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    Method of manufacturing granulated silica powder, method of manufacturing vitreous silica crucible
    1.
    发明授权
    Method of manufacturing granulated silica powder, method of manufacturing vitreous silica crucible 有权
    造粒二氧化硅粉末的制造方法，石英坩埚的制造方法

    公开(公告)号：US09284207B2

    公开(公告)日：2016-03-15

    申请号：US13308223

    申请日：2011-11-30

    申请人： Toshiaki Sudo ,  Takuma Yoshioka ,  Koichi Suzuki ,  Shinsuke Yamazaki

    发明人： Toshiaki Sudo ,  Takuma Yoshioka ,  Koichi Suzuki ,  Shinsuke Yamazaki

    IPC分类号： C03B19/01 ,  C03B19/09 ,  C03B19/06 ,  C03B20/00 ,  B02C23/00 ,  C03B1/02

    CPC分类号： C03B1/02 ,  C03B19/095 ,  Y02P40/52

    摘要： The present invention provides a method of manufacturing a vitreous silica crucible having a transparent layer by use of waste vitreous silica, and silica powder suitable for the manufacturing. According to the present invention, there is provided a method of manufacturing granulated silica powder comprising a process for pulverizing waste vitreous silica generated in the manufacturing process of a crucible to form silica fine powder having an average particle diameter of 100 μm or less, and a process for granulating the silica fine powder to obtain granulated silica powder having an average particle diameter of 50 μm or more under helium atmosphere.

    摘要翻译： 本发明提供一种通过使用废二氧化硅二氧化硅制造具有透明层的石英玻璃坩埚和适于制造的二氧化硅粉末的方法。 根据本发明，提供了一种制造粒状二氧化硅粉末的方法，其包括在坩埚的制造过程中产生的废二氧化硅二氧化硅的粉碎方法，以形成平均粒径为100μm以下的二氧化硅细粉末， 在二氧化硅细粉末上造粒的方法，得到氦气氛下平均粒径为50μm以上的粒状二氧化硅粉末。

    METHOD OF MANUFACTURING GRANULATED SILICA POWDER, METHOD OF MANUFACTURING VITREOUS SILICA CRUCIBLE
    2.
    发明申请
    METHOD OF MANUFACTURING GRANULATED SILICA POWDER, METHOD OF MANUFACTURING VITREOUS SILICA CRUCIBLE 有权
    制造颗粒状二氧化硅粉末的方法，制造维生素二氧化硅可溶性的方法

    公开(公告)号：US20120137732A1

    公开(公告)日：2012-06-07

    申请号：US13308223

    申请日：2011-11-30

    申请人： Toshiaki Sudo ,  Takuma Yoshioka ,  Koichi Suzuki ,  Shinsuke Yamazaki

    发明人： Toshiaki Sudo ,  Takuma Yoshioka ,  Koichi Suzuki ,  Shinsuke Yamazaki

    IPC分类号： C03B20/00 ,  B02C23/00 ,  C03B19/09 ,  C03B19/01 ,  C03B19/06

    CPC分类号： C03B1/02 ,  C03B19/095 ,  Y02P40/52

    摘要： The present invention provides a method of manufacturing a vitreous silica crucible having a transparent layer by use of waste vitreous silica, and silica powder suitable for the manufacturing. According to the present invention, there is provided a method of manufacturing granulated silica powder comprising a process for pulverizing waste vitreous silica generated in the manufacturing process of a crucible to form silica fine powder having an average particle diameter of 100 μm or less, and a process for granulating the silica fine powder to obtain granulated silica powder having an average particle diameter of 50 μm or more under helium atmosphere.

    摘要翻译： 本发明提供一种通过使用废二氧化硅二氧化硅制造具有透明层的石英玻璃坩埚和适于制造的二氧化硅粉末的方法。 根据本发明，提供了一种制造粒状二氧化硅粉末的方法，其包括在坩埚的制造过程中产生的废二氧化硅二氧化硅的粉碎方法，以形成平均粒径为100μm以下的二氧化硅细粉末， 在二氧化硅细粉末上造粒的方法，得到氦气氛下平均粒径为50μm以上的粒状二氧化硅粉末。

    Method of manufacturing vitreous silica crucible, vitreous silica crucible
    3.
    发明授权
    Method of manufacturing vitreous silica crucible, vitreous silica crucible 有权
    玻璃石坩埚，石英玻璃坩埚的制造方法

