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WO2011155606A1 - Appareil permettant de fabriquer une fibre optique comprenant une ferrule - Google Patents

Appareil permettant de fabriquer une fibre optique comprenant une ferrule Download PDF

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Publication number
WO2011155606A1
WO2011155606A1 PCT/JP2011/063395 JP2011063395W WO2011155606A1 WO 2011155606 A1 WO2011155606 A1 WO 2011155606A1 JP 2011063395 W JP2011063395 W JP 2011063395W WO 2011155606 A1 WO2011155606 A1 WO 2011155606A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical fiber
ferrule
adhesive
clamp
tip
Prior art date
Application number
PCT/JP2011/063395
Other languages
English (en)
Japanese (ja)
Inventor
照武 小林
邦彦 藤原
Original Assignee
株式会社フジクラ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社フジクラ filed Critical 株式会社フジクラ
Priority to JP2012519438A priority Critical patent/JP5291833B2/ja
Publication of WO2011155606A1 publication Critical patent/WO2011155606A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
    • G02B6/3861—Adhesive bonding

Definitions

  • the present invention relates to a ferrule-equipped optical fiber production apparatus for producing an optical fiber with a ferrule by attaching a ferrule made of a transparent resin having an adhesive-filled recess for projecting an optical fiber tip from an inner surface thereof to the optical fiber.
  • the present invention relates to an optical fiber manufacturing apparatus with a ferrule that enables an optical fiber to be bonded and fixed in a state where its front end surface is correctly pressed against the front wall surface of the adhesive filling recess.
  • the outer surface of the transparent resin ferrule is inclined with respect to the longitudinal direction of the optical fiber hole.
  • an optical connector that forms an inclined surface and uses the inclined surface as an internal reflection surface for optical path conversion (see Patent Document 1 below).
  • an optical connector that changes the optical path by internal reflection, it has an optical fiber hole that does not penetrate to the outside, but the tip of the optical fiber is positioned near the internal reflection surface of the ferrule so that the position of the tip surface of the optical fiber is accurately positioned. It is appropriate to abut against the wall surface of the internal space formed on (wall surface having an angle with respect to the internal reflection surface). In this case, an adhesive filling recess is formed in the vicinity of the internal reflection surface, the tip of the optical fiber hole is opened in this adhesive filling recess, and the optical fiber is abutted against the front wall surface of the adhesive filling recess. Is appropriate.
  • the optical connector has a ferrule made of transparent resin, and its tip surface is abutted with the tip surface of another optical connector, so that the optical fiber built in the other optical connector and the optical fiber built in itself are separated.
  • optical connectors that are arranged on substantially the same straight line and optically connect.
  • This optical connector also has an optical fiber hole that does not penetrate to the outside, and the adhesive formed on the tip of the optical fiber in the vicinity of the tip of the ferrule so that the tip of the optical fiber is positioned accurately It is appropriate to abut against the front wall of the filling recess.
  • the adhesive in the state where the optical fiber is abutted against the front wall surface of the adhesive filling recess and filled with the adhesive, for example, if it is a thermosetting adhesive, the adhesive is cured by heating.
  • a special apparatus in the process of such adhesive heat curing, a special apparatus is not considered, simply heating the optical fiber after abutting against the front wall surface of the adhesive filling recess.
  • the front end of the optical fiber is abutted against the front wall surface of the adhesive-filled recess, and once the position of the front end surface of the optical fiber is accurately positioned, the subsequent operation or the adhesive is cured.
  • the tip surface of the optical fiber may be separated from the front wall surface of the adhesive-filled recess, or the tip of the optical fiber may move on the front wall surface (move along the front wall surface). If the tip surface of the optical fiber moves away from the front wall surface of the adhesive-filled recess, or the optical fiber tip position deviates from the ideal position on the front wall surface, the optical fiber tip surface position deviates from the set position, and the optical fiber Optical loss in optical connection with the optical element increases.
  • the present invention has been made based on the above background, and can be bonded and fixed in a state where the optical fiber is correctly pressed against the front wall surface of the adhesive filling recess of the transparent ferrule.
