专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2005181414A Method for manufacturing optical fiber 审中-公开
标题翻译：制造光纤的方法
公开(公告)号：JP2005181414A
公开(公告)日：2005-07-07
申请号：JP2003418251
申请日：2003-12-16
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： NISHIO TOMOYUKI , MURAKAMI KAZUYA , TAN KOTARO
IPC分类号： G02B6/00 , C03B37/014 , C03C25/00
CPC分类号： C03B2201/22 , C03B2203/23
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical fiber which has excellent fiber characteristics and long-term reliability as a single-mode optical fiber and which can be manufactured at low cost. SOLUTION: The method for manufacturing an optical fiber having a core 21 and a clad part composed of a first clad 22 in the inner layer side and a second clad 23 in the outer layer side, both surrounding the core 21 includes steps of: forming an optical fiber preform while controlling the relative index difference Δ 12 % of the first clad 22 with respect to the second clad 23 to be in the range of -0.1≤Δ 12 COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种光纤的制造方法，其具有优异的纤维特性和作为单模光纤的长期可靠性，并且可以以低成本制造。解决方案：包括芯21和由内层侧的第一包层22和外层侧的第二包层23构成的包含芯21的光纤的方法，包括芯21包括以下步骤：：将第一包层22相对于第二包层23的相对折射率差ΔSSB> 12 的百分比形成在-0.1≤ΔS12 / SB> <0; 将预成型件拉制成光纤; 并将所获得的光纤保持在重氢气氛中一段预定的时间。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2004002117A Manufacture method of preform for optical fibers 审中-公开
公开(公告)号：JP2004002117A
公开(公告)日：2004-01-08
申请号：JP2002160923
申请日：2002-06-03
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： SHIROSAWA TATSUYA , NISHIO TOMOYUKI
IPC分类号： G02B6/00 , C03B37/014 , C03B37/018
CPC分类号： C03B37/01406
摘要： PROBLEM TO BE SOLVED: To provide a manufacture method of a preform for optical fibers in which the speed variation of soot preform drawing is less and the specific refractivity difference of the glass preform obtained by transperentization of the soot preform is to be constant. SOLUTION: The soot preform is manufactured so that the diameter ratio d/D is to be 0.55 or less where the inside diameter of a reaction vessel is denoted as D and the outside diameter of the preform for optical fibers is denoted as d. COPYRIGHT: (C)2004,JPO

3. 发明专利

JP2008164795A Optical connector 有权
标题翻译：光学连接器
公开(公告)号：JP2008164795A
公开(公告)日：2008-07-17
申请号：JP2006352553
申请日：2006-12-27
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： SUZUKI KANAKO , KATO YOSHIHISA , SHIINA NORIBUMI , OSONO KAZUMASA , NISHIO TOMOYUKI
IPC分类号： G02B6/36 , G02B6/38
CPC分类号： G02B6/3846 , G02B6/255 , G02B6/382
摘要： PROBLEM TO BE SOLVED: To provide an optical connector that suppresses an increase in transmission loss in a connection part, even if connecting holey fibers and that has small change over time in return loss.
SOLUTION: The optical connector 1 is equipped with a ferrule 3 and a V groove substrate 5 connected to the ferrule 3 and is designed to butt-connect one optical fiber 11 to the other optical fiber 51 in the V groove 8 on the V groove substrate 5, wherein the other optical fiber 51 is connected through a cross-linking-hardening refractive index matching agent r provided on the end face of the one optical fiber 11, and spaces 9, 9 for making the stress imposed on the cross-linking-hardening refractive index matching agent r are provided in the V groove 8 relax.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使连接多孔纤维并且在回波损耗中随时间变化小的方式提供抑制连接部分中的传输损耗增加的光连接器。解决方案：光连接器1配备有与套圈3连接的套圈3和V槽基板5，并被设计成将一根光纤11与V槽8中的另一根光纤51对接 V槽基板5，其中，另一个光纤51通过设置在一个光纤11的端面上的交联硬化折射率匹配剂r和用于施加在十字形上的应力的空间9,9连接连接硬化型折射率匹配剂r设置在V形槽8中。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007204329A Manufacturing method of optical glass preform 审中-公开
标题翻译：光学玻璃预制件的制造方法
公开(公告)号：JP2007204329A
公开(公告)日：2007-08-16
申请号：JP2006026859
申请日：2006-02-03
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： NISHIO TOMOYUKI , IKEDA YUICHI , MATSUZAKI KENSHO
IPC分类号： C03B37/018
CPC分类号： C03B37/01406 , C03B37/0144
摘要： PROBLEM TO BE SOLVED: To provide a method for stably manufacturing an optical preform with reduced bubbles in a long term.
SOLUTION: The manufacturing method of an optical preform comprises spraying glass fine particles on a core material 3 in a chamber 1 by an oxygen-hydrogen burner 2 to grow a porous suit layer 6. From above the chamber 1, air is supplied into the chamber 1 and discharged from the bottom of the chamber 1 to the outside of the chamber 1, and the oxygen-hydrogen burner 2 is made to approach from above the core material 3 to the core material 3.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种长期稳定地制造具有减小的气泡的光学预成型体的方法。光学预型件的制造方法包括通过氧 - 氢燃烧器2将玻璃细颗粒喷涂在室1中的芯材3上，以生长多孔套层6.从室1的上方供应空气进入室1并从室1的底部排出到室1的外部，并且使氧 - 氢燃烧器2从核心材料3的上方接近芯材3。版权所有（（ C）2007，JPO＆INPIT

