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1. 发明专利

JP2004354660A Optical fiber for guiding ultraviolet light, method of manufacturing the same, and bundle light guide furnished with the same 有权
公开(公告)号：JP2004354660A
公开(公告)日：2004-12-16
申请号：JP2003151838
申请日：2003-05-29
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： FUNABASHI TETSUJI , SUGIHARA MASAHISA , TAKAI SHINJI , IMAMURA KAZUO , BABA TOSHIYUKI
IPC分类号： G02B6/04 , G02B6/00 , G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber for guiding ultraviolet light in which the deterioration of optical characteristic due to ultraviolet light of far-ultraviolet region is suppressed. SOLUTION: The optical fiber 10 for guiding ultraviolet light is provided with a core 11 and a clad 12 which is so furnished to cover the core 11. the core 11 is formed with quartz including hydrogen molecules so that the ratio of the intensity of Raman spectrum of 4,135 cm -1 to that of 800 cm -1 is 1.0×10 -4 or larger. COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2003054979A Method for manufacturing optical fiber for ultraviolet transmission 有权
标题翻译：制造用于超紫外线传输的光纤的方法
公开(公告)号：JP2003054979A
公开(公告)日：2003-02-26
申请号：JP2001248283
申请日：2001-08-17
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： SUGIHARA MASAHISA , IMAMURA KAZUO , FUNABASHI TETSUJI , SATAKE TAKESHI , NISHIOKI TATSUYA , HATTORI KUNIHIRO , SEMIMOTO KENZO , HAYASHI TOKUJI
IPC分类号： G02B6/00 , C03B37/027 , C03B37/10
CPC分类号： C03B37/02727 , C03B2205/55 , C03B2205/56
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical fiber for UV transmission which largely suppresses the progress of deterioration due to UV. SOLUTION: A quartz-base optical fiber preform 1 formed in such a way as to impart UV resistance is heated and drawn to an optical fiber body 2 (drawing step A) and the optical fiber body 2 after drawing is heated at a heating temperature between room temperature and the drawing temperature (heating step B) so that the temperature drop of the optical fiber body 2 is made slower than a temperature drop due to spontaneous cooling at room temperature to obtain the objective optical fiber F for UV transmission.
摘要翻译：要解决的问题：提供一种用于制造用于UV传输的光纤的方法，其大大抑制由于UV引起的劣化的进行。解决方案：以赋予紫外线的方式形成的石英基光纤预制件1被加热并拉伸到光纤体2（拉伸步骤A），拉伸后的光纤体2在加热温度室温和拉伸温度（加热步骤B），使得光纤体2的温度降低比由于在室温下自发冷却引起的温度降低得到用于UV透射的物镜光纤F。

3. 发明专利

JP2005134457A Optical fiber assembly and optical fiberscope 审中-公开
标题翻译：光纤组件和光纤
公开(公告)号：JP2005134457A
公开(公告)日：2005-05-26
申请号：JP2003367475
申请日：2003-10-28
申请人： Mitsubishi Cable Ind Ltd , Tokyo Electric Power Co Inc:The , 三菱電線工業株式会社 , 東京電力株式会社
发明人： FUNABASHI TETSUJI , HAYAMIZU HIROYUKI , MORI HARUTSUGU , OMORI SHUICHI , FUTAKI SHOICHIRO
IPC分类号： G02B23/26 , A61B1/00 , G02B23/24
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber assembly dispensing with a power supply for rotating a rotating member, capable of freely rotating the rotating member in any direction, and also, capable of stopping the rotating member in a desired position.
SOLUTION: The optical fiber assembly 1 is provided with 1st and 2nd wire materials 6 and 7. The optical fiber assembly 1 is constituted as follows, when the 1st wire material 6 wound around a wire material winding part 16 is drawn by an operating part, the wire material 6 is unwound from the wire winding part 16, and also, the rotating member 9 is rotated in one direction, and also, the 2nd wire material 7 is wound around the wire material winding part 16, and when the 2nd wire material 7 wound around the wire material part 16 is drawn by the operating part, the wire material 7 is unwound from the wire material winding part 16, and also, the rotating member 9 is rotated in the other direction, and also, the rotation of the rotating member 9 is adjusted by winding the 1st wire material 6 around the wire material winding part.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种光纤组件，其分配有用于旋转旋转构件的电源，能够使旋转构件沿任何方向自由旋转，并且还能够将旋转构件停止在期望位置。解决方案：光纤组件1设置有第一和第二线材6和7.当将缠绕在线材绕组部分16上的第一线材6拉伸时，光纤组件1如下构成：操作部分，线材6从线缠绕部分16展开，并且旋转部件9也沿一个方向旋转，并且第二线材7缠绕在线材绕组部分16上，并且当卷绕在线材部16上的第2线材7被操作部牵引，线材7从线材卷绕部16退绕，旋转部件9向另一方向旋转，旋转构件9的旋转通过将第一线材6卷绕在线材卷绕部上而进行调节。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2004198608A Device, reflector, and method for in-tube photography 审中-公开
公开(公告)号：JP2004198608A
公开(公告)日：2004-07-15
申请号：JP2002365227
申请日：2002-12-17
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： FUNABASHI TETSUJI , YAMANO KATSUAKI
IPC分类号： G01N21/84 , G01N21/954 , G02B23/24 , G02B23/26 , H04N5/225
摘要： PROBLEM TO BE SOLVED: To provide an in-tube photographing device capable of photographing a distinctive image.
SOLUTION: The in-tube photographing device is so constituted that lighting units 5 and 7 irradiate a tube 100 to be photographed which has its end made open with illumination light from the outside of the opening end to the inner side of the tube. The inner side of the tube 100 to be photographed which is irradiated with the illumination light is photographed by photographing units 4, 6, and 9 from the outside of the opening end. At this time, the illumination light is reflected to the opening end side by a reflector 13 which is provided more on the tube inner side of the tube to be photographed than areas which can be photographed by the photographing units 4, 6, and 9.
COPYRIGHT: (C)2004,JPO&NCIPI