  • a ferrule capable of accurately positioning in the longitudinal direction of the fiber and preventing displacement on the front wall surface of the optical fiber tip position (displacement in the direction along the front wall surface), and preventing light loss due to positional displacement of the optical fiber tip surface
  • An object of the present invention is to provide an attached optical fiber manufacturing apparatus.
  • An optical fiber manufacturing apparatus with a ferrule is provided in the adhesive filling recess of a transparent resin ferrule having an adhesive filling recess that protrudes the inner end of an optical fiber positioned by a positioning portion.
  • the adhesive is cured by the adhesive curing unit in a state where the adhesive is filled and the optical fiber is positioned by the positioning unit and the tip is pressed against the front wall surface of the adhesive filling recess.
  • Ferrule for mounting the ferrule in an uncured optical fiber with a ferrule in an applied state A placement portion; a stopper that stops the ferrule from moving forward; an optical fiber holding portion that holds the optical fiber; and an adhesive curing portion that cures the adhesive filled in the ferrule placed on the ferrule placement portion;
  • the optical fiber holding portion includes: an optical fiber clamp that is slidable in a longitudinal direction of the optical fiber in a state in which the optical fiber is clamped; a biasing portion that biases the optical fiber clamp forward; A lock portion that locks the optical fiber clamp in a position retracted against the reaction force of the biasing portion.
  • the optical fiber clamp can be opened and closed by a clamp body on which the optical fiber is mounted and slidable in the longitudinal direction of the optical fiber, and a hinge on the clamp body.
  • a structure provided with a lid that is attached and clamps the optical fiber may be adopted.
  • the ferrule-equipped optical fiber manufacturing apparatus employs a configuration in which the adhesive is a thermosetting adhesive, and the adhesive curing portion is a hot plate that also serves as the ferrule placement portion. May be.
  • the optical fiber clamp is retracted against the reaction force of the urging portion and locked in the retracted position.
  • the ferrule of the optical fiber with a ferrule that is not cured of the adhesive is placed on the ferrule mounting portion, and the optical fiber is clamped and held by an optical fiber clamp.
  • the optical fiber clamp locked in the retracted position is released, the optical fiber clamp is urged by the force of the spring and moves forward with the optical fiber clamped, and the tip of the optical fiber is in contact with the adhesive filling recess of the ferrule. It hits the front wall of the place.
  • the optical fiber is kept pressed against the front wall surface of the adhesive filling recess by the force of the spring. Therefore, it is possible to prevent the front end surface of the optical fiber from being separated from the front wall surface of the adhesive-filled recess in the subsequent operation or in the process in which the adhesive is cured and contracted. Moreover, since the tip position of the optical fiber is anchored to the wall surface by being pressed against the wall surface, it is possible to prevent displacement on the front wall surface (shift in the direction along the front wall surface). In this way, the optical fiber is bonded and fixed correctly while being pressed against the front wall surface of the adhesive-filled recess.
  • FIG. 4 is a plan view of FIG. 3. It is the figure which removed the optical fiber clamp about the right side part of FIG. It is a principal part enlarged view of FIG.
  • FIG. 7 is a cross-sectional view taken along line AA in the main part of FIG. 6.
  • FIG. 4 is a cross-sectional view illustrating a state in which a principal part of FIG. 3 is enlarged and an optical fiber 4 ′ with an uncured ferrule is set.
  • FIG. 10 is a plan view of FIG. 9. It is sectional drawing of another optical fiber with a ferrule made into object with the optical fiber manufacturing apparatus with a ferrule which concerns on the said embodiment.
  • FIG. 1 is a side view showing in cross section the main part of an optical fiber manufacturing apparatus 1 with a ferrule according to an embodiment of the present invention.
  • FIG. 2 is a plan view of FIG.
  • FIG. 3 is an enlarged view of a cross-sectional portion of FIG.
  • FIG. 4 is a plan view of FIG.
  • This ferrule-equipped optical fiber manufacturing apparatus 1 is an apparatus for obtaining an optical fiber 4 with a ferrule in which a ferrule 3 is attached to an optical fiber tape core wire 2 as shown in FIGS.