5. 发明专利

JP2008070545A Mechanical splice 有权
标题翻译：机械系
公开(公告)号：JP2008070545A
公开(公告)日：2008-03-27
申请号：JP2006248263
申请日：2006-09-13
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： NAMEKAWA YOSHIKAZU , NAKATANI YOSHIHIRO , OSONO KAZUMASA , NISHIO TOMOYUKI , KATO YOSHIHISA , SUZUKI KANAKO
IPC分类号： G02B6/24
摘要： PROBLEM TO BE SOLVED: To provide a mechanical splice to be used for splicing of holey fibers.
SOLUTION: The mechanical splice 1 includes: a V groove substrate 6 that has a V groove 10 for holding and aligning optical fibers 4h, 5 to be spliced by butting them against each other; a pressing substrate 7 that presses the optical fibers 4h, 5 held on the V groove 10; and a clamp spring 8 for clamping the optical fibers 4h, 5 by holding the V groove substrate 6 and the holding substrate 7. In this mechanical splice 1, an optical waveguide member 2 with a hardenable refractive index matching material 3 deposited on one end or both end faces is incorporated in the V groove 10 of the V groove substrate 6.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供用于多孔纤维的拼接的机械接头。解决方案：机械接头1包括：V槽基板6，其具有V槽10，用于保持和对准通过将它们彼此接合而被接合的光纤4h，5; 压入保持在V槽10上的光纤4h，5的按压基板7; 以及用于通过保持V槽基板6和保持基板7来夹持光纤4h，5的夹紧弹簧8。在该机械接头1中，具有在一端上沉积的具有可硬化折射率匹配材料3的光波导部件2 两个端面被并入V槽基板6的V形槽10中。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007279443A Optical terminator 有权
标题翻译：光学终端机
公开(公告)号：JP2007279443A
公开(公告)日：2007-10-25
申请号：JP2006106582
申请日：2006-04-07
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： TACHIKURA MASAO , OSONO KAZUMASA , NISHIO TOMOYUKI , KATO YOSHIHISA , SUZUKI KANAKO , NAMEKAWA YOSHIKAZU , HORIE MAKOTO , NAKATANI YOSHIHIRO
IPC分类号： G02B6/24
摘要： PROBLEM TO BE SOLVED: To provide an optical terminator having an extremely simple structure, a superior reflection preventing characteristic, and a low price. SOLUTION: An end face mounting member 3 is composed of an adhesive having nearly the same refractive index as that of an optical fiber core 12. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有非常简单的结构，优异的防反射特性和低价格的光学终端器。解决方案：端面安装构件3由具有与光纤芯12的折射率几乎相同的折射率的粘合剂构成。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2006240930A Optical fiber drawing furnace and method of drawing optical fiber 有权
标题翻译：光纤绘图炉和绘制光纤的方法
公开(公告)号：JP2006240930A
公开(公告)日：2006-09-14
申请号：JP2005060385
申请日：2005-03-04
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： SHIROSAWA TATSUYA , NISHIO TOMOYUKI , KUROSAWA YOSHINORI
IPC分类号： C03B37/029 , G02B6/00
CPC分类号： C03B37/029 , C03B2205/82 , C03B2205/83
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber preform, optical fiber, furnace tube and an optical fiber drawing furnace free from the deposition of dust on an exhaust path. SOLUTION: The optical fiber drawing furnace 10 is used for drawing the optical fiber preform P heated and melted in a core 13 while purging the inside of the core 13 with inert gases G1, G2 and is provided with the furnace tube 11 forming the core 13, an inner furnace tube 12 provided in the lower part of the furnace tube 11 and an exhaust path-forming member 20 provided to close the gap between the furnace tube 11 and the inner furnace tube 12 and composed of a heat insulating material. The exhaust path-forming member 20 has the exhaust path 23 for exhausting the inert gases G1, G2 after purging the inside of the core 13 to the outside. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种光纤预制棒，光纤，炉管和光纤拉丝炉，不会在排气路径上沉积灰尘。解决方案：光纤拉丝炉10用于拉伸在芯13中加热和熔化的光纤预制棒P，同时用惰性气体G1，G2清洗芯13的内部，并且设置有形成芯13，设置在炉管11的下部的内炉管12和排气路形成构件20，其设置成封闭炉管11和内炉管12之间的间隙，并由绝热材料。排气路径形成构件20具有用于在将芯13的内部清除到外部之后排出惰性气体G1，G2的排气路径23。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005250022A Plastic holey fiber and its manufacturing method 有权
