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WO2025150374A1 - Élément de maintien, composant de connexion de fibre optique, connecteur optique, ensemble de connexion et procédé de fabrication de composant de connexion de fibre optique - Google Patents

Élément de maintien, composant de connexion de fibre optique, connecteur optique, ensemble de connexion et procédé de fabrication de composant de connexion de fibre optique

Info

Publication number
WO2025150374A1
WO2025150374A1 PCT/JP2024/044850 JP2024044850W WO2025150374A1 WO 2025150374 A1 WO2025150374 A1 WO 2025150374A1 JP 2024044850 W JP2024044850 W JP 2024044850W WO 2025150374 A1 WO2025150374 A1 WO 2025150374A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall surface
side wall
optical fiber
insertion hole
holes
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/JP2024/044850
Other languages
English (en)
Japanese (ja)
Inventor
哲 森島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of WO2025150374A1 publication Critical patent/WO2025150374A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G02B6/40—Mechanical coupling means having fibre bundle mating means

Definitions

  • the holding member is a holding member that is disposed inside an optical connector ferrule while holding a plurality of optical fibers.
  • This holding member includes a front wall surface, a rear wall surface aligned with the front wall surface along a first direction intersecting the front wall surface, a plurality of insertion holes extending along the first direction between the front wall surface and the rear wall surface and aligned along a second direction intersecting the first direction, into which each of the plurality of optical fibers can be inserted, a first side wall surface disposed between the front wall surface and the rear wall surface and intersecting a third direction intersecting both the first direction and the second direction, a second side wall surface disposed between the front wall surface and the rear wall surface and intersecting the second direction, and a mark formed on at least one of the first side wall surface and the second side wall surface and indicating the position of each of the plurality of insertion holes.
  • the present disclosure provides a holding member that allows easy mounting of optical fibers, an optical fiber connection component, an optical connector, a connection assembly, and a method for manufacturing an optical fiber connection component.
  • the optical fiber According to the holding member, optical fiber connecting part, optical connector, connecting assembly, and manufacturing method of the optical fiber connecting part of the present disclosure, the optical fiber can be easily mounted.
  • a holding member is a holding member that is disposed inside an optical connector ferrule while holding a plurality of optical fibers.
  • This holding member includes a front wall surface, a rear wall surface aligned with the front wall surface along a first direction intersecting the front wall surface, a plurality of insertion holes extending along the first direction between the front wall surface and the rear wall surface and aligned along a second direction intersecting the first direction, into which each of the plurality of optical fibers can be inserted, a first side wall surface disposed between the front wall surface and the rear wall surface and intersecting a third direction intersecting both the first direction and the second direction, a second side wall surface disposed between the front wall surface and the rear wall surface and intersecting the second direction, and a mark formed on at least one of the first side wall surface and the second side wall surface and indicating the position of each of the plurality of insertion holes.
  • the marks can be detected from the observation result of at least one of the first side wall surface and the second side wall surface, and the positions of each of the multiple insertion holes can be easily identified using the marks.
  • the position of each optical fiber can be accurately aligned with the position of each insertion hole, making it possible to easily insert each optical fiber into each insertion hole. Therefore, the holding member makes it easy to mount optical fibers on the holding member.
  • the markings may include a first marking formed on the first side wall surface and a second marking formed on the second side wall surface.
  • the position of each insertion hole can be accurately identified using position information of each insertion hole obtained from observation of the first side wall surface using the first markings and position information of each insertion hole obtained from observation of the second side wall surface using the second markings.
  • the mark may include one or more grooves formed on at least one of the first side wall surface and the second side wall surface.
  • the position of each insertion hole can be easily identified based on the positional relationship between the one or more grooves and the multiple insertion holes from the observation of at least one of the first side wall surface and the second side wall surface.