  • the optical fiber ribbon 2 includes a plurality of 0.25 mm ⁇ optical fiber strands 2b each having a 0.125 mm ⁇ bare fiber (glass fiber) 2a coated with an ultraviolet curable resin, and is collectively made of UV curable resin. It is a coated optical fiber ribbon. A covering portion of the optical fiber ribbon 2 is indicated by 2c.
  • the ferrule 3 is made of a transparent resin, and a 45 ° inclined surface 13 is formed on the tip side.
  • the bottomed holes 5 orthogonal to the inclined surface 13 are formed by the number of optical fibers of the optical fiber ribbon 2.
  • the bottom surface of the bottomed hole 5 is an internal reflection surface 5a when viewed from the inside of the ferrule.
  • An adhesive filling recess 6 is formed in the vicinity of the internal reflection surface 5a.
  • An optical fiber hole 7 is formed in the adhesive filling recess 6 as an optical fiber positioning portion having an open end. The adhesive filling recess 6 projects the optical fiber inserted and positioned in the optical fiber hole 7 from its inner surface.
  • an adhesive filling window 9 for filling an adhesive for adhering and fixing the optical fiber ribbon 2 is formed in front of the opening 8 for introducing the ribbon.
  • the optical fiber hole 7 communicates with the adhesive filling recess 6 from the front wall surface 9 a of the adhesive filling window 9.
  • the adhesive filling window 9 and the adhesive filling recess 6 are filled with the adhesive 10 to fix the optical fiber.
  • the optical fiber (bare fiber) 2a from which the tape core coating 2c and the strand coating 2b have been removed is bonded in a state where the tip of the optical fiber 2a is abutted against the front wall 6a in the adhesive filling recess 6 filled with the adhesive 10. It is fixed.
  • the optical fiber (bare fiber) 2a is bonded and fixed on the optical fiber guide groove 9b by the adhesive 10 filled in the adhesive filling window 9, and the optical fiber tape core wire is formed in the opening portion 8 for introducing the tape core wire.
  • the vicinity of the covering end 2 is adhered and fixed.
  • An adhesive also enters the optical fiber hole 7 to bond and fix the optical fiber.
  • light emitted from the optical fiber 2a enters the transparent resin (ferrule) from the front wall surface 6a of the adhesive-filled recess 6 and is reflected downward by the internal reflection surface 5a to change the optical path.
  • the light is emitted to the optical element 12 on the circuit board (optical / electrical composite board) 11. Or follow the reverse optical path.
  • the optical fiber manufacturing apparatus 1 with a ferrule will be described.
  • This ferrule-equipped optical fiber manufacturing apparatus 1 is an uncured adhesive in which an optical fiber 2 a is inserted into an optical fiber hole 7 of a ferrule 3 and an adhesive filling recess 6 and an adhesive filling window 9 are filled with an adhesive 10.
  • This is an apparatus for setting an optical fiber 4 ′ with a ferrule and curing the adhesive.
  • the adhesive is filled into the adhesive filling recess 6 and the adhesive filling window 9 after inserting the optical fiber 2 a into the ferrule 3.
  • the adhesive penetrates into the optical fiber hole 7.
  • This ferrule-equipped optical fiber manufacturing apparatus 1 includes a ferrule placement section 14 on which the ferrule 3 of the uncured ferrule-equipped optical fiber 4 ′ is placed, a stopper 15 that stops the ferrule 3 from moving forward, and the ferrule placement.
  • An optical fiber holding portion 16 for holding the coated portion 2c of the optical fiber ribbon 2 on the rear side of the portion 15, and an adhesive curing portion for curing the adhesive filled in the ferrule 3 placed on the ferrule placement portion 14 17.
  • the stopper 15 has a U-shape when viewed from the side in order to restrain the ferrule 3 from floating.
  • a thermosetting adhesive is used as the adhesive
  • a so-called hot plate using an electric heater is used as the adhesive curing portion 17.
  • the hot plate 17 also serves as a ferrule placement unit 14 on which the ferrule 3 is placed.
  • a broken line portion indicated by 17 a indicates an electric heating portion of the hot plate 17.
