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1.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。
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2.发明申请COMPOSITE CRUCIBLE, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING SILICON CRYSTAL 有权复合硬质合金，其制造方法和制造硅晶体的方法公开(公告)号：US20120160155A1
公开(公告)日：2012-06-28
申请号：US13394268
申请日：2010-08-20
申请人： Toshiaki Sudo , Takuma Yoshioka , Hiroshi Kishi , Takeshi Fujita , Minoru Kanda , Koichi Suzuki , Ken Kitahara
发明人： Toshiaki Sudo , Takuma Yoshioka , Hiroshi Kishi , Takeshi Fujita , Minoru Kanda , Koichi Suzuki , Ken Kitahara
CPC分类号： C04B41/5022 , C03B5/025 , C03B19/02 , C03B19/09 , C03B19/095 , C03C17/004 , C03C17/02 , C03C2217/213 , C03C2218/13 , C03C2218/17 , C04B35/185 , C04B41/009 , C04B41/86 , C04B2235/6027 , C30B15/10 , C30B29/06 , C30B35/002 , Y02P40/57 , Y10T117/1032 , C04B41/4527
摘要： The purpose of the present invention is to provide a crucible which has high viscosity at high temperature, and can be used for a long time, and can be manufactured at low cost, and a method of manufacturing the same. The composite crucible 10 is characterized in the use of mullite (3Al2O3.2SiO2) as the basic material of the crucible. The composite crucible 10 has the crucible body 11 made of mullite material whose main component is alumina and silica, and a transparent vitreous silica layer 12 formed on the inner surface of the crucible body 11. The thickness of the transparent vitreous silica layer 12 is smaller than that of the crucible body 11. The crucible body 11 can be formed by the slip casting method, and the transparent vitreous silica layer 12 can be formed by the thermal spraying method.
摘要翻译： 本发明的目的是提供一种在高温下具有高粘度且长时间使用并且可以低成本制造的坩埚及其制造方法。 复合坩埚10的特征在于使用莫来石（3Al2O3.2SiO2）作为坩埚的基本材料。 复合坩埚10具有由主成分为氧化铝和二氧化硅的莫来石材料制成的坩埚体11和形成在坩埚体11的内表面上的透明玻璃状石英层12.透明玻璃状石英层12的厚度较小 坩埚主体11可以通过流延法形成，透明玻璃状二氧化硅层12可以通过热喷涂法形成。
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3.发明授权公开(公告)号：US09133063B2
公开(公告)日：2015-09-15
申请号：US13394268
申请日：2010-08-20
申请人： Toshiaki Sudo , Takuma Yoshioka , Hiroshi Kishi , Takeshi Fujita , Minoru Kanda , Koichi Suzuki , Ken Kitahara
发明人： Toshiaki Sudo , Takuma Yoshioka , Hiroshi Kishi , Takeshi Fujita , Minoru Kanda , Koichi Suzuki , Ken Kitahara
IPC分类号： C30B15/10 , C03B19/02 , C03B20/00 , C04B41/50 , C03B19/09 , C04B35/185 , C04B41/00 , C04B41/86 , C30B29/06 , C30B35/00
CPC分类号： C04B41/5022 , C03B5/025 , C03B19/02 , C03B19/09 , C03B19/095 , C03C17/004 , C03C17/02 , C03C2217/213 , C03C2218/13 , C03C2218/17 , C04B35/185 , C04B41/009 , C04B41/86 , C04B2235/6027 , C30B15/10 , C30B29/06 , C30B35/002 , Y02P40/57 , Y10T117/1032 , C04B41/4527
摘要： The purpose of the present invention is to provide a crucible which has high viscosity at high temperature, and can be used for a long time, and can be manufactured at low cost, and a method of manufacturing the same. The composite crucible 10 is characterized in the use of mullite (3Al2O3.2SiO2) as the basic material of the crucible. The composite crucible 10 has the crucible body 11 made of mullite material whose main component is alumina and silica, and a transparent vitreous silica layer 12 formed on the inner surface of the crucible body 11. The thickness of the transparent vitreous silica layer 12 is smaller than that of the crucible body 11. The crucible body 11 can be formed by the slip casting method, and the transparent vitreous silica layer 12 can be formed by the thermal spraying method.
摘要翻译： 本发明的目的是提供一种在高温下具有高粘度且长时间使用并且可以低成本制造的坩埚及其制造方法。 复合坩埚10的特征在于使用莫来石（3Al2O3.2SiO2）作为坩埚的基本材料。 复合坩埚10具有由主成分为氧化铝和二氧化硅的莫来石材料制成的坩埚体11和形成在坩埚体11的内表面上的透明玻璃状石英层12.透明玻璃状石英层12的厚度较小 坩埚主体11可以通过流延法形成，透明玻璃状二氧化硅层12可以通过热喷涂法形成。
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4.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
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。
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5.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
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。
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6.发明授权公开(公告)号：US09469560B2
公开(公告)日：2016-10-18
申请号：US13307316
申请日：2011-11-30
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。
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公开(公告)号：US08936684B2
公开(公告)日：2015-01-20
申请号：US13308344
申请日：2011-11-30
申请人： Toshiaki Sudo , Hiroshi Kishi , Ken Kitahara
发明人： Toshiaki Sudo , Hiroshi Kishi , Ken Kitahara
CPC分类号： C30B15/10 , C03B19/095 , Y10T117/10 , Y10T117/1024 , Y10T117/1032
摘要： The present invention provides a vitreous silica crucible which can suppress buckling and sidewall lowering of the crucible and the generation of cracks. According to the present invention, a vitreous silica crucible is provided for pulling a silicon single crystal having a wall, the wall including a non-doped inner surface layer made of natural vitreous silica or synthetic vitreous silica, a mineralizing element-maldistributed vitreous silica layer containing dispersed island regions each containing a mineralizing element, and wherein the vitreous silica of the island regions and the vitreous silica of a surrounding region of the island regions is a combination of mineralizing element-doped natural vitreous silica and non-doped synthetic vitreous silica, or a combination of mineralizing element-doped synthetic vitreous silica and non-doped natural vitreous silica, and the inner surface layer is made of vitreous silica of a different kind from that of the island region.