  • the positions of each insertion hole in the first direction and the second direction can be easily identified from the observation result of the first side wall surface using each groove formed on the first side wall surface. This allows the positions of each optical fiber in the first direction and the second direction to be accurately aligned with the positions of each insertion hole in the first direction and the second direction. Furthermore, by placing each optical fiber in each groove, the position of each optical fiber in the third direction can be aligned with the position of each insertion hole in the third direction. As a result, by using the observation results of the first side wall surface, the position of each optical fiber can be precisely aligned with the position of each insertion hole, making it possible to easily insert each optical fiber into each insertion hole. Furthermore, by aligning each optical fiber with each groove, the posture of each optical fiber can be adjusted, making it possible to smoothly insert each optical fiber into each insertion hole.
  • the multiple grooves may include one second groove formed in the second side wall surface.
  • the second groove may extend along the first direction so as to be aligned along the second direction with the central axes of each of the multiple insertion holes.
  • the positions of each insertion hole in the first direction and the third direction can be easily identified from the observation of the second side wall surface using the second groove formed in the second side wall surface. This allows the positions of each optical fiber in the first direction and the third direction to be precisely aligned with the positions of each insertion hole in the first direction and the third direction, making it possible to easily insert each optical fiber into each insertion hole.
  • the multiple through holes may be formed in the first side wall surface and may be aligned along the second direction so as to communicate with each of the multiple insertion holes.
  • Each of the multiple through holes may be arranged so as to be aligned along the central axis of each of the multiple insertion holes and the third direction.
  • the positions of each insertion hole in the first and second directions can be identified from the observation of the first side wall surface through each through hole formed in the first side wall surface. This allows the positions of each optical fiber in the first and second directions to be precisely aligned with the positions of each insertion hole in the first and second directions, making it possible to easily insert each optical fiber into each insertion hole.
  • the multiple through holes may include multiple first through holes aligned in a line along the second direction, and multiple second through holes aligned in a line along the second direction at positions offset in the first direction from the multiple first through holes so as to be staggered with respect to the multiple first through holes.
  • a connection assembly includes a first optical connector and a second optical connector as the optical connectors described in (11) above.
  • the first optical connector and the second optical connector are arranged to face each other along the first direction. Since this connection assembly includes the first optical connector and the second optical connector as the optical connectors described above, as described above, it becomes easy to mount the optical fiber on the holding member.
  • FIG. 1 is a perspective view of the holding member 10 according to this embodiment.
  • FIG. 2 is a plan view of the holding member 10.
  • An XYZ orthogonal coordinate system is shown in each drawing.
  • the holding member 10 has a generally rectangular parallelepiped appearance with the Y direction (second direction) as the longitudinal direction, the X direction (first direction) as the lateral direction, and the Z direction (third direction) as the thickness direction.
  • "up and down” may be defined by the relative position of the Z coordinate, "front and back” by the relative position of the X coordinate, and “left and right” by the relative position of the Y coordinate.
  • a larger Z coordinate is “up”.
  • a larger X coordinate is "front”.
  • a larger Y coordinate is "right”.
  • the holding member 10 is a member that holds multiple optical fibers 20 (see FIG. 3 described later).
  • the holding member 10 is formed, for example, from a material such as quartz glass or a resin that is transparent to ultraviolet light, which is used when curing an ultraviolet-curing adhesive. Being transparent to ultraviolet light means that the transmittance of a material with a thickness of 3 mm for light with a wavelength of 360 nm to 410 nm is 40% or more.
  • the holding member 10 can be manufactured inexpensively and with high precision.
  • the holding member 10 may be formed, for example, from metal. In this case, the holding member 10 can be manufactured with higher precision. When the holding member 10 is formed from quartz glass or metal, the frictional resistance between the holding member 10 and the multiple optical fibers 20 can be reduced.
  • the holding member 10 has, for example, a front wall surface 10a, a rear wall surface 10b, and four side wall surfaces 10c, 10d, 10e, and 10f.
  • the front wall surface 10a is located at the front end of the holding member 10 in the X direction.
  • the rear wall surface 10b is located at the rear end of the holding member 10 in the X direction.
