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    • 5. 发明授权
    • Apparatus for preventing deflection of substrate tube
    • 用于防止衬底管偏转的装置
    • US07302814B2
    • 2007-12-04
    • US10494625
    • 2003-03-24
    • Chul Min KimWeon Bae KimSang Joon BaeWon Ki Park
    • Chul Min KimWeon Bae KimSang Joon BaeWon Ki Park
    • C03B37/07
    • C03B37/01884C03B37/01815C03B2207/70
    • An apparatus for producing an optical fiber preform to perform the deposition process by modified chemical vapor deposition. The Apparatus comprises a main heat source location sensor (800) for detecting the location of a main heat source for heating a substrate tube 100, an additional supporting device control part (1000) wiredly or wirelessly connected to the main heat source location sensor (800), and an additional supporting device (1100) wiredly or wirelessly connected to the additional supporting device control part (1000) for supporting the substrate tube (100). The present invention reduces the effective length of the substrate tube (100) by additionally supporting the substrate tube (100), thereby minimizing the deflection of the substrate tube (100). Particularly, it is possible to considerably reduce the deflection of the substrate tube at its initial part and thus to achieve a high deposition efficiency. Accordingly, it is possible to mass-produce an optical fiber preform of high quality.
    • 一种用于制造光纤预型件以通过改进的化学气相沉积来进行沉积工艺的设备。 该装置包括用于检测用于加热基材管100的主热源的位置的主热源位置传感器(800),与主热源位置传感器(800)有线或无线连接的附加支撑装置控制部(1000) )以及用于支撑衬底管(100)的附加支撑装置控制部分(1000)有线或无线连接的附加支撑装置(1100)。 本发明通过额外地支撑衬底管(100)来减小衬底管(100)的有效长度,从而最小化衬底管(100)的挠曲。 特别地,可以显着地减少基板在其初始部分的挠曲,从而达到高的沉积效率。 因此,可以大量生产高质量的光纤预制件。
    • 6. 发明申请
    • Method and apparatus for measuring a pitch of stranded cable
    • 用于测量绞合电缆间距的方法和装置
    • US20050002036A1
    • 2005-01-06
    • US10859502
    • 2004-06-01
    • Sang-Joon BaeYoung-Gyu Yaung
    • Sang-Joon BaeYoung-Gyu Yaung
    • G01B11/02G01N21/952G01N21/84
    • G01N21/952
    • Disclosed is a method for measuring a pitch of a stranded cable which includes the steps of (A) manufacturing a stranded cable by stranding at least two wires; (B) irradiating a parallel ray on one side of the stranded cable moving at a regular velocity, and receiving the parallel ray at the opposed side of the stranded cable; and (C) determining a stranded cycle of the cable on the basis of a light-receiving quantity pattern on the opposed side corresponding to a stranded pattern of the cable, and then measuring a stranded pitch of the cable by calculating a moved distance of the cable during the stranded cycle. This method enables to measure a pitch of a spirally stranded cable in real time at a low cost.
    • 公开了一种用于测量绞合电缆的间距的方法,包括以下步骤:(A)通过绞合至少两条电线制造绞合的电缆; (B)以规则的速度照射在绞线的一侧上的平行射线,并且在绞合电缆的相对侧接收平行射线; 以及(C)基于与电缆的绞合图案对应的相对侧上的光接收量图案来确定电缆的绞合周期,然后通过计算电缆的移动距离来测量电缆的绞合间距 电缆在搁置循环期间。 该方法能够以低成本实时地测量螺旋绞合电缆的间距。
    • 7. 发明授权
    • Optical fiber drawing furnace with gas flow tubes
    • 光纤拉丝炉采用气流管
    • US07823419B2
    • 2010-11-02
    • US12365057
    • 2009-02-03
    • Sang-Joon BaeYoung-Il KwonJoon-Keun LeeChul-Min KimMyung-Ho Jang
    • Sang-Joon BaeYoung-Il KwonJoon-Keun LeeChul-Min KimMyung-Ho Jang
    • C03B37/029
    • C03B37/029C03B2203/36C03B2205/81C03B2205/83C03B2205/90C03B2205/96C03B2205/98
    • A furnace for drawing an optical fiber includes a body having an upper and lower openings for supplying a preform and discharging a drawn optical fiber, a heating unit installed in the body for receiving and melting the preform, an atmosphere blocking tube installed to the lower opening for discharging the drawn optical fiber and blocking the optical fiber from the atmosphere, an upper introduction port formed at an upper portion of the body for introducing an inert gas toward the preform and partially discharged outside through a gap between the preform and the upper opening, a central and lower introduction ports formed at central and lower portions for introducing an inert gas into the body, a first flow guiding means for guiding the inert gas introduced through the central introduction port upward and then flowed down along a surface of the preform, and a second flow guiding means for guiding the inert gas introduced through the lower introduction port upward and then discharged outside through the atmosphere blocking tube along a surface of the drawn optical fiber.
