或Ni基合金构成。 保护膜（12）由Si，Si系合金或Si系化合物构成。
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