摘要翻译： 本发明提供一种可以抑制坩埚的翘曲和侧壁降低以及产生裂纹的石英玻璃坩埚。 根据本发明，提供一种玻璃状石英坩埚，用于拉拔具有壁的硅单晶，所述壁包括由天然氧化硅玻璃或合成玻璃态二氧化硅制成的非掺杂内表面层，矿化元素分布不均的玻璃状石英层 含有各自含有矿化元素的分散的岛状区域，岛状区域的石英二氧化硅和岛状区域的周围区域的玻璃态二氧化硅是矿化元素掺杂天然玻璃质石英和非掺杂合成玻璃态二氧化硅的组合， 或矿化元素掺杂的合成玻璃体二氧化硅和非掺杂天然玻璃体二氧化硅的组合，并且内表面层由与岛状区域不同种类的玻璃态二氧化硅制成。
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公开(公告)号：US20120137964A1
公开(公告)日：2012-06-07
申请号：US13308344
申请日：2011-11-30
申请人： Toshiaki Sudo , Hiroshi Kishi , Ken Kitahara
发明人： Toshiaki Sudo , Hiroshi Kishi , Ken Kitahara
IPC分类号： C30B15/10
CPC分类号： C30B15/10 , C03B19/095 , Y10T117/10 , Y10T117/1024 , Y10T117/1032
摘要： The present invention provides a vitreous silica crucible which can suppress buckling and sidewall lowering of the crucible and the generation of cracks. According to the present invention, a vitreous silica crucible is provided for pulling a silicon single crystal having a wall, the wall including a non-doped inner surface layer made of natural vitreous silica or synthetic vitreous silica, a mineralizing element-maldistributed vitreous silica layer containing dispersed island regions each containing a mineralizing element, and wherein the vitreous silica of the island regions and the vitreous silica of a surrounding region of the island regions is a combination of mineralizing element-doped natural vitreous silica and non-doped synthetic vitreous silica, or a combination of mineralizing element-doped synthetic vitreous silica and non-doped natural vitreous silica, and the inner surface layer is made of vitreous silica of a different kind from that of the island region.
摘要翻译： 本发明提供一种可以抑制坩埚的翘曲和侧壁降低以及产生裂纹的石英玻璃坩埚。 根据本发明，提供一种玻璃状石英坩埚，用于拉拔具有壁的硅单晶，所述壁包括由天然氧化硅玻璃或合成玻璃态二氧化硅制成的非掺杂内表面层，矿化元素分布不均的玻璃状石英层 含有各自含有矿化元素的分散的岛状区域，岛状区域的石英二氧化硅和岛状区域的周围区域的玻璃态二氧化硅是矿化元素掺杂天然玻璃质石英和非掺杂合成玻璃态二氧化硅的组合， 或矿化元素掺杂的合成玻璃体二氧化硅和非掺杂天然玻璃体二氧化硅的组合，并且内表面层由与岛状区域不同种类的玻璃态二氧化硅制成。
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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
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。
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公开(公告)号：US09534318B2
公开(公告)日：2017-01-03
申请号：US13335885
申请日：2011-12-22
申请人： Toshiaki Sudo , Taira Sato , Shuichi Ikehata , Manabu Shonai , Takuji Nishi , Takaya Satou , Shinsuke Yamazaki
发明人： Toshiaki Sudo , Taira Sato , Shuichi Ikehata , Manabu Shonai , Takuji Nishi , Takaya Satou , Shinsuke Yamazaki
CPC分类号： C03C23/0025 , C03B19/095 , C30B15/00 , C30B15/10 , C30B35/002 , Y10T117/10
摘要： The present invention provides a method of manufacturing a vitreous silica crucible including: a taking-out process of taking out the vitreous silica crucible from the mold, a honing process of removing the unfused silica powder layer on the outer surface of the vitreous silica crucible, and further comprising, after the taking-out process and before the honing process, a marking process of marking an identifier comprised of one or more groove line on the outer surface of the vitreous silica crucible, wherein the groove line after the honing process has a depth of 0.2 to 0.5 mm, and a width of 0.8 mm or more at the opening of the groove line.
摘要翻译： 本发明提供了一种制造石英玻璃坩埚的方法，包括：从模具中取出玻璃状石英坩埚的取出工序，除去石英玻璃坩埚外表面的未熔融二氧化硅粉末层的珩磨处理， 并且还包括在所述取出处理之后并且在所述珩磨处理之前，对所述石英玻璃坩埚的外表面上的由一条或多条槽线组成的标识符进行标记处理，其中，所述珩磨处理后的所述槽线具有 深度为0.2〜0.5mm，宽度为0.8mm以上。
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