    • 用于拉制光纤的炉包括具有用于供应预成型件和排出拉制的光纤的上开口和下开口的主体,安装在本体中用于接收和熔化预成型件的加热单元,安装到下开口的气氛阻挡管 为了排出拉制的光纤并将光纤从大气中阻挡,形成在主体的上部的上部引入口用于向预成型件引入惰性气体,并通过预成型件和上部开口之间的间隙部分地排出外部, 形成在中部和下部的用于将惰性气体引入体内的中心和下部引入口,用于引导通过中心引入口引入的惰性气体沿着预成型件的表面向下流动的第一流动引导装置,以及 用于引导通过下引入口引入的惰性气体然后排出的第二流引导装置 沿着拉制的光纤的表面通过气氛阻挡管。
    • 8. 发明申请
    • Furnace for Drawing Optical Fiber Preform to Make Optical Fiber and Method for Drawing Optical Fiber Using the Same
    • 用于绘制光纤预制件的制造光纤的炉和使用其制造光纤的方法
    • US20090145169A1
    • 2009-06-11
    • US12365057
    • 2009-02-03
    • Sang-Joon BaeYoung-II KwonJoon-Keun LeeChul-Min KimMyung-Ho Jang
    • Sang-Joon BaeYoung-II KwonJoon-Keun LeeChul-Min KimMyung-Ho Jang
    • C03B37/02C03B37/012C03B5/00
    • C03B37/029C03B2203/36C03B2205/81C03B2205/83C03B2205/90C03B2205/96C03B2205/98
    • A furnace for drawing an optical fiber includes a body having an upper and lower openings for supplying a preform and discharging a drawn optical fiber, a heating unit installed in the body for receiving and melting the preform, an atmosphere blocking tube installed to the lower opening for discharging the drawn optical fiber and blocking the optical fiber from the atmosphere, an upper introduction port formed at an upper portion of the body for introducing an inert gas toward the preform and partially discharged outside through a gap between the preform and the upper opening, a central and lower introduction ports formed at central and lower portions for introducing an inert gas into the body, a first flow guiding means for guiding the inert gas introduced through the central introduction port upward and then flowed down along a surface of the preform, and a second flow guiding means for guiding the inert gas introduced through the lower introduction port upward and then discharged outside through the atmosphere blocking tube along a surface of the drawn optical fiber.
    • 用于拉制光纤的炉包括具有用于供应预成型件和排出拉制的光纤的上开口和下开口的主体,安装在本体中用于接收和熔化预成型件的加热单元,安装到下开口的气氛阻挡管 为了排出拉制的光纤并将光纤从大气中阻挡,形成在主体的上部的上部引入口用于向预成型件引入惰性气体,并通过预成型件和上部开口之间的间隙部分地排出外部, 形成在中部和下部的用于将惰性气体引入体内的中心和下部引入口,用于引导通过中心引入口引入的惰性气体沿着预成型件的表面向下流动的第一流动引导装置,以及 用于引导通过下引入口引入的惰性气体然后排出的第二流引导装置 沿着拉制的光纤的表面通过气氛阻挡管。