会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Methods for manufacturing optical fiber preform, and hollow-structured optical fiber, and connector for pressure-impression/reduction
    • 用于制造光纤预制件的方法和中空结构的光纤,以及用于压力/压缩/缩小的连接器
    • JP2012036052A
    • 2012-02-23
    • JP2010179057
    • 2010-08-09
    • Furukawa Electric Co Ltd:TheNippon Telegr & Teleph Corp 古河電気工業株式会社日本電信電話株式会社
    • SHIMOTAKAHARA IWAOINABA HARUMISUGIZAKI RYUICHIMORIHIRA HIDEYASHIMIZU TOMOYAMATSUI TAKASHIGOTO SACHIHIROKURASHIMA TOSHIONAKAJIMA KAZUHIDE
    • C03B37/012C03B37/018
    • C03B37/0122
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical fiber preform for a hollow-structured optical fiber, which can easily up-sizing the optical fiber preform, and can reduce the manufacture cost; and to provide a method for manufacturing a hollow-structured optical fiber, and a connector for pressure-impression/reduction.SOLUTION: The method for manufacturing a hollow-structured optical fiber having a core part and a clad part formed on the outer periphery of the core part and having hollows includes a hollow-forming glass tube preparation step of preparing a hollow-forming glass tube in which hollows to elongate in the longitudinal direction are formed in the circumference of an opening hole, a clad outer circumference formation step of forming a clad outer circumference to become an outer circumference region of a clad part in the circumference of the hollow-forming glass tube, an insertion step of inserting a core glass rod having a region to become a core part inside the hollow-forming glass tube, and an integration step of heating the hollow-forming glass tube in which the core glass rod has been inserted to integrate the core glass rod and the hollow-forming glass tube.
    • 要解决的问题:提供一种用于制造中空结构光纤的光纤预制件的方法,其可以容易地调整光纤预制棒的尺寸,并且可以降低制造成本; 并且提供一种制造中空结构光纤的方法和用于压力/压缩的连接器。 解决方案:用于制造具有芯部和形成在芯部的外周上并具有中空部的包层部的中空结构光纤的方法包括中空成形玻璃管制备步骤,其制备中空成形 玻璃管,其中在纵向方向上延伸的中空部分形成在开孔的圆周中;包层外圆周形成步骤,形成包层外周,成为中空部分的圆周中的包层部分的外周区域; 形成玻璃管的插入步骤,将具有成为芯部的区域的芯玻璃棒插入中空成形玻璃管内部的插入步骤,以及加热其中插入有芯玻璃棒的中空成型玻璃管的整合步骤 将芯玻璃棒和中空​​成型玻璃管整合。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Method and apparatus for manufacturing single mode optical fiber,
    • 制造单模光纤的方法和装置,
    • JP2006335638A
    • 2006-12-14
    • JP2006195898
    • 2006-07-18
    • Furukawa Electric Co Ltd:The古河電気工業株式会社
    • MORIHIRA HIDEYAKURUSU KAZUHIKOINOUE YOSHIHIRO
    • C03B37/027C03B37/014G02B6/00
    • C03B37/02718C03B37/02727C03B2203/24Y02P40/57
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for manufacturing a single mode optical fiber having excellent hydrogen resistance characteristic and high long term reliability. SOLUTION: The method and an apparatus for manufacturing the single mode optical fiber including a glass part formed of a silica-based glass and consisting of a central core and a clad, wherein at least one element selected from the group consisting of Ge and F is added to the glass part, and having about 125 μm outside diameter possesses a step for heating and melting an optical fiber preform, a step for drawing the molten optical fiber preform into an optical fiber and a step for continuously cooling the molten optical fiber preform starting with the meniscus portion in which the diameter is decreased from 90% of the preform diameter to 5% of the preform diameter to the portion where the drawn optical fiber has a temperature of 1,200°C at a cooling rate of 1,000 to 3,000 °C/sec. COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:提供具有优异的耐氢特性和高长期可靠性的单模光纤的制造方法和装置。 解决方案:用于制造单模光纤的方法和装置,包括由二氧化硅基玻璃形成的由中心芯和包层组成的玻璃部分,其中选自Ge中的至少一种元素 F被添加到玻璃部分中,并且具有约125μm的外径具有用于加热和熔化光纤预制件的步骤,将熔融的光纤预制件拉入光纤的步骤和用于连续冷却熔融光学的步骤 纤维预成型件从直径从预制件直径的90%减小到预制件直径的5%的弯月面部分到拉伸光纤的温度为1200℃的部分以1000至3,000的冷却速度开始 °℃/秒。 版权所有(C)2007,JPO&INPIT