    公开(公告)号：US09469560B2

    公开(公告)日：2016-10-18

    申请号：US13307316

    申请日：2011-11-30

    申请人： Toshiaki Sudo ,  Takuma Yoshioka ,  Koichi Suzuki ,  Shinsuke Yamazaki

    发明人： Toshiaki Sudo ,  Takuma Yoshioka ,  Koichi Suzuki ,  Shinsuke Yamazaki

    IPC分类号： C03B19/09 ,  C03B19/06 ,  C30B11/00 ,  C30B15/10

    CPC分类号： C03B19/095 ,  C03B19/066 ,  C30B11/002 ,  C30B15/10 ,  Y10T428/131 ,  Y10T428/1314 ,  Y10T428/1317

    摘要： The present invention provides a method of manufacturing a vitreous silica crucible having a transparent layer by use of waste vitreous silica. According to the present invention, there is provided a method of manufacturing a vitreous silica crucible for manufacturing a monocrystalline or polycrystalline silicon ingot, including a process of vitrifying a silica powder sintered body having a crucible shape in the whole or part of the thickness direction by arc fusing the silica powder sintered body from the inner surface side, wherein the method further includes at least one means of (1) depressurizing the silica powder sintered body from the outer surface side during the arc fusing, and (2) forming a synthetic vitreous silica layer on the inner surface by spraying synthetic silica powder onto the inner surface of the silica powder sintered body during the arc fusing.

    摘要翻译： 本发明提供一种通过使用废二氧化硅二氧化硅制造具有透明层的石英玻璃坩埚的方法。 根据本发明，提供了一种制造用于制造单晶硅或多晶硅锭的石英玻璃坩埚的方法，该方法包括将整个或部分厚度方向上具有坩埚形状的二氧化硅粉末烧结体玻璃化的方法， 从内表面电弧熔融二氧化硅粉末烧结体，其中该方法还包括（1）在电弧熔合期间从外表面侧使二氧化硅粉末烧结体减压的至少一种方法，和（2）形成合成玻璃态 通过在电弧熔合期间将合成二氧化硅粉末喷涂到二氧化硅粉末烧结体的内表面上，在内表面上形成二氧化硅层。

    Vitreous silica crucible with specific ratio of transparent layer and bubble-containing layer thicknesses
    6.
    发明授权
    Vitreous silica crucible with specific ratio of transparent layer and bubble-containing layer thicknesses 有权
    玻璃硅石坩埚具有特定比例的透明层和含气泡层厚度

    公开(公告)号：US09347148B2

    公开(公告)日：2016-05-24

    申请号：US13308250

    申请日：2011-11-30

    申请人： Toshiaki Sudo ,  Ken Kitahara ,  Koichi Suzuki ,  Shinsuke Yamazaki

    发明人： Toshiaki Sudo ,  Ken Kitahara ,  Koichi Suzuki ,  Shinsuke Yamazaki

    IPC分类号： C30B15/10

    CPC分类号： C30B15/10 ,  Y10T117/1032

    摘要： Provided is a vitreous silica crucible, which is resistant to deformation and corrosion even when heated at high temperature for a long time. There is provided a vitreous silica crucible of the present invention including a substantially cylindrical straight body portion, a curved bottom portion, and a corner portion smoothly connecting the straight body portion and the bottom portion, wherein a wall of the vitreous silica crucible includes, from an inner surface side, a transparent layer and a bubble-containing layer, and a ratio of a thickness of the bubble-containing layer with respect to a thickness of the transparent layer at an intermediate position between an upper end and a lower end of the straight body portion is 0.7 to 1.4.

    摘要翻译： 提供一种二氧化硅玻璃坩埚，即使长时间在高温下加热也能抵抗变形和腐蚀。 提供了一种本发明的石英玻璃坩埚，其包括基本上圆柱形的直体部分，弯曲的底部部分和平滑地连接直体部分和底部部分的角部分，其中，石英坩埚坩埚的壁包括 内表面侧，透明层和含气泡层，以及气泡含量层的厚度相对于透明层的厚度在上端和下端之间的中间位置的比例 直体部分为0.7〜1.4。

    Composite crucible and method of manufacturing the same
    7.
    发明授权
    Composite crucible and method of manufacturing the same 有权
    复合坩埚及其制造方法

    公开(公告)号：US09266763B2

    公开(公告)日：2016-02-23

    申请号：US13335778

    申请日：2011-12-22

    申请人： Toshiaki Sudo ,  Ken Kitahara ,  Takuma Yoshioka

    发明人： Toshiaki Sudo ,  Ken Kitahara ,  Takuma Yoshioka

    IPC分类号： C03B19/06 ,  C03B19/09 ,  C30B15/10 ,  C30B29/06 ,  C30B35/00

    CPC分类号： C03B19/095 ,  C30B15/10 ,  C30B29/06 ,  C30B35/002 ,  Y02P40/57 ,  Y10T117/10

    摘要： The purpose of the present invention is to provide a crucible which has high viscosity at high temperature, can be used for a long time, and can be manufactured at low cost, and a method of manufacturing the crucible. The present invention provides a composite crucible including a vitreous silica crucible body having a sidewall portion and a bottom portion, and a reinforcement layer provided on an outer surface side of an upper end portion of the vitreous silica crucible body, wherein the reinforcement layer is made of mullite material whose main component is alumina and silica.

