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    Ferrule for optical connector, mold for ferrule, method of manufacturing ferrule for optical connector, and method of testing ferrule for optical connector
    1.
    发明授权
    Ferrule for optical connector, mold for ferrule, method of manufacturing ferrule for optical connector, and method of testing ferrule for optical connector 有权
    用于光连接器的套圈，用于套圈的模具，用于光学连接器的套圈的制造方法以及用于光学连接器的套圈的测试方法

    公开(公告)号：US06340247B1

    公开(公告)日：2002-01-22

    申请号：US09509953

    申请日：2000-06-07

    申请人： Wataru Sakurai ,  Hiroshi Katsura ,  Toshiaki Kakii ,  Masahiro Shibata

    发明人： Wataru Sakurai ,  Hiroshi Katsura ,  Toshiaki Kakii ,  Masahiro Shibata

    IPC分类号： G02B636

    CPC分类号： G02B6/3885 ,  G02B6/3807 ,  G02B6/3833 ,  G02B6/3834 ,  G02B6/3839 ,  G02B6/3865

    摘要： An optical connector ferrule 1A is mounted on the distal end of a fiber optic ribbon cable 2 to form an optical connector Ca. A mating surface 11 of the optical connector Ca opposes an optical connector Cb to be mated. Fiber accommodating holes 13 are formed in the mating surface 11 so as to accommodate optical fibers, and a pair of guide projections 10 are formed on the mating surface 11 so as to be positioned with the optical connector Cb. The ferrule 1A is integrally molded with a resin. This provides an optical connector ferrule allowing the easy manufacturing of an optical connector with good transmission performance.

    摘要翻译： 光纤连接器套圈1A安装在光纤带状电缆2的远端，形成光连接器Ca。 光连接器Ca的配合表面11与配合的光连接器Cb相对。 光纤容纳孔13形成在配合表面11中以容纳光纤，并且在配合表面11上形成一对引导突起10，以便与光连接器Cb定位。 套圈1A与树脂整体模制。 这提供了一种光学连接器套圈，其允许容易地制造具有良好传输性能的光学连接器。

    Part for positioning optical fiber
    2.
    发明授权
    Part for positioning optical fiber 失效
    定位光纤的一部分

    公开(公告)号：US06478476B1

    公开(公告)日：2002-11-12

    申请号：US09445720

    申请日：1999-12-10

    申请人： Hiroshi Katsura ,  Wataru Sakurai ,  Toshiaki Kakii ,  Masahiro Shibata

    发明人： Hiroshi Katsura ,  Wataru Sakurai ,  Toshiaki Kakii ,  Masahiro Shibata

    IPC分类号： G02B636

    CPC分类号： G02B6/3885 ,  C08K3/36 ,  C08K7/10 ,  C08L81/02 ,  G02B6/3865

    摘要： The present invention relates to an optical fiber positioning member, such as a ferrule, used for optically coupling optical fibers to each other. The object of the present invention is to provide an optical fiber positioning member having practically sufficient mechanical strength and long-term durability, while maintaining high dimensional precision and dimensional stability. The optical fiber positioning member of the present invention comprises a resin composition containing a polyphenylene sulfide resin at a ratio in the range of 15% to 35% by weight, silica particles at a ratio in the range of 45% to 65% by weight, and silicate whiskers at a ratio in the range of 26% to 35% by weight, the resin composition containing the silica particles and the silicate whiskers at a ratio in the range of 65% to 85% by weight.

    摘要翻译： 光纤定位部件技术领域本发明涉及用于将光纤彼此光学耦合的光纤定位部件，例如套圈。 本发明的目的是提供具有足够的机械强度和长期耐久性的光纤定位部件，同时保持高尺寸精度和尺寸稳定性。 本发明的光纤定位构件包含含有15重量％〜35重量％的聚苯硫醚树脂的树脂组合物，二氧化硅粒子的比例在45〜65重量％的范围内， 硅酸盐晶须的比例为26〜35重量％，所述二氧化硅粒子和硅酸盐须晶的比例为65〜85重量％的树脂组合物。

    Optical connector ferrule, mold therefor, method of manufacturing optical connector ferrule, and method of inspecting optical connector ferrule
    4.
    发明授权
    Optical connector ferrule, mold therefor, method of manufacturing optical connector ferrule, and method of inspecting optical connector ferrule 有权
    光连接器套圈，其模具，光连接器套管的制造方法以及光连接器套圈的检查方法

    公开(公告)号：US06719927B2

    公开(公告)日：2004-04-13

    申请号：US09771894

    申请日：2001-01-30

    申请人： Wataru Sakurai ,  Hiroshi Katsura ,  Toshiaki Kakii ,  Masahiro Shibata

    发明人： Wataru Sakurai ,  Hiroshi Katsura ,  Toshiaki Kakii ,  Masahiro Shibata

    IPC分类号： B29G4526

    CPC分类号： G02B6/3885 ,  G02B6/3807 ,  G02B6/3833 ,  G02B6/3834 ,  G02B6/3839 ,  G02B6/3865

    摘要： An optical connector ferrule 1A is mounted on the distal end of a fiber optic ribbon cable 2 to form an optical connector Ca. A mating surface 11 of the optical connector Ca opposes an optical connector Cb to be mated. Fiber accommodating holes 13 are formed in the mating surface 11 so as to accommodate optical fibers, and a pair of guide projections 10 are formed on the mating surface 11 so as to be positioned with the optical connector Cb. The ferrule 1A is integrally molded with a resin. This provides an optical connector ferrule allowing the easy manufacturing of an optical connector with good transmission performance.