  • the optical fiber holding portion 16 includes an optical fiber clamp 21 that can slide in the longitudinal direction of the optical fiber while holding the optical fiber covering portion 2c, and a spring 22 as a biasing portion that biases the optical fiber clamp 21 forward. And a lock portion 23 that locks the optical fiber clamp 21 in a position retracted against the reaction force of the spring 22.
  • the optical fiber clamp 21 includes a clamp main body 24 that can be slid in the longitudinal direction of the optical fiber by placing the covering portion 2c of the optical fiber ribbon 2 and hinges to the clamp main body 24. 25 and a lid body 26 attached to be openable and closable.
  • the lid 26 has an L-shaped cross section having an operation portion 26a for touching the finger so that the user can easily perform the opening / closing operation with the finger.
  • the lid body 26 presses the tape core wire 2 with its own weight.
  • either one of the clamp body 24 and the lid body 26 is made of a magnetic material (for example, SUS430 or the like) and a magnet is embedded in the other, or a magnet is embedded in both.
  • the clamp body 24 is slidable back and forth along a guide pin 28 that is passed between two pin receiving portions 27 provided at the front and rear of the clamp body 24 and penetrates the clamp body 24.
  • the spring 22 is disposed in a cylindrical recess 24a formed on the rear side of the clamp body 24 so as to surround the guide pin 28, and the clamp body 24 is attached to the front (left side in FIGS. 3 and 4). To force.
  • the lock portion 23 includes a vertical lock pin 31 that can move up and down so that its upper end can be engaged with a lock notch 24b formed on the bottom surface of the clamp body 24, and a spring 32 that urges the lock pin 31 upward.
  • a horizontal vertical movement pin 33 having a base end fixed to an intermediate portion of the lock pin 31, and a lock release body 34 capable of lowering the vertical movement pin 33.
  • FIG. 5 is a view showing the right side portion of FIG. 4 excluding the optical fiber clamp 21.
  • the lock pin 31 is fitted in a lock pin hole 37a formed in the lock portion main body 37 integrally fixed to the mechanism base portion 36 so as to be movable up and down.
  • the vertical movement pin 33 protrudes horizontally from a vertically long pin insertion hole 37 b formed on the side surface of the lock portion main body 37, and fits into a vertically long hole 34 a provided in the unlocking body 34.
  • the unlocking body 34 is urged upward by a spring 38 and includes an unlocking body holding pin 39 that holds the unlocking body 34 in the lowered position.
  • the end of the unlocking body holding pin 39 fits into a locking hole 37c formed in the lock body 37, and holds the unlocking body 34 in the lowered position. Maintain the release state.
  • the point which produces the optical fiber 4 with a ferrule with said optical fiber manufacturing apparatus 1 with a ferrule is demonstrated.
  • the coating 2c of the optical fiber ribbon 2 is removed to expose the optical fiber 2b, and the coating is removed to expose the bare fiber 2a.
  • the bare fiber 2 a of the optical fiber ribbon 2 is inserted into the optical fiber hole 7 and abutted against the front wall surface 6 a of the adhesive filling recess 6, the coated end of the optical fiber ribbon 2 is in the adhesive filling window 9.
  • the adhesive filling recess 6 and the adhesive filling window 9 are filled with the thermosetting adhesive 10.
  • the adhesive also enters the optical fiber hole 7 and the optical fiber core wire introduction hole 8.
  • the uncured optical fiber 4 ′ with ferrule which is uncured, is set in the optical fiber manufacturing apparatus 1 with ferrule.
  • the clamp body 24 is retracted in advance (state shown in FIG. 3).
  • the lock release holding pin 39 is pulled (the state shown in FIG. 3), and is urged by the spring 22 to move forward (the tip of the clamp body 24 is in contact with the left pin receiving portion 27 in FIG. 3).
  • the clamp body 24 in the state) is retracted (moved to the right in FIG. 3)
  • the lower end of the lower surface of the clamp body 24 is pushed back by pushing down the lock pin 31 whose upper end surface is inclined.
  • the upper end of the biased lock pin 31 enters the locking recess 24b on the lower surface of the clamp body 24, and the clamp body 24 is locked in the retracted position (position in FIG. 3).