    摘要翻译： 本发明的目的是提供一种在高温下具有高粘度的坩埚，可以长时间使用并且可以低成本地制造的坩埚以及坩埚的制造方法。 本发明提供一种复合坩埚，其包括具有侧壁部和底部的玻璃状石英坩埚体，以及设置在所述玻璃状石英坩埚主体的上端部的外表面侧的加强层，其中，形成所述加强层 主要成分为氧化铝和二氧化硅的莫来石材料。

    Method of manufacturing vitreous silica crucible
    8.
    发明授权
    Method of manufacturing vitreous silica crucible 有权
    石英玻璃坩埚的制造方法

    公开(公告)号：US08671716B2

    公开(公告)日：2014-03-18

    申请号：US13308328

    申请日：2011-11-30

    申请人： Toshiaki Sudo ,  Takuma Yoshioka

    发明人： Toshiaki Sudo ,  Takuma Yoshioka

    IPC分类号： C03B19/09

    CPC分类号： C03B19/095 ,  Y02P40/57

    摘要： There is provided a method of manufacturing a vitreous silica crucible having non-bubbles on the inner surface without necessitating new apparatuses for grinding and polishing and without damaging the productivity. According to the present invention, there is provided a method of manufacturing a vitreous silica crucible including the processes of: gathering a vitreous silica layer containing residual bubbles existing in a near-surface region of the transparent layer of the vitreous silica crucible by controlling the number of rotations applied to the vitreous silica crucible in a state that an inner surface side of the vitreous silica crucible is fused by arc heating; and moving a portion of a non-bubble layer in the surface of the transparent layer exposed by movement of the residual bubble-containing layer to cover a region in which bubbles have gathered with the non-bubble layer.

    摘要翻译： 提供了一种在内表面上制造具有非气泡的玻璃状石英坩埚的方法，而不需要用于研磨和抛光的新装置，而不损害生产率。 根据本发明，提供一种石英玻璃坩埚的制造方法，其特征在于，包括以下工序：通过控制所述玻璃状石英玻璃坩埚的透明层的近表面区域而含有存在残留气泡的玻璃状石英层 在通过电弧加热使石英玻璃坩埚的内表面侧熔融的状态下施加到石英玻璃坩埚上的旋转; 以及通过残留的含气泡层的移动而暴露在透明层的表面中的非气泡层的一部分，以覆盖气泡已经与非气泡层聚集的区域。

    METHOD OF CALCULATING TEMPERATURE DISTRIBUTION OF CRUCIBLE
    10.
    发明申请
    METHOD OF CALCULATING TEMPERATURE DISTRIBUTION OF CRUCIBLE 有权
    计算可分解温度分布的方法

    公开(公告)号：US20110295405A1

    公开(公告)日：2011-12-01

    申请号：US13147736

    申请日：2010-12-14

    申请人： Toshiaki Sudo ,  Eriko Suzuki ,  Naoki Ono

    发明人： Toshiaki Sudo ,  Eriko Suzuki ,  Naoki Ono

    IPC分类号： G06F19/00

    CPC分类号： C03B19/095 ,  C30B15/10 ,  G06F17/5018 ,  G06F2217/80

    摘要： Provided is a method of calculating a temperature distribution with higher accuracy than a conventional method, which calculates a temperature distribution of an inner surface of a silica powder molded body during manufacturing based on boundary conditions corrected in accordance with the actually measured temperature in consideration of plasma radiation by arc discharge and heat radiation of arc discharge.According to a method of calculating a temperature distribution of a crucible during manufacturing, includes a temperature calculation process in which a temperature calculator calculates temperature distribution in an inner surface of a silica powder molded body through a numerical calculation method which mesh-divides an object to be calculated, by calculating heat flux from heat plasma modeled by a gas flow and radiation of heat plasma radiated from arc electrodes, wherein the temperature distribution is calculated by adjusting gas flow and radiation conditions in a way that the calculated temperature distribution and the actually measured temperature distribution of an inner surface of a silica powder molded body becomes similar, and reading, from a correspondence table, gas flow and radiation conditions corresponding each step of a control sequence for producing a crucible.

    摘要翻译： 提供了一种比传统方法更高精度地计算温度分布的方法，该方法基于考虑到等离子体而根据实际测量的温度校正的边界条件计算制造期间二氧化硅粉末成型体的内表面的温度分布 电弧放电辐射和放电电弧放电。 根据制造时的坩埚的温度分布的计算方法，包括温度计算处理，其中温度计算器通过数值计算方法计算二氧化硅粉末成形体的内表面的温度分布， 通过计算由通过气流和从电弧电极辐射的热等离子体的辐射建立的热等离子体的热通量来计算，其中通过以计算的温度分布和实际测量的方式调节气体流量和辐射条件来计算温度分布 二氧化硅粉末成型体的内表面的温度分布变得相似，并且从对应表读取对应于用于制造坩埚的控制顺序的每个步骤的气体流量和辐射条件。