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1. 发明申请

WO1998016857A1 OPTICAL CONNECTOR, METHOD OF SETTING PROTRUDING LENGTH OF OPTICAL FIBER OF THE OPTICAL CONNECTOR, AND JIG THEREFOR 审中-公开
标题翻译：光学连接器，设置光学连接器的光纤延伸长度的方法及其附件
公开(公告)号：WO1998016857A1
公开(公告)日：1998-04-23
申请号：PCT/JP1997003689
申请日：1997-10-14
申请人： THE FURUKAWA ELECTRIC CO., LTD. , NIPPON TELEGRAPH AND TELEPHONE CORPORATION , KAWAMURA, Yasumoto , HAYASHI, Takehiro , KANAI, Ken , HOGARI, Kazuo , FIRUKAWA, Shinichi , NAGASAWA, Shinji
发明人： THE FURUKAWA ELECTRIC CO., LTD. , NIPPON TELEGRAPH AND TELEPHONE CORPORATION
IPC分类号： G02B06/36
CPC分类号： G02B6/3858 , G02B6/3855 , G02B6/3861 , G02B6/3885
摘要： An optical connector which correctly sets a protruding length of an optical fiber (5) protruding from a connection end face (16) of a ferrule (1), a method of setting the protruding length of the optical fiber of this optical connector and a jig therefor are described. A recessed surface (33) is formed in a ferrule receiving surface (32). The depth of the recess surface (33) is set to be equal to the protruding length of the optical fiber (5) protruding from the connection end face (16) of the ferrule (1). The ferrule (1) is clamped by ferrule clamping members (35a and 35b) and is pressed to the ferrule receiving surface (32) by the urging force of a compression spring (36). An optical fiber core wire (3) is passed through the ferrule (1), is allowed to protrude from the connection end face (16) of the ferrule (1) and is butted against the recess surface (33). The optical fiber core wire (3) is clamped by a core wire clamping member (41), which is urged toward the ferrule receiving face (32) by the urging force of a compression spring (42) so that the distal end of the optical fiber (5) is brought into pressure contact with the recess surface (33). An adhesive is charged under this state into an adhesive charging hole (43) of the ferrule (1) so as to bond and fix the optical fiber (5) to the ferrule (1), and an optical connector whose optical fiber (5) is allowed to protrude by a predetermined length from the connection end face (16) can be obtained.
摘要翻译：一种正确设定从套圈（1）的连接端面（16）突出的光纤（5）的突出长度的光连接器，设置该光连接器的光纤的突出长度的方法以及夹具因此被描述。凹陷表面（33）形成在套圈接收表面（32）中。凹部表面（33）的深度设定为与从套圈（1）的连接端面（16）突出的光纤（5）的突出长度相等。套圈（1）由套圈夹紧构件（35a和35b）夹紧，并通过压缩弹簧（36）的推力被压到套圈接收表面（32）。光纤芯线（3）穿过套管（1），允许从套圈（1）的连接端面（16）突出，并且抵靠凹部（33）。光纤芯线（3）由芯线夹紧件（41）夹紧，该芯线夹紧件（41）通过压缩弹簧（42）的作用力而被推向套圈接收面（32），使得光纤纤维（5）与凹面（33）压力接触。在该状态下将粘合剂装入到套圈（1）的粘合剂充填孔（43）中，以将光纤（5）固定并固定到套圈（1）上，并且将光纤（5）可以从连接端面（16）突出预定长度。