  • the front wall surface 10a and the rear wall surface 10b are lined up along the X direction so as to face in opposite directions.
  • the front wall surface 10a and the rear wall surface 10b extend, for example, along a YZ plane perpendicular to the X direction, and are arranged parallel to each other along the X direction.
  • Side wall surfaces 10e, 10f extend, for example, along an XZ plane perpendicular to the Y direction, and are aligned parallel to each other along the Y direction. Side wall surfaces 10e and 10f may be perpendicular to front wall surface 10a, rear wall surface 10b, side wall surface 10c, and side wall surface 10d.
  • the side wall surface 10c includes, for example, a first surface S1 and a second surface S2.
  • the first surface S1 and the second surface S2 are arranged in order along the X direction between the front wall surface 10a and the rear wall surface 10b.
  • the first surface S1 is connected to the front wall surface 10a and extends along the X direction from the front wall surface 10a toward the rear wall surface 10b.
  • the second surface S2 is recessed in the Z direction relative to the first surface S1 and is connected to the first surface S1 via the wall surface 10g.
  • the second surface S2 extends along the X direction from the wall surface 10g to the rear wall surface 10b.
  • the holding member 10 has a plurality of insertion holes 11 therein that penetrate in the X direction from the wall surface 10g to the rear wall surface 10b.
  • Each insertion hole 11 extends, for example, along the X direction and is arranged in a row along the Y direction.
  • Each insertion hole 11 is formed, for example, at a position closer to the side wall surface 10c than to the side wall surface 10d in the Z direction.
  • each insertion hole 11 penetrates in the X direction from the wall surface 10g to the rear wall surface 10b and opens at the wall surface 10g and the rear wall surface 10b.
  • the shape of each insertion hole 11 when viewed along the X direction is, for example, a circle centered on the central axis C11.
  • the wall surface 10g has an opening 11a which is a first end of the multiple insertion holes 11.
  • the rear wall surface 10b has an opening 11b which is a second end of the multiple insertion holes 11.
  • the inner diameter of each opening 11b is, for example, larger than the inner diameter of each opening 11a.
  • the openings 11a, 11b are arranged in a line along the Y direction corresponding to each insertion hole 11. In this embodiment, the case where 12 insertion holes 11 are arranged at equal intervals in a line (12 x 1 line) along the Y direction is illustrated. However, the number of insertion holes 11 is not limited to 12, and may be 4, 8, or 16.
  • the insertion holes 11 do not have to be arranged in a line, and may be arranged in two or more lines.
  • Each insertion hole 11 includes, for example, a thin-diameter portion P1, an enlarged-diameter portion P2, and a thick-diameter portion P3.
  • the thin-diameter portion P1 extends linearly in the X direction from the wall surface 10g toward the rear wall surface 10b.
  • the thin-diameter portion P1 has an inner diameter that allows the coating removal portion 22 (see FIG. 3) of the optical fiber 20 described later to be inserted.
  • the thin-diameter portion P1 is formed to rotatably hold the coating removal portion 22 around the central axis C20 of the optical fiber 20.
  • the thin-diameter portion P1 is formed to rotatably hold the coating removal portion 22 around the central axis C20 means that the inner diameter of the thin-diameter portion P1 is set to be large enough to allow rotation of the coating removal portion 22 around the central axis C20, and small enough to define the position of the coating removal portion 22 in the YZ plane.
  • the inner diameter of the thin-diameter portion P1 is constant at each position along the X direction of the thin-diameter portion P1.
  • the expanded diameter portion P2 is located between the thin diameter portion P1 and the thick diameter portion P3 in the X direction, and connects the thin diameter portion P1 and the thick diameter portion P3.
  • the inner diameter of the expanded diameter portion P2 gradually increases from the thin diameter portion P1 toward the thick diameter portion P3 along the X direction.
  • the expanded diameter portion P2 guides the coating removal portion 22 of the optical fiber 20 inserted from the thick diameter portion P3 to the thin diameter portion P1.
  • Each insertion hole 11 does not necessarily have to include both the thin diameter portion P1 and the thick diameter portion P3.
  • Each insertion hole 11 may include only the thin diameter portion P1 or only the thick diameter portion P3.
  • Each insertion hole 11 does not necessarily have to include the expanded diameter portion P2.
  • the optical fiber 20 includes, for example, a coating removal section 22 and a coating section 23.
  • the coating removal section 22 is a portion of the optical fiber 20 where a predetermined length of the coating 14c (see FIG. 4) has been removed from the tip surface 20a of the optical fiber 20, exposing the surface of the cladding 14b.