5. 发明专利

JP2003055004A Optical fiber for transmission of uv ray and method for manufacturing the same 审中-公开
标题翻译：用于传输UV射线的光纤及其制造方法
公开(公告)号：JP2003055004A
公开(公告)日：2003-02-26
申请号：JP2001248284
申请日：2001-08-17
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： IMAMURA KAZUO , SUGIHARA MASAHISA , FUNABASHI TETSUJI , SATAKE TAKESHI , NISHIOKI TATSUYA , HATTORI KUNIHIRO , SEMIMOTO KENZO , HAYASHI TOKUJI
IPC分类号： G02B6/00 , C03C25/10
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber for transmission of UV rays in which proceeding of deterioration by UV rays is highly suppressed and to provide a method for manufacturing the fiber. SOLUTION: The method includes a process of heating a quartz optical fiber preform 1 formed to have resistance against UV rays to draw into an optical fiber 2 (A in the figure) and a process of applying a coating layer 3 on the peripheral surface of the optical fiber 2 (2a of C in the figure) which is cooled at least to room temperature (B in the figure). The coating layer 3 is applied at a temperature higher than the room temperature so as to generate >=10 MPa stress due to the difference in the coefficient of thermal expansion.
摘要翻译：要解决的问题：提供一种用于透射紫外线的光纤，其中通过紫外线的劣化进行得到高度的抑制，并提供一种制造该纤维的方法。解决方案：该方法包括加热形成为具有抗紫外线的石英光纤预制件1以拉入光纤2（图中的A）的方法以及将涂层3涂覆在光纤2的外围表面上的工艺光纤2（图中的C的2a），其被冷却至少至室温（图中的B）。在高于室温的温度下涂覆涂层3，由于热膨胀系数的差异而产生> = 10MPa的应力。

6. 发明专利

JP2003055003A Optical fiber for transmission of uv ray and method for manufacturing the same 审中-公开
标题翻译：用于传输UV射线的光纤及其制造方法
公开(公告)号：JP2003055003A
公开(公告)日：2003-02-26
申请号：JP2001248282
申请日：2001-08-17
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： NISHIOKI TATSUYA , IMAMURA KAZUO , SUGIHARA MASAHISA , FUNABASHI TETSUJI , SATAKE TAKESHI , HATTORI KUNIHIRO , SEMIMOTO KENZO , HAYASHI TOKUJI
IPC分类号： G02B6/00 , C03C25/10
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber for transmission of UV rays in which proceeding of deterioration by UV rays is highly suppressed and to provide a method for manufacturing the fiber. SOLUTION: The method includes a process of heating a quartz optical fiber preform 1 formed to have resistance against UV rays to draw into an optical fiber 2 (process A) and a process of applying a coating layer 3 on the peripheral surface of the optical fiber 2 immediately after drawn (process B) to obtain the optical fiber F for transmission of UV rays. The coating layer 3 can make the temperature decrease of the optical fiber 2 just after drawn slower than that in natural cooling.
摘要翻译：要解决的问题：提供一种用于透射紫外线的光纤，其中通过紫外线的劣化进行得到高度的抑制，并提供一种制造该纤维的方法。解决方案：该方法包括加热形成为具有抗紫外线的石英光纤预制棒1以拉入光纤2（工艺A）的工艺和在光纤的外周表面上涂覆涂层3的工艺（处理B），得到用于透射紫外线的光纤F. 涂层3可以使拉伸后的光纤2的温度下降比自然冷却慢。