  • the ferrule 3 is placed on the hot plate 17 (also serving as the ferrule placement portion 14) and applied to the stopper 15, and the covering portion 2c of the optical fiber ribbon 2 is placed on the clamp body 24, and then the lid body 26 is closed. Then, the optical fiber ribbon 2 is clamped.
  • the lock release body 34 is pushed down, the lock pin 31 is pushed down via the vertical movement pin 33 and is disengaged from the locking recess 24b on the lower surface of the clamp body 24, so that the clamp body 24 is unlocked.
  • the optical fiber clamp 21 urged by the spring 22 moves forward while holding the optical fiber ribbon 2, advances the bare fiber 2 a, and the bare fiber 2 a has the tip surface of the adhesive filling recess 6. Press against the front wall 6a.
  • the bare fiber 2a is pressed against the front wall surface 6a of the adhesive filling recess 6 by the force of the spring 22, and the bare fiber 2a is not separated from the front wall surface 6a.
  • the thermosetting adhesive 10 filled in the ferrule 3 is heated and cured.
  • the bare fiber 2a remains biased by the force of the spring 22, the bare fiber 2a moves and separates from the front wall surface 6a of the adhesive filling recess 6 due to shrinkage when the adhesive 10 is cured. Can be prevented.
  • the tip position of the optical fiber is anchored to the wall surface by being pressed against the wall surface, the displacement on the front wall surface can be prevented. Therefore, the optical fiber is bonded and fixed in a state where the front end surface is correctly pressed against the front wall surface of the adhesive filling recess. Accordingly, accurate positioning of the front end surface of the optical fiber in the longitudinal direction of the fiber is realized as set, and it is possible to prevent light loss due to positional deviation of the front end surface of the optical fiber.
  • thermosetting adhesive is used as the adhesive
  • the hot plate 17 that is a heating device is employed as the adhesive curing portion.
  • an ultraviolet curable adhesive it is illustrated. Is omitted, but an ultraviolet irradiation device for irradiating the adhesive of the ferrule 3 placed on the ferrule mounting part 14 with ultraviolet rays is provided.
  • the optical fiber holding unit is not limited to the embodiment, and the design can be changed as appropriate.
  • any configuration that includes an optical fiber clamp, a spring, and a lock portion and can be advanced from the retracted position by the spring force while holding the optical fiber may be used.
  • the optical fiber of interest is shown as a 12-fiber optical fiber ribbon in the figure, but the number of cores is not particularly limited, and an 8-fiber or 4-fiber optical fiber tape may be used. Alternatively, a single optical fiber may be used.
  • the optical fiber hole 7 of the ferrule 3 in the illustrated example is parallel to the substrate surface, the optical fiber hole 7 is not necessarily parallel and may have a slight angle with respect to the substrate surface. In this case, the angle of the internal reflection surface 5a is set such that the reflection direction is perpendicular to the substrate surface. Further, the tip end surface of the ferrule 3 inclined by 45 ° can be used as the internal reflection surface without providing the bottomed hole 5.
  • the target optical connector has been described as an optical path conversion type optical connector by internal reflection.
  • the distal end surface 18 of the transparent resin ferrule 3 ⁇ / b> A has an optical fiber hole 7.
  • the optical connector may be an optical connector using a ferrule having a structure in which the optical fiber hole 7 does not penetrate the ferrule 3A. That is, it has an adhesive filling recess 6 similar to the ferrule 3 of FIG. 9 described above, an optical fiber hole 7 that does not penetrate to the outside, an adhesive filling window 9, an opening 8 for introducing a tape core wire, etc. 18 is orthogonal to the longitudinal direction of the optical fiber hole 7 and does not internally reflect.
  • this optical connector arrange
  • this optical connector does not face the ferrule tip end face 18 toward the circuit board, but is brought into contact with the tip end face of another optical connector so that the optical fiber built in the other optical connector is built in itself. It can be used when the optical fiber 2a is arranged on substantially the same straight line and optically connected.
  • the tip of the optical fiber 2a is placed on the front wall surface 6a of the adhesive filling recess 6 formed in the vicinity of the tip surface 18 of the ferrule 3A so that the tip surface position of the optical fiber 2a is accurately positioned. It is appropriate to abut, and the above-described effects of the present invention are effectively achieved.