  • the coating removal section 22 includes, for example, a plurality of cores 14a and cladding 14b. The coating removal section 22 is inserted into the narrow diameter section P1 and the enlarged diameter section P2 of the insertion hole 11, and is fixed to the inner surface of the insertion hole 11 by the hardened adhesive injected into the insertion hole 11.
  • FIGs 5A and 5B are plan views showing the manufacturing process of the optical fiber connection part 25.
  • a holding member 10 is prepared in which a plurality of grooves G, a plurality of first through holes H1, and a plurality of second through holes H2 are formed in the side wall surface 10c.
  • a plurality of optical fibers 20 are inserted in the X direction into the multiple insertion holes 11 of the holding member 10.
  • the X-direction and Y-direction positions of the start point P11 of the insertion hole 11 can be detected using either the multiple grooves G or the multiple through holes H, so the X-direction and Y-direction positions of the start point P11 of the insertion hole 11 can be accurately identified using the position information of the insertion hole 11 obtained using the multiple grooves G and the position information of the insertion hole 11 obtained using the multiple through holes H.
  • the X- and Y-directional positions of the optical fiber 20 can be precisely aligned with the X- and Y-directional positions of the starting point P11 of the insertion hole 11, which is identified from the observation of the side wall surface 10c.
  • the three-dimensional position (i.e., the position in the X-direction, Y-direction, and Z-direction) of the central axis C20 of the optical fiber 20 can be precisely aligned with the position of the central axis C11 of the insertion hole 11.
  • FIG. 6 is an exploded perspective view of the optical connector 2 including the optical fiber connection part 25.
  • FIG. 7 is a perspective view of the optical connector 2.
  • the optical connector 2 includes, for example, the optical fiber connection part 25 and a ferrule 30. As shown in FIGS. 6 and 7, the ferrule 30 has, for example, a substantially rectangular parallelepiped appearance.
  • the optical fiber connection part 25 is inserted into the inside of the ferrule 30 and fixed inside the ferrule 30.
  • the optical connector 2 may include, for example, two optical fiber connection parts 25. In this case, the two optical fiber connection parts 25 may be inserted into the ferrule 30 in a state where they are stacked on top of each other in the Z direction so that their side wall surfaces 10c face each other.
  • the ferrule 30 includes, for example, a front surface 30a and a rear surface 30b.
  • the front surface 30a is an end surface located at the front end of the ferrule 30 along the X direction.
  • the front surface 30a is slightly inclined with respect to the XZ plane, for example.
  • the front surface 30a exposes the tip surfaces 20a of the multiple optical fibers 20 inserted inside the ferrule 30.
  • the rear surface 30b is an end surface located at the rear end of the ferrule 30 along the X direction.
  • the rear surface 30b has an opening 31 that can receive the optical fiber connection part 25.
  • the rear surface 30b has a pair of guide through holes 34 into which a pair of guide pins 40 (see FIG. 8) described later are inserted, respectively.
  • the pair of guide through holes 34 penetrate the ferrule 30 along the X direction from the front surface 30a to the rear surface 30b, and are formed on both sides of the opening 31 along the Y direction.
  • FIG. 8 is a perspective view showing a connection assembly 1 having a first optical connector 2a and a second optical connector 2b as the optical connectors 2.
  • the front surface 30a of the first optical connector 2a and the front surface 30a of the second optical connector 2b face each other in the X direction with a gap between them.
  • a pair of guide pins 40 fit into a pair of guide through holes 34 of the first optical connector 2a and a pair of guide through holes 34 of the second optical connector 2b. This defines the positions of the first optical connector 2a and the second optical connector 2b in the YZ plane.
  • a spacer 50 is disposed between the front surface 30a of the first optical connector 2a and the front surface 30a of the second optical connector 2b.
  • the spacer 50 is a plate-shaped member having an opening 50a.
  • the opening 50a allows multiple optical paths extending between the first optical connector 2a and the second optical connector 2b to pass through.
  • the spacer 50 abuts against the front surface 30a of the first optical connector 2a and the front surface 30a of the second optical connector 2b in the X direction, thereby defining the gap between the first optical connector 2a and the second optical connector 2b in the X direction.
  • the mark 15 may include multiple grooves G formed in the side wall surface 10c.
  • the position of each insertion hole 11 can be easily identified based on the positional relationship between the multiple grooves G and the multiple insertion holes 11 from the observation of the side wall surface 10c.
  • the multiple through holes H may be arranged along the Y direction so as to communicate with the multiple insertion holes 11.
  • Each of the multiple through holes H may be arranged so as to be aligned along the Z direction with the central axis C11 of each of the multiple insertion holes 11.