7. 发明专利

JPH1078514A OPTICAL FIBER ARRAY AND OPTICAL WAVEGUIDE MODULE 失效
公开(公告)号：JPH1078514A
公开(公告)日：1998-03-24
申请号：JP23453796
申请日：1996-09-04
申请人： MITSUBISHI CABLE IND LTD
发明人： IKUNISHI SHIYOUGO , FUNABASHI TETSUJI , TERASAWA KAZUHIKO
IPC分类号： G02B6/42 , G02B6/08 , G02B6/122 , G02B6/30
摘要： PROBLEM TO BE SOLVED: To make it possible to reduce the size over the entire part without decreasing the number of branching of an optical waveguide module by setting the spacing between the optical waveguides on one end side larger than the spacing between the optical waveguides on the other end side. SOLUTION: An optical fiber array 10 is held between a pair of substrates 2 in the state of curving the central parts of respective optical fibers 1 in such a manner that the spacings between the optical fibers (optical waveguides) 1 on the one end side and the spacings between the optical fibers (optical waveguides) 1 on the other end side vary from each other. The branch type optical waveguides 11 of the optical waveguide module formed by combining such optical fiber array 10 an the branch type optical waveguides 11 are merely necessitated to widen the spacings between the optical waveguides so as to correspond to the respective optical fibers 1 on the side where the spacings between the optical fibers 1 are narrow in the optical fiber array 10. Then, the length and width over the entire part of the branch type optical waveguides 11 may be reduced.

8. 发明专利

JP2001190568A LASER PROBE AND LASER DEVICE USING THE SAME 失效
公开(公告)号：JP2001190568A
公开(公告)日：2001-07-17
申请号：JP2000007352
申请日：2000-01-17
申请人： MITSUBISHI CABLE IND LTD
发明人： FUNABASHI TETSUJI , KIMURA YUKITSUGU , SATAKE TAKESHI , KINOSHITA HIROAKI
IPC分类号： A61C3/02 , A61N5/06 , G02B6/24 , G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide a safety and tough laser probe and a laser device using the same, capable of solving problems in a conventional laser probe that a length of a metallic protective tube can not be adjusted, which disables the metallic protective tube from coping with the shortening of an optical fiber caused by its repair, and the leakage of the laser beam can not be prevented in rupture of the optical fiber, that is, the laser beam leaks when the optical fiber is broken during the transmission of the laser beam, which has the possibility of harming a human body and an article. SOLUTION: A laser probe is provided with a housing case 6, and a slack part 2" of an optical fiber 2 is housed in the case 6. Whereby the repair work in accompany with the shortening of the optical fiber can be executed in a state that metallic protective tubes 4, 5 are mounted. The laser beam leaked in rupture of the optical fiber is shielded by the metallic protective tubes, whereby achieving the prevention of leakage.

9. 发明专利

JPH10142458A OPTICAL FIBER ARRAY 失效
公开(公告)号：JPH10142458A
公开(公告)日：1998-05-29
申请号：JP29602496
申请日：1996-11-08
申请人： MITSUBISHI CABLE IND LTD
发明人： IKUNISHI SHIYOUGO , FUNABASHI TETSUJI , TERASAWA KAZUHIKO
IPC分类号： G02B6/30 , G02B6/32 , G02B6/42
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber array which attains miniturization as a compact structure, and simultaneously, has a construction in which a light beam is made to be effectively incidentable and emittable. SOLUTION: The optical fiber array 1a is formed by embedding and fixing two lens fibers 6, 6 to a base 5 made of a glass block thereby forming the optical fiber array, and the base is connected to an incidence end 30 of a light guide 3a. Respective lens fibers are formed of single mode optical fibers 7, rod lenses 8 formed by cutting the multimode optical fibers and glass rods 9 which are interposed therebetween to match both numerical apertures. The rod lens sides of both lens fibers are coupled to a LD2a and is coupled to the waveguides 35, 36 by making respective single mode optical fiber sides narrower than the rod lens sides to enhance the integrating degree of the optical waveguide. Both waveguides are provided with approaching parts 37 to change an outlet in accordance with the wavelength.

10. 发明专利

JPH10142436A OPTICAL WAVEGUIDE STRUCTURE AND ITS PRODUCTION 失效
公开(公告)号：JPH10142436A
公开(公告)日：1998-05-29
申请号：JP30297996
申请日：1996-11-14
申请人： MITSUBISHI CABLE IND LTD
发明人： IKUNISHI SHIYOUGO , FUNABASHI TETSUJI , TERASAWA KAZUHIKO
IPC分类号： G02B6/122 , G02B6/13
摘要： PROBLEM TO BE SOLVED: To eliminate the part at the boundary between a quartz substrate and a core layer where the refractive index is small and to lessen the loss of light in the connecting part between the core layer and an optical fiber by forming a clad layer having the specific refractive index to the quartz substrate smaller than the specific refractive index of the core layer between the quartz substrate and the core layer. SOLUTION: The surface of the quartz substrate 1 which is a lower clad is subjected to patterning of a prescribed shape so as to be provided with the core layer 2 which constitutes the optical waveguide. This core layer 2 is embedded into the upper clad 3 deposited from the upper side. The clad layer 4 having the specific refractive index to the quartz substrate 1 smaller than the specific refractive index of the core layer 2 is interposed between the quartz substrate 1 and the core layer 2. The clad layer 4 is formed by doping germanium as, for example, an impurity, into a quartz material and the specific refractive index of the clad layer 4 is preferably below 80% of the specific refractive index of the core layer 2.

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