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    Method of manufacturing a magnetic recording disk
    1.
    发明授权
    Method of manufacturing a magnetic recording disk 失效
    制造磁记录盘的方法

    公开(公告)号：US5681609A

    公开(公告)日：1997-10-28

    申请号：US736476

    申请日：1996-10-24

    申请人： Teruki Kitayama ,  Kazuhiko Sekiguchi ,  Teruhisa Fujita ,  Yoshio Murano ,  Sakuji Yoshihara ,  Takeshi Kojima

    发明人： Teruki Kitayama ,  Kazuhiko Sekiguchi ,  Teruhisa Fujita ,  Yoshio Murano ,  Sakuji Yoshihara ,  Takeshi Kojima

    IPC分类号： C03C3/083 ,  C03C17/25 ,  C03C17/40 ,  C03C21/00 ,  C03C23/00 ,  G11B5/73 ,  G11B5/84 ,  G11B7/253 ,  C03C15/00 ,  B05D5/12

    CPC分类号： C03C17/40 ,  C03C17/25 ,  C03C21/002 ,  C03C23/007 ,  C03C23/0075 ,  C03C3/083 ,  G11B5/7315 ,  G11B5/8404 ,  G11B7/2531 ,  C03C2217/213 ,  C03C2218/11 ,  Y10S428/913 ,  Y10S430/146 ,  Y10T428/21 ,  Y10T428/315

    摘要： A method for manufacturing a magnetic recording disk including the steps of forming a film of solution on at least a principal surface of a sheet glass; the solution contains a water soluble inorganic material and a surface active agent; sandwiching both sides of a single sheet glass on which the film is formed or on a laminated structure of plural sheet glasses with a densified sheet with a high flatness to pressure the single glass or laminated structure; and heating and annealing the single sheet glass or laminated structure to flatten it. The end side of the flattened glass substrate is treated with a treating solution containing hydrofluosilicic acid. The glass substrate is formed by chemically strengthening a glass substrate by immersing the glass substrate in a chemical reinforcement solution, heating, and ion exchanging ions on the surface of the glass substrate with ions in the chemical reinforcement solution; removing the substrate from the chemical reinforcement solution and annealing the substrate at a temperature higher than the crystallization temperature of the molten salt; annealing the glass substrate; and finally cleaning the substrate.

    摘要翻译： 一种制造磁记录盘的方法，包括以下步骤：在平板玻璃的至少主表面上形成溶液膜; 该溶液含有水溶性无机材料和表面活性剂; 将形成有薄膜的单片玻璃的两面或多层薄片玻璃的层叠结构夹在单层玻璃或层叠结构的平坦度高的致密片上; 并对单片玻璃或层叠结构进行加热退火以使其平坦化。 扁平玻璃基板的端部用含有氟化硅酸的处理液处理。 通过在化学增强溶液中将玻璃基板浸渍在化学增强溶液中，在玻璃基板的表面上离子加热离子交换离子，通过化学强化玻璃基板来形成玻璃基板; 从所述化学增强溶液中除去所述基材并在高于所述熔融盐的结晶温度的温度下退火所述基材; 退火玻璃基板; 并最终清洗基材。

    Method of manufacturing a magnetic recording disk using glass substrate
    2.
    发明授权
    Method of manufacturing a magnetic recording disk using glass substrate 失效
    使用玻璃基板制造磁记录盘的方法

    公开(公告)号：US5725625A

    公开(公告)日：1998-03-10

    申请号：US736475

    申请日：1996-10-24

    申请人： Teruki Kitayama ,  Kazuhiko Sekiguchi ,  Teruhisa Fujita ,  Yoshio Murano ,  Sakuji Yoshihara ,  Takeshi Kojima

    发明人： Teruki Kitayama ,  Kazuhiko Sekiguchi ,  Teruhisa Fujita ,  Yoshio Murano ,  Sakuji Yoshihara ,  Takeshi Kojima

    IPC分类号： C03C3/083 ,  C03C17/25 ,  C03C17/40 ,  C03C21/00 ,  C03C23/00 ,  G11B5/73 ,  G11B5/84 ,  G11B7/253

    CPC分类号： C03C17/40 ,  C03C17/25 ,  C03C21/002 ,  C03C23/007 ,  C03C23/0075 ,  C03C3/083 ,  G11B5/7315 ,  G11B5/8404 ,  G11B7/2531 ,  C03C2217/213 ,  C03C2218/11 ,  Y10S428/913 ,  Y10S430/146 ,  Y10T428/21 ,  Y10T428/315

    摘要： A glass substrate manufacturing method advantageously applicable to magnetic recording disk glass substrates, LCD glass substrates, photomask glass substrates, or optical memory glass substrates. The glass substrate is formed by chemically strengthening a glass substrate by immersing the glass substrate in a chemical reinforcement solution heated and then ion exchanging ions on the surface layer of the glass substrate with ions in the chemical reinforcement solution; removing the substrate from the chemical reinforcement solution and then annealing it to a temperature higher than the crystallization temperature of a molten salt; rapidly cooling the glass substrate at a rate at which the crystallization of the molten salt deposited on the surface of the glass substrate is prevented; and then cleaning the surface of the glass substrate. Moreover, the glass substrate is formed by chemically strengthening a glass substrate by immersing the glass substrate in a chemical reinforcement solution heated and then ion exchanging ions on the surface layer of the glass substrate with ions in the chemical reinforcement solution; and removing the substrate from the chemical reinforcement solution and then cleaning the surface of the glass substrate with a cleaning agent containing acid.

    摘要翻译： 玻璃基板制造方法有利地适用于磁记录盘玻璃基板，LCD玻璃基板，光掩模玻璃基板或光学记忆玻璃基板。 玻璃基板通过将玻璃基板浸入化学增强溶液中，然后将化学增强溶液中的离子与玻璃基板的表面层离子交换离子进行化学强化来形成玻璃基板; 从化学增强溶液中除去基材，然后将其退火至高于熔融盐的结晶温度的温度; 以防止沉积在玻璃基板表面上的熔融盐结晶的速度快速冷却玻璃基板; 然后清洗玻璃基板的表面。 此外，玻璃基板通过将玻璃基板浸入加热化学增强溶液中，然后将化学增强溶液中的离子与玻璃基板的表面层离子交换离子进行化学强化而形成玻璃基板; 并从化学增强溶液中除去基材，然后用含有酸的清洗剂清洗玻璃基材的表面。