  • the X-direction and Y-direction positions of each insertion hole 11 can be easily identified through each through hole H formed in the side wall surface 10c from the observation result of the side wall surface 10c.
  • the X-direction and Y-direction positions of each optical fiber 20 can be accurately aligned with the X-direction and Y-direction positions of each insertion hole 11, so that each optical fiber 20 can be easily inserted into each insertion hole 11.
  • the through holes H are formed individually for the multiple insertion holes 11 as in this embodiment, compared to when one through hole is formed for the multiple insertion holes 11, the position of the central axis C11 of the insertion hole 11 can be easily identified by utilizing the positional relationship between the edge of the through hole H and the inner surface of the insertion hole 11 when viewing the side wall surface 10c.
  • each optical fiber 20 can be easily inserted into each insertion hole 11 using each groove G as a mark, so that each optical fiber 20 can be easily mounted on the holding member 10A.
  • FIG. 11 is a perspective view showing a holding member 10B according to the second modification.
  • FIG. 12 is a plan view showing the holding member 10B.
  • FIG. 13 is a side view showing the holding member 10B.
  • the holding member 10B includes a mark 15B including one second groove G2 instead of the multiple grooves G.
  • the side wall surface 10c of the holding member 10B does not include a configuration corresponding to the above-mentioned second surface S2, and extends continuously along the X direction from the front wall surface 10a to the rear wall surface 10b. Only multiple through holes H are formed in the side wall surface 10c.
  • One second groove G2 is formed in the side wall surface 10f.
  • the mark 15B is formed on both the side wall surface 10c and the side wall surface 10f. That is, the mark 15B includes multiple through holes H (first marks) formed in the side wall surface 10c and a second groove G2 (second mark) formed in the side wall surface 10f.
  • the central axis C22 of the second groove G2 overlaps with the central axis C11 of each insertion hole 11. Therefore, the position of the central axis C22 of the second groove G2 when the side wall surface 10f is viewed can be detected as the position of the central axis C11 of each insertion hole 11.
  • the point where the central axis C22 of the second groove G2 intersects with the rear wall surface 10b can be detected as the starting point P12 of each insertion hole 11. In this way, by observing the side wall surface 10f, the position of each insertion hole 11 can be identified using the second groove G2. Therefore, the second groove G2 functions as a marker that indicates the position of each insertion hole 11 when the side wall surface 10f is observed.
  • each optical fiber 20 can be accurately aligned with the identified position of each insertion hole 11, so that each optical fiber 20 can be easily inserted into each insertion hole 11.
  • the plurality of first grooves G1 are formed on the side wall surface 10c, and the one second groove G2 is formed on the side wall surface 10f. Therefore, in the holding member 10C, the mark 15C is formed on both the side wall surface 10c and the side wall surface 10f. That is, the mark 15C includes a plurality of first grooves G1 (first marks) formed in the side wall surface 10c and second grooves G2 (second marks) formed in the side wall surface 10f.
  • each first groove G1 in the YZ plane perpendicular to the X direction is, for example, rectangular.
  • the cross-sectional shape of each second groove G2 may be, for example, circular or V-shaped.
  • the width in the Y direction of each first groove G1 may be, for example, smaller than the inner diameter of the thin-diameter portion P1 of each insertion hole 11, or may be larger than the inner diameter of the thin-diameter portion P1 of each insertion hole 11.
  • the central axis C21 of each first groove G1 overlaps, for example, with the central axis C11 of each insertion hole 11.
  • the central axis C21 of each first groove G1 is an axis passing through the center of the Y-direction width of the first groove G1, and extends along the X direction.
  • each first groove G1 functions as a marker indicating the position of each insertion hole 11 when the side wall surface 10c is observed.
  • the present disclosure is not limited to the above-described embodiment and each modified example, and various modifications are possible.
  • the above-described embodiment and each modified example may be combined with each other to the extent that there is no contradiction, depending on the required purpose and effect.
  • the mark 15 includes multiple grooves G and multiple through holes H.
  • the mark may include a single through hole instead of multiple through holes.
  • the single through hole may be formed so as to overlap all of the insertion holes in the Z direction on the side wall surface of the holding member, and may be connected to all of the insertion holes.
  • Transparency refers to, for example, a property in which the transmittance of visible light (for example, wavelength 380 nm or more and 780 nm or less) for a thickness of 3 mm of the transparent portion is 30%.
  • transparent materials include quartz glass, quartz, polycarbonate, and acrylic.

