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    Composite crucible and method of manufacturing the same
    2.
    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。

    VITREOUS SILICA CRUCIBLE
    4.
    发明申请
    VITREOUS SILICA CRUCIBLE 有权
    紫外线可溶性

    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。

    Vitreous silica crucible with specific ratio of transparent layer and bubble-containing layer thicknesses
    5.
    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。

    Vitreous silica crucible
    6.
    发明授权
    Vitreous silica crucible 有权
    石英玻璃坩埚

    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

    IPC分类号： C30B15/10 ,  C03B19/09

    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。

    Plain bearing
    7.
    发明申请
    Plain bearing 有权
    平面轴承

    公开(公告)号：US20050196084A1

    公开(公告)日：2005-09-08

    申请号：US11068846

    申请日：2005-03-02

    申请人： Ken Kitahara ,  Katsumi Asai ,  Arihiro Kimura ,  Atsushi Okado ,  Masaaki Sakamoto ,  Keiko Kitahara

    发明人： Ken Kitahara ,  Katsumi Asai ,  Arihiro Kimura ,  Atsushi Okado ,  Masaaki Sakamoto ,  Keiko Kitahara

    IPC分类号： F16C33/10 ,  F16C9/02 ,  F16C17/02 ,  F16C33/04

    CPC分类号： F16C33/1065 ,  F16C9/02 ,  F16C17/022 ,  F16C33/046 ,  F16C2360/22

    摘要： A plain bearing comprising a housing and two plain bearing halves forming a cylindrical shape in combination and fixed in the housing. Each of the plain bearing halves has crush relieves formed at both ends of an inner circumferential surface thereof in a circumferential direction, an oil groove formed on the inner circumferential surface thereof and extending in the circumferential direction, a central crown portion at substantially central position in the circumferential direction and in communication with the oil groove, and inflow preventing portions formed between the crush relieves and the oil groove.

    摘要翻译： 滑动轴承包括壳体和组合形成圆柱形并固定在壳体中的两个滑动轴承半部。 每个滑动轴承半部具有形成在其圆周方向上的内周面的两端的挤压缓冲件，形成在其内周面上并在圆周方向上延伸的油槽，位于基本中心位置的中央冠部 圆周方向并且与油槽连通，以及形成在压溃缓冲器和油槽之间的流入防止部。

    Sliding bearing
    8.
    发明申请
    Sliding bearing 有权
    滑动轴承

    公开(公告)号：US20050213859A1

    公开(公告)日：2005-09-29

    申请号：US11077029

    申请日：2005-03-11

    申请人： Koji Kuroda ,  Arihiro Kimura ,  Ken Kitahara ,  Atsushi Okado ,  Masaaki Sakamoto ,  Keiko Kitahara

    发明人： Koji Kuroda ,  Arihiro Kimura ,  Ken Kitahara ,  Atsushi Okado ,  Masaaki Sakamoto ,  Keiko Kitahara

    IPC分类号： F16C33/10 ,  F16C9/00 ,  F16C9/02 ,  F16C17/00 ,  F16C17/02 ,  F16C33/08

    CPC分类号： F16C33/1065 ,  F16C9/02 ,  F16C17/02 ,  F16C2240/40

    摘要： There is provided a sliding bearing, which can continuously enhance conformability even when deformation by high oil film pressure in the vicinity of a central part of the sliding bearing occurs. The sliding bearing includes crownings which are each formed in an inclined shape toward an outer peripheral surface from an inner peripheral surface, at end parts in an axial direction, of an inner peripheral surface of a sliding bearing, so that even when the region in the vicinity of the central part of the sliding bearing 1 receives the oil film pressure and deforms in the recessed shape so as for both the end parts in the axial direction to locally contact a shaft, conformability can be enhanced not only at an early stage of use of the sliding bearing but also continuously by relief by the crownings.

    摘要翻译： 提供了一种滑动轴承，即使发生滑动轴承的中心部附近的高油膜压力的变形，也能够连续地提高适应性。 滑动轴承包括顶盖，其形成为从滑动轴承的内周面的轴向的内周面的内周面朝向外周面倾斜的形状，使得即使在 滑动轴承1的中心部附近受到油膜压力的变形，使两端部在轴向上局部接触的凹部形状变形，不仅可以在使用的早期阶段提高适应性 的滑动轴承，但也通过凸起的缓冲。