    摘要翻译： 光纤连接器套圈1A安装在光纤带状电缆2的远端，形成光连接器Ca。 光连接器Ca的配合表面11与配合的光连接器Cb相对。 光纤容纳孔13形成在配合表面11中以容纳光纤，并且在配合表面11上形成一对引导突起10，以便与光连接器Cb定位。 套圈1A与树脂整体模制。 这提供了一种光学连接器套圈，其允许容易地制造具有良好传输性能的光学连接器。

    Method of molding an optical connector ferrule
    5.
    发明授权
    Method of molding an optical connector ferrule 失效
    光连接器套圈成型方法

    公开(公告)号：US6074577A

    公开(公告)日：2000-06-13

    申请号：US998942

    申请日：1997-12-29

    申请人： Hiroshi Katsura ,  Makoto Honjo ,  Toshiaki Kakii ,  Wataru Sakurai ,  Masahiro Shibata

    发明人： Hiroshi Katsura ,  Makoto Honjo ,  Toshiaki Kakii ,  Wataru Sakurai ,  Masahiro Shibata

    IPC分类号： G02B6/36 ,  B29C33/44 ,  B29C45/26 ,  B29D11/00 ,  G02B6/38

    CPC分类号： G02B6/3885 ,  B29C33/44 ,  B29C45/2628 ,  B29D11/0075 ,  G02B6/3865 ,  B29L2011/0075 ,  G02B6/3882

    摘要： An end-face-side core 5 from which an optical fiber hole forming pin 1 is projected is fastened by a mold to a fiber-side core 10 from which an optical fiber hole forming pin 6 and a cavity forming member (for example, a tape fiber hole forming rectangular body 8) are projected, while the end-face-side core and the fiber-side core are opposed to each other, the cavity forming member being behind the optical fiber hole forming pin 6 and larger than the optical fiber hole forming pin. A resin is injected into a cavity formed in the mold. The mold is opened, the end-face-side core 5 and the fiber-side core 10 are slid in directions in which the end-face-side core and the fiber-side core are separated from each other, and a resin molded product is then taken out.

    摘要翻译： 将光纤孔形成销1突出的端面侧芯5通过模具固定到光纤侧芯10，光纤孔形成销6和空腔形成构件（例如， 带状纤维孔形成矩形体8）被突出，而端面侧芯和纤维侧芯彼此相对，空腔形成构件位于光纤孔形成销6的后面并且大于光纤 孔成型销。 将树脂注入模具中形成的空腔中。 模具打开时，端面侧芯5和纤维侧芯10在端面侧芯和纤维侧芯分离的方向上滑动，树脂成形品 然后取出。

    Ferrule for optical connector and making method thereof
    10.
    发明授权
    Ferrule for optical connector and making method thereof 有权
    光连接器用套圈及其制造方法

    公开(公告)号：US06676300B2

    公开(公告)日：2004-01-13

    申请号：US10084664

    申请日：2002-02-28

    申请人： Kenichiro Ohtsuka ,  Hiroshi Katsura ,  Tomohiko Ueda ,  Toshiaki Kakii

    发明人： Kenichiro Ohtsuka ,  Hiroshi Katsura ,  Tomohiko Ueda ,  Toshiaki Kakii

    IPC分类号： G02B636

    CPC分类号： G02B6/3847 ,  G02B6/3822 ,  G02B6/3834 ,  G02B6/3854 ,  G02B6/3861 ,  G02B6/3863 ,  G02B6/3882 ,  G02B6/3885

    摘要： A ferrule for optical connector according to the present invention is provided with a fiber positioning hole, a pair of guide holes into which guide pins are inserted, and a connecting end face in which ends of the fiber positioning hole and guide holes open. A chamfer portion equivalent to a part of a surface of a body of revolution is formed at each guide hole on the connecting end face side. Further, the connecting end face is formed at an angle relative to a plane normal to the center axes of the pair of guide holes. In this structure, the slope of the connecting end face can suppress degradation of connection loss, and the provision of the chamfer portions can facilitate insertion of the guide pins, prevent damage of the connecting end face due to the guide pins, and also suppress degradation of connection loss due to the damage.

    摘要翻译： 根据本发明的用于光连接器的套圈设置有光纤定位孔，一对引导孔插入其中的引导孔以及光纤定位孔和引导孔的端部打开的连接端面。 在连接端面侧的每个引导孔处形成相当于旋转体的一部分表面的倒角部分。 此外，连接端面相对于与该对导孔的中心轴垂直的平面成一角度地形成。 在这种结构中，连接端面的斜率可以抑制连接损耗的降低，并且提供倒角部分可以有利于引导销的插入，防止由于引导销引起的连接端面的损坏，并且还抑制劣化 的连接损失由于损坏。