2. 发明申请

WO1998016856A1 METHOD OF PRODUCTION OF OPTICAL CONNECTOR 审中-公开
标题翻译：光连接器的生产方法
公开(公告)号：WO1998016856A1
公开(公告)日：1998-04-23
申请号：PCT/JP1997003688
申请日：1997-10-14
申请人： THE FURUKAWA ELECTRIC CO., LTD. , NIPPON TELEGRAPH AND TELEPHONE CORPORATION , KANAI, Ken , YAMAKAWA, Jun , SHIMOJI, Naoko , NAGASAWA, Shinji
发明人： THE FURUKAWA ELECTRIC CO., LTD. , NIPPON TELEGRAPH AND TELEPHONE CORPORATION
IPC分类号： G02B06/36
CPC分类号： G02B6/3861 , G02B6/3863 , Y10T156/108
摘要： A method of production of an optical connector which can adjust a protruding length of a bare optical fiber (7) from a connection end face (3) of a ferrule. At a step (a), an optical fiber core wire (5) is inserted through an optical fiber connection hole (4) of the ferrule (1), and the bare optical fiber (7) and the ferrule (1) are heated at a first curing temperature to cure a thermosetting adhesive (11). At the next step (b), the connection end face (3) is polished to make an end face flush with the distal end face of the bare optical fiber (7). At the next step (c), the thermosetting adhesive (11) is again heated and cured at a temperature higher than the first curing temperature and the distal end of the bare optical fiber (7) is allowed to protrude from the connection end face (3) by utilizing the pistoning phenomenon due to this re-heating curing. This protruding distance is adjusted by controlling either one, or both, of the re-curing temperature and the retention time at that temperature.
摘要翻译：一种光学连接器的制造方法，其可以从套圈的连接端面（3）调节裸光纤（7）的突出长度。在步骤（a）中，通过套管（1）的光纤连接孔（4）插入光纤芯线（5），将裸光纤（7）和套圈（1）加热到第一固化温度以固化热固性粘合剂（11）。在下一步骤（b）中，连接端面（3）被抛光以使端面与裸光纤（7）的远端面齐平。在下一步骤（c）中，热固性粘合剂（11）在高于第一固化温度的温度下被再次加热固化，并使裸光纤（7）的远端从连接端面 3）利用这种再加热固化的活塞现象。通过控制再固化温度和在该温度下的保留时间来调节该突出距离。

3. 发明申请

WO1998016858A1 FERRULE COMPONENT OF OPTICAL CONNECTOR AND METHOD OF MANUFACTURING OPTICAL CONNECTOR USING THE COMPONENT 审中-公开
标题翻译：光学连接器的光学部件和使用组件制造光学连接器的方法
公开(公告)号：WO1998016858A1
公开(公告)日：1998-04-23
申请号：PCT/JP1997003690
申请日：1997-10-14
申请人： THE FURUKAWA ELECTRIC CO., LTD. , NIPPON TELEGRAPH AND TELEPHONE CORPORATION , SHIMOJI, Naoko , YAMAKAWA, Jun , KANAI, Ken , NAGASAWA, Shinji
发明人： THE FURUKAWA ELECTRIC CO., LTD. , NIPPON TELEGRAPH AND TELEPHONE CORPORATION
IPC分类号： G02B06/36
CPC分类号： G02B6/3861 , G02B6/3822 , G02B6/3833 , G02B6/3834 , G02B6/3847 , G02B6/3863 , G02B6/3865
摘要： A ferrule component of an optical connector which is produced efficiently because of the short polishing time and whose reliability of connection is improved. The front end face (2) of the ferrule component (1) is constituted by a flat surface (16) which is vertical to the center axis of an optical fiber insertion hole (3) and a slope surface (15). A step (17) is formed at the upper end of the slope surface (15) and the flat surface (16) protrudes forward by the distance of the step (17) from the slope surface (15). The optical fiber insertion hole (3) is open to the slope surface (16) and pin fitting holes (4) for connector connection are disposed on both sides of this optical fiber insertion hole (3).
摘要翻译：光连接器的套圈部件由于抛光时间短且连接可靠性提高而高效率地制造。套圈部件（1）的前端面（2）由与光纤插入孔（3）的中心轴垂直的平面（16）和倾斜面（15）构成。在斜面（15）的上端形成台阶（17），平面（16）从台阶（17）的距离斜面（15）向前方突出。光纤插入孔（3）向斜面（16）开口，在该光纤插入孔（3）的两侧配置有用于连接器连接的销嵌合孔（4）。

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