标题翻译：塑料孔纤维及其制造方法
公开(公告)号：JP2005250022A
公开(公告)日：2005-09-15
申请号：JP2004059120
申请日：2004-03-03
申请人： Hitachi Cable Ltd , Masataka Nakazawa , 正隆中沢 , 日立電線株式会社
发明人： NAKAZAWA MASATAKA , NISHIO TOMOYUKI , OSONO KAZUMASA
IPC分类号： G02B6/00 , G02B6/032 , G02B6/20
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive holey fiber having excellent PMD (polarization mode dispersion) characteristics. SOLUTION: In a plastic holey fiber 1 having a core 2, a clad 3 surrounding the periphery of the core 2, and a plurality of holes 4 penetrating the clad 3 near the core 2 in the axial direction of the core 2, the plurality of holes 4 are formed in a helical state around the axis of the core 2. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的PMD（偏振模色散）特性的便宜的多孔光纤。解决方案：在具有芯2的塑料多孔纤维1，围绕芯2的周边的包层3以及在芯2的轴向方向上穿过芯2附近的包层3的多个孔4，多个孔4围绕芯2的轴线以螺旋状形成。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2003081642A Manufacturing method and manufacturing apparatus for glass preform 审中-公开
标题翻译：玻璃预制件的制造方法和制造设备
公开(公告)号：JP2003081642A
公开(公告)日：2003-03-19
申请号：JP2001269033
申请日：2001-09-05
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： NISHIO TOMOYUKI
IPC分类号： G02B6/00 , C03B8/04 , C03B37/014
CPC分类号： C03B37/01446 , C03B37/0146
摘要： PROBLEM TO BE SOLVED: To perform dewatering and a heat treatment for transparent glass formation without giving rise to a fluctuation in the external diameter of a glass preform in its longitudinal direction. SOLUTION: The method of manufacturing the glass preform to form the dense transparent glass preform of high purity by subjecting the porous glass preform 2 in a heating furnace 8 while hanging the porous glass preform in a furnace tube 3 and downwardly moving the glass preform under rotation, in which a front end position 14 of the transparent glass preform 12 after the heat treatment is detected on an outlet side below the heating furnace 8 and the front end moving speed of the transparent glass preform 12 is calculated in accordance with this front end position 14, then the output of the heating furnace 8 is so regulated as to eliminate the deviation component between this front end moving speed and the preset feed speed of the transparent glass preform 12.
摘要翻译：要解决的问题：为了进行透明玻璃的脱水和热处理而不会引起玻璃预成型件在其纵向上的外径的波动。解决方案：制造玻璃预成型件以通过将多孔玻璃预制件2放置在加热炉8中同时将多孔玻璃预制件悬挂在炉管3中并向下移动玻璃预成型件旋转的方法来制造玻璃预成型件以形成高纯度的致密透明玻璃预制件其中，在加热炉8的出口侧检测到热处理后的透明玻璃预成型体12的前端位置14，并根据该前端位置计算出透明玻璃预成型体12的前端移动速度如图14所示，加热炉8的输出被调整为消除了该前端移动速度与透明玻璃预制件12的预设进给速度之间的偏差分量。

10. 发明专利

JP2005084202A Plastic holey fiber and method of manufacturing the same 有权
标题翻译：塑料孔纤维及其制造方法
公开(公告)号：JP2005084202A
公开(公告)日：2005-03-31
申请号：JP2003313982
申请日：2003-09-05
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： NISHIO TOMOYUKI , OSONO KAZUMASA
IPC分类号： G02B6/00
摘要： PROBLEM TO BE SOLVED: To provide a plastic holey fiber which is compatible with a various using conditions of optical fibers and to provide a method of manufacturing the plastic holey fiber. SOLUTION: A plurality of holes 13 having different diameters are formed in the plastic holey fiber 10 having holes 13 extending in a longitudinal direction in a clad 12 located near a core 11. COPYRIGHT: (C)2005,JPO&NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式