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公开(公告)号:US06645888B2
公开(公告)日:2003-11-11
申请号:US09822287
申请日:2001-04-02
申请人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
发明人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
IPC分类号: C03C1004
CPC分类号: G11B5/7315 , C03C10/0045 , C03C19/00
摘要: A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's modulus of 110 or higher.
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公开(公告)号:US06627567B1
公开(公告)日:2003-09-30
申请号:US09616034
申请日:2000-07-13
申请人: Hideki Nagata , Toshiharu Mori , Hiroshi Yuki , Hideki Kawai , Akira Sugimoto , Kazuhiko Ishimaru
发明人: Hideki Nagata , Toshiharu Mori , Hiroshi Yuki , Hideki Kawai , Akira Sugimoto , Kazuhiko Ishimaru
IPC分类号: C03C1008
CPC分类号: C03C10/0045 , C03C3/085
摘要: A glass ceramics composition for recording disk substrate contains, essentially, expressed in terms of weight percent on the oxide basis, from 35 to 60 wt % of SiO2, from 10 to 30 wt % of Al2O3, from 10 to 30 wt % of MgO and from 0.1 to 1.8 wt % of P2O5.
摘要翻译: 用于记录盘基片的玻璃陶瓷组合物基本上以氧化物的重量百分数表示,SiO 2为35至60重量%,Al 2 O 3为10至30重量%,MgO为10至30重量% 0.1至1.8重量%的P 2 O 5。
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公开(公告)号:US06569791B1
公开(公告)日:2003-05-27
申请号:US09616039
申请日:2000-07-13
申请人: Hideki Nagata , Toshiharu Mori , Hiroshi Yuki , Hideki Kawai , Akira Sugimoto , Kazuhiko Ishimaru
发明人: Hideki Nagata , Toshiharu Mori , Hiroshi Yuki , Hideki Kawai , Akira Sugimoto , Kazuhiko Ishimaru
IPC分类号: C03C1008
CPC分类号: C03C3/085 , C03C10/0045
摘要: A glass ceramics composition for recording disk substrate contains, essentially, expressed in terms of weight percent on the oxide basis, from 52 to 56 wt % of SiO2, from 10 to 30 wt % of Al2O3, from 10 to 30 wt % of MgO, and from 7 to 12 wt % of TiO2.
摘要翻译: 用于记录盘基片的玻璃陶瓷组合物基本上以氧化物为基准的重量百分数表示,SiO 2为52〜56重量%,Al 2 O 3为10〜30重量%,MgO为10〜30重量% 和7至12重量%的TiO 2。
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公开(公告)号:US06524982B1
公开(公告)日:2003-02-25
申请号:US09610338
申请日:2000-07-05
申请人: Hideki Nagata , Hideki Kawai , Toshiharu Mori , Hiroshi Yuki , Kazuhiko Ishimaru
发明人: Hideki Nagata , Hideki Kawai , Toshiharu Mori , Hiroshi Yuki , Kazuhiko Ishimaru
IPC分类号: C03C1004
CPC分类号: C03C3/097 , C03C10/0027
摘要: A glass ceramics composition for recording disk substrate consists essentially, expressed in terms of weight percent on the oxide basis, of from 65 to 80 wt % of SiO2, from 3 to 15 wt % of Al2O3, from 3 to 15 wt % of Li2O, from 0.2 to 5 wt % of P2O5, and from 2.5 to 12 wt % of ZrO2.
摘要翻译: 用于记录圆盘基材的玻璃陶瓷组合物基本上以氧化物的重量百分数表示,为65至80重量%的SiO 2,3至15重量%的Al 2 O 3,3至15重量%的Li 2 O, 0.2〜5重量%的P 2 O 5和2.5〜12重量%的ZrO 2。
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公开(公告)号:US06645890B2
公开(公告)日:2003-11-11
申请号:US09822327
申请日:2001-04-02
申请人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
发明人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
IPC分类号: C03C1004
CPC分类号: C03C10/0045 , C03C3/062 , C03C3/085 , C03C19/00
摘要: A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's modulus of 110 or higher.
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公开(公告)号:US06645889B2
公开(公告)日:2003-11-11
申请号:US09822288
申请日:2001-04-02
申请人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
发明人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
IPC分类号: C03C1004
CPC分类号: C03C3/085 , C03C3/062 , C03C10/0045
摘要: A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's modulus of 110 or higher.
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公开(公告)号:US06642162B2
公开(公告)日:2003-11-04
申请号:US09822331
申请日:2001-04-02
申请人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
发明人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
IPC分类号: C03C1004
CPC分类号: C03C19/00 , C03C3/085 , C03C10/0045
摘要: A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's modulus of 110 or higher.
摘要翻译: 适合用作硬盘用基板的抛光玻璃盘介质基板,含有基板的硬盘及其制造方法。 含有玻璃成型原料的基材可以形成为杨氏模量为110以上。
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公开(公告)号:US06458729B1
公开(公告)日:2002-10-01
申请号:US09616030
申请日:2000-07-13
申请人: Hideki Nagata , Toshiharu Mori , Hiroshi Yuki , Hideki Kawai , Akira Sugimoto , Kazuhiko Ishimaru
发明人: Hideki Nagata , Toshiharu Mori , Hiroshi Yuki , Hideki Kawai , Akira Sugimoto , Kazuhiko Ishimaru
IPC分类号: C03C1008
CPC分类号: C03C10/0045 , C03C3/085
摘要: A glass ceramics composition for recording disk substrate contains, essentially, expressed in terms of weight percent on the oxide basis; from 50.5 to 52.5 wt % of SiO2, from 10 to 30 wt % of Al2O3, from 10 to 30 wt % of MgO, and from 4 to 10.6 wt % of TiO2.
摘要翻译: 用于记录盘基片的玻璃陶瓷组合物基本上以氧化物的重量百分数表示; SiO 2为50.5〜52.5重量%,Al 2 O 3为10〜30重量%,MgO为10〜30重量%,TiO 2为4〜10.6重量%。
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公开(公告)号:US06649549B2
公开(公告)日:2003-11-18
申请号:US09822286
申请日:2001-04-02
申请人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
发明人: Hideki Nagata , Hiroshi Yuki , Toshiharu Mori , Hideki Kawai , Kazuhiko Ishimaru
IPC分类号: C03C1004
CPC分类号: C03C10/0045 , C03C3/062 , C03C3/085
摘要: A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's modulus of 110 or higher.
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公开(公告)号:US06610620B1
公开(公告)日:2003-08-26
申请号:US09616041
申请日:2000-07-13
申请人: Hideki Nagata , Toshiharu Mori , Hiroshi Yuki , Hideki Kawai , Akira Sugimoto , Kazuhiko Ishimaru
发明人: Hideki Nagata , Toshiharu Mori , Hiroshi Yuki , Hideki Kawai , Akira Sugimoto , Kazuhiko Ishimaru
IPC分类号: C03C1008
CPC分类号: C03C10/0045 , C03C3/085
摘要: A glass ceramics composition for recording disk substrate contains, essentially, expressed in terms of weight percent on the oxide basis, from 48 to 54.8 wt % of SiO2, from 10 to 30 wt % of Al2O3, from 10 to 30 wt % of MgO, and from 2.4 to 10 wt % of Li2O.
摘要翻译: 用于记录盘基片的玻璃陶瓷组合物基本上以氧化物的重量百分数表示,SiO 2为48至54.8重量%,Al 2 O 3为10至30重量%,MgO为10至30重量% 和2.4至10重量%的Li 2 O。
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