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

Abstract

L'invention concerne un élément de maintien (10) comprenant une face de paroi avant (10a), une face de paroi arrière (10b), une pluralité de trous d'insertion (11), une première face de paroi latérale (10c), une seconde face de paroi latérale (10f) et des marques (15). La face de paroi arrière (10b) est alignée avec la face de paroi avant (10a) le long d'une première direction (direction X) qui coupe la face de paroi avant. La pluralité de trous d'insertion (11) s'étendent le long de la première direction (direction X) entre la face de paroi avant et la face de paroi arrière et sont alignés le long d'une deuxième direction (direction Y) qui croise la première direction. La pluralité de trous d'insertion sont aptes à permettre à une pluralité de fibres optiques d'être insérées dans celles-ci. La première face de paroi latérale (10c) est disposée entre la face de paroi avant et la face de paroi arrière, et coupe une troisième direction (direction Z) qui croise à la fois la première direction et la deuxième direction. La seconde face de paroi latérale (10f) est disposée entre la face de paroi avant et la face de paroi arrière, et coupe la deuxième direction (direction Y). Les marques sont formées sur la première face de paroi latérale (10c) et/ou la seconde face de paroi latérale (10f), et indiquent des positions respectives de la pluralité de trous d'insertion (11).
PCT/JP2024/044850 2024-01-09 2024-12-18 Élément de maintien, composant de connexion de fibre optique, connecteur optique, ensemble de connexion et procédé de fabrication de composant de connexion de fibre optique Pending WO2025150374A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2024-001045 2024-01-09
JP2024001045 2024-01-09

Publications (1)

Publication Number Publication Date
WO2025150374A1 true WO2025150374A1 (fr) 2025-07-17

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Family Applications (1)

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PCT/JP2024/044850 Pending WO2025150374A1 (fr) 2024-01-09 2024-12-18 Élément de maintien, composant de connexion de fibre optique, connecteur optique, ensemble de connexion et procédé de fabrication de composant de connexion de fibre optique

Country Status (1)

Country Link
WO (1) WO2025150374A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09159859A (ja) * 1995-06-26 1997-06-20 Sumitomo Electric Ind Ltd 光ファイバ接続部材とその製造方法及び接続方法
JP2007212973A (ja) * 2006-02-13 2007-08-23 Fujikura Ltd 光ファイバコネクターフェルールおよびこれを用いた接続方法
WO2015093520A1 (fr) * 2013-12-18 2015-06-25 住友電気工業株式会社 Composant de connexion optique
WO2016031678A1 (fr) * 2014-08-29 2016-03-03 古河電気工業株式会社 Connecteur à âmes multiples, connecteur, et mécanisme de connexion de connecteur
US20180210153A1 (en) * 2016-12-29 2018-07-26 Corning Optical Communications LLC Ferrule boot with guide channel(s) for multi-fiber ferrule and fabrication method using same
WO2023199632A1 (fr) * 2022-04-12 2023-10-19 住友電気工業株式会社 Composant de maintien de fibre optique, structure de couplage de fibre optique, connecteur optique et structure de couplage optique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09159859A (ja) * 1995-06-26 1997-06-20 Sumitomo Electric Ind Ltd 光ファイバ接続部材とその製造方法及び接続方法
JP2007212973A (ja) * 2006-02-13 2007-08-23 Fujikura Ltd 光ファイバコネクターフェルールおよびこれを用いた接続方法
WO2015093520A1 (fr) * 2013-12-18 2015-06-25 住友電気工業株式会社 Composant de connexion optique
WO2016031678A1 (fr) * 2014-08-29 2016-03-03 古河電気工業株式会社 Connecteur à âmes multiples, connecteur, et mécanisme de connexion de connecteur
US20180210153A1 (en) * 2016-12-29 2018-07-26 Corning Optical Communications LLC Ferrule boot with guide channel(s) for multi-fiber ferrule and fabrication method using same
WO2023199632A1 (fr) * 2022-04-12 2023-10-19 住友電気工業株式会社 Composant de maintien de fibre optique, structure de couplage de fibre optique, connecteur optique et structure de couplage optique

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