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    • 1. 发明授权
    • Ferrule
    • 套圈
    • US07121733B2
    • 2006-10-17
    • US10055611
    • 2001-10-29
    • Arie HengelmolenSjoerd van GeffenRene van BakelKo ArtsWilfred VermeulenShurby EloiseMartijn ScholtenMike GurreriHiroyuki YamadaMasahiro Hirao
    • Arie HengelmolenSjoerd van GeffenRene van BakelKo ArtsWilfred VermeulenShurby EloiseMartijn ScholtenMike GurreriHiroyuki YamadaMasahiro Hirao
    • G02B6/36
    • G02B6/3834
    • There is provided a ferrule which has a fiber fixed hole into which an optical fiber can be inserted easily without being broken and which can provide a sufficient fiber bonding strength, and which can restrain variations in connection loss caused by the temperature variations.A ferrule 10 is provided with two alignment pin holes 10a into which alignment pins for positioning with respect to a mating ferrule are inserted, and a plurality of fiber fixed holes H formed at predetermined intervals between the alignment pin holes to insert optical fibers. Each of the fiber fixed holes H has at least a fiber guide hole 10d for guiding the optical fiber, a fiber hole 10c connected with the fiber guide hole to accommodate the tip end of the optical fiber, and a fiber insertion hole 10e connected with the fiber guide hole 10d to introduce the optical fiber into the ferrule. A connecting portion of the fiber guide hole 10d and the fiber insertion hole 10e is formed into a taper shape. And the fiber insertion hole 10e is formed so as to introduce the sheathed portion of individual optical fiber.
    • 提供了一种具有纤维固定孔的套圈,能够容易地插入光纤而不会断裂,并且可以提供足够的纤维粘合强度,并且可以抑制由温度变化引起的连接损耗的变化。 套管10设置有两个对准销孔10a,其中插入用于相对于配合套圈定位的对准销以及在对准销孔之间以预定间隔形成以插入光纤的多个纤​​维固定孔H。 每个纤维固定孔H至少具有用于引导光纤的纤维引导孔10d,与光纤引导孔连接以容纳光纤的前端的光纤孔10c,以及光纤插入孔10e 与纤维引导孔10d连接,以将光纤引入到套圈中。 纤维导向孔10d的连接部和纤维插入孔10e形成为锥形。 并且,纤维插入孔10e形成为引入各个光纤的护套部。
    • 4. 发明授权
    • Multiple-fiber optical connector, and method for assembling the same
    • 多光纤光连接器及其组装方法
    • US06478473B1
    • 2002-11-12
    • US09583894
    • 2000-05-31
    • Masahiro Hirao
    • Masahiro Hirao
    • G02B638
    • G02B6/3861G02B6/3833G02B6/3834G02B6/3835G02B6/3837G02B6/3865
    • In a prior art multiple-fiber optical connector, it was difficult to easily and securely insert and mount a plurality of optical fibers led out from the multiple-fiber optical fiber ribbon. Further, in such a prior art multiple-fiber optical connector, it was not possible to prevent a transmission loss from being generated due to local deformation of optical fibers, which is produced in mounting optical fibers, and a connection loss from being generated due to hardening and contraction of an adhesive agent, which are in the final assembling process. In order to solve such problems, a structure of an optical connector was designed as shown below; That is, a tapered portion (3) is provided in a fiber ribbon insertion hole (2) in order to narrow the width thereof, and the tip end (33) of a sheathed portion of a multiple-fiber optical fiber ribbon (31) is engaged in and stopped in the intermediate portion (8) of the tapered portion (3), whereby the insertion position is determined. In addition, in order to guide the led out optical fiber (32) continuously from the tapered portion (3), a conical introducing portion (4) having an adequate diameter is provided, and it becomes possible to collectively insert a plurality of optical fibers securely into appointed minute holes for inserting optical fibers. Furthermore, no insertion window for an adhesive agent is necessary.
    • 在现有技术的多光纤光连接器中,难以容易且可靠地插入和安装从多纤维光纤带引出的多根光纤。 此外,在这种现有技术的多光纤光连接器中,不可能防止由于在安装光纤中产生的光纤的局部变形而产生传输损耗,并且由于 处于最终组装过程中的粘合剂的硬化和收缩。 为了解决这些问题,如下所示设计光连接器的结构。 也就是说,为了使其宽度变窄并且多纤维光纤带(31)的护套部分的末端(33)在纤维带插入孔(2)中设置有锥形部分(3) 被接合并停止在锥形部分(3)的中间部分(8)中,从而确定插入位置。 另外,为了将引出的光纤(32)从锥形部(3)连续地引导,设置有具有适当直径的圆锥形的导入部(4),能够将多根光纤 安全地插入用于插入光纤的微小孔中。 此外,不需要用于粘合剂的插入窗口。