  • the optical fiber can be bonded and fixed in a state in which the optical fiber is correctly pressed against the front wall surface of the adhesive-filled recess of the transparent ferrule.
  • This enables accurate positioning in the fiber longitudinal direction and prevention of misalignment on the front wall surface of the optical fiber tip position (displacement in the direction along the front wall surface), thereby preventing light loss due to misalignment of the optical fiber tip surface.
  • An optical fiber manufacturing apparatus with a ferrule can be provided.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

La présente invention se rapporte à un appareil permettant de fabriquer une fibre optique comprenant une ferrule. Ledit appareil est pourvu : d'une section de placement de ferrule de fibre optique pourvue de la ferrule, ladite fibre optique étant dans un état dans lequel, avec un adhésif non durci, la fibre optique est alignée par une section d'alignement, et le bord de tête de la fibre optique est pressé contre la surface de paroi avant dans une zone évidée remplie de l'adhésif ; d'un arrêt qui arrête le déplacement de la ferrule vers l'avant ; d'une section de maintien de fibre optique qui maintient la fibre optique ; et d'une section de durcissement de l'adhésif qui durcit l'adhésif appliqué à la ferrule placée sur la section de placement de ferrule. La section de maintien de fibre optique est pourvue : d'un dispositif de serrage de fibre optique qui peut coulisser dans la direction longitudinale de la fibre optique tout en maintenant la fibre optique ; d'une section de sollicitation qui sollicite le dispositif de serrage de fibre optique vers l'avant ; et d'une section de verrouillage qui verrouille le dispositif de serrage de fibre optique à une position où le dispositif de serrage de fibre optique est rentré à l'encontre de la force de réaction de la section de sollicitation.
PCT/JP2011/063395 2010-06-10 2011-06-10 Appareil permettant de fabriquer une fibre optique comprenant une ferrule WO2011155606A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012519438A JP5291833B2 (ja) 2010-06-10 2011-06-10 フェルール付き光ファイバ作製装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010132688 2010-06-10
JP2010-132688 2010-06-10

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Publication Number Publication Date
WO2011155606A1 true WO2011155606A1 (fr) 2011-12-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012093625A (ja) * 2010-10-28 2012-05-17 Fujikura Ltd 光ファイバ挿入補助治具
JP2015169821A (ja) * 2014-03-07 2015-09-28 富士通株式会社 光ファイバアレイの接合装置、光ファイバアレイ把持接合器具、及び光ファイバアレイの接合方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001166180A (ja) * 1999-12-03 2001-06-22 Sumitomo Electric Ind Ltd 光コネクタの組立方法及び光コネクタの組立工具
JP2004333590A (ja) * 2003-04-30 2004-11-25 Fujikura Ltd 光コネクタ
JP2005003885A (ja) * 2003-06-11 2005-01-06 Seikoh Giken Co Ltd フェルール・コネクタ加熱装置
JP2006113149A (ja) * 2004-10-12 2006-04-27 Sumitomo Electric Ind Ltd 光コネクタ組立工具
JP2009258510A (ja) * 2008-04-18 2009-11-05 Fujikura Ltd 光コネクタ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001166180A (ja) * 1999-12-03 2001-06-22 Sumitomo Electric Ind Ltd 光コネクタの組立方法及び光コネクタの組立工具
JP2004333590A (ja) * 2003-04-30 2004-11-25 Fujikura Ltd 光コネクタ
JP2005003885A (ja) * 2003-06-11 2005-01-06 Seikoh Giken Co Ltd フェルール・コネクタ加熱装置
JP2006113149A (ja) * 2004-10-12 2006-04-27 Sumitomo Electric Ind Ltd 光コネクタ組立工具
JP2009258510A (ja) * 2008-04-18 2009-11-05 Fujikura Ltd 光コネクタ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012093625A (ja) * 2010-10-28 2012-05-17 Fujikura Ltd 光ファイバ挿入補助治具
JP2015169821A (ja) * 2014-03-07 2015-09-28 富士通株式会社 光ファイバアレイの接合装置、光ファイバアレイ把持接合器具、及び光ファイバアレイの接合方法

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JPWO2011155606A1 (ja) 2013-08-15

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