US20160161692A1 - Optical fiber ribbon and optical fiber cable housing optical fiber ribbon - Google Patents

Optical fiber ribbon and optical fiber cable housing optical fiber ribbon Download PDF

Info

Publication number
US20160161692A1
US20160161692A1 US14/251,233 US201414251233A US2016161692A1 US 20160161692 A1 US20160161692 A1 US 20160161692A1 US 201414251233 A US201414251233 A US 201414251233A US 2016161692 A1 US2016161692 A1 US 2016161692A1
Authority
US
United States
Prior art keywords
optical fibers
optical fiber
fiber ribbon
ribbon
connecting portions
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.)
Abandoned
Application number
US14/251,233
Other languages
English (en)
Inventor
Akira NAMAZUE
Ken Osato
Naoki Okada
Yusuke Yamada
Daisuke KAKUTA
Hisaaki NAKANE
Shinya HAMAGUCHI
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.)
Fujikura Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Fujikura Ltd
Nippon Telegraph and Telephone Corp
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 Fujikura Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujikura Ltd
Assigned to FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATION reassignment FUJIKURA LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Hamaguchi, Shinya, KAKUTA, Daisuke, NAKANE, Hisaaki, NAMAZUE, Akira, OKADA, NAOKI, OSATO, KEN, YAMADA, YUSUKE
Publication of US20160161692A1 publication Critical patent/US20160161692A1/en
Priority to US15/401,336 priority Critical patent/US20170115461A1/en
Priority to US15/401,374 priority patent/US9995896B2/en
Priority to US16/825,336 priority patent/US11422325B2/en
Priority to US17/841,262 priority patent/US11892694B2/en
Abandoned legal-status Critical Current

Links

Images

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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4403—Optical cables with ribbon structure
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4403—Optical cables with ribbon structure
    • G02B6/4404—Multi-podded
    • 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
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4405—Optical cables with longitudinally spaced waveguide clamping
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/448—Ribbon cables
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4482—Code or colour marking
    • 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
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2555—Alignment or adjustment devices for aligning prior to splicing
    • 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
    • G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
    • G02B6/3632—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means
    • G02B6/3636—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means the mechanical coupling means being grooves
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/441—Optical cables built up from sub-bundles
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4489—Manufacturing methods of optical cables of central supporting members of lobe structure

Definitions

  • the present invention relates to an optical fiber ribbon having an intermittent fixing structure in which adjacent optical fibers are intermittently connected together via connecting portions, and relates to an optical fiber cable housing the optical fiber ribbon.
  • An optical fiber ribbon using this method has a structure in which a plurality of optical fibers each having the outer diameter of 200 ⁇ m or smaller are arranged in parallel, and the entire circumference of the optical fibers is covered with ultraviolet curable resin.
  • Patent Literature 2 Japanese Patent No. 4143651 (Patent Literature 2) teaches an optical fiber ribbon capable of solving these problems.
  • This optical fiber ribbon does not have a structure in which optical fibers are entirely covered with resin, but has an intermittent fixing structure in which adjacent two optical fibers of three or more of optical fibers arranged in parallel are connected together with resin.
  • the intermittent fixing structure of the optical fiber ribbon described in Patent Literature 2 contributes to easy intermediate branching operation and has the advantage of higher density since the number of connecting portions is smaller than that in the structure of Patent Literature 1.
  • bare optical fibers glass optical fibers
  • bare optical fibers from which the cover layer made of resin is removed may be hard to be set in a fusion machine having plural V-shaped grooves formed at a predetermined pitch to be independently placed in the V-shaped grooves. Failure in placing the optical fibers in the V-shaped grooves in the fusion machine requires extra work to forcibly place the optical fibers in the V-shaped grooves.
  • An object of the present invention is to provide an optical fiber ribbon capable of achieving higher density and reduction in diameter and accurately placing optical fibers in V-shape grooves in a fusion machine without failure, and provide an optical fiber cable housing the optical fiber ribbon.
  • Claim 1 recites an optical fiber ribbon comprising three or more of optical fibers arranged in parallel and connecting portions connecting adjacent two optical fibers together, the connecting portions being intermittently provided in each of a ribbon longitudinal direction and a ribbon width direction, wherein a gap is formed between adjacent two optical fibers, the connecting portions are each formed in such a manner as to fill resin into the gap, and both surfaces of the respective connecting portions are each formed into a recess having a concave shape curved toward a center of the gap to separate from lines each connecting contact points of the optical fibers when being placed on a horizontal surface.
  • Claim 2 recites the optical fiber ribbon according to claim 1 , wherein an outer diameter dimension of the optical fibers is set to smaller than or equal to 220 ⁇ m, and a distance between centers of the adjacent two optical fibers is set to 250 ⁇ m, with a margin of plus or minus 30 ⁇ m.
  • Claim 3 recites the optical fiber ribbon according to claim 1 , wherein an outermost layer of the respective optical fibers is colored.
  • Claim 4 recites an optical fiber cable housing the optical fiber ribbon according to claim 1 therein.
  • Claim 5 recites an optical fiber ribbon comprising three or more of optical fibers arranged in parallel and connecting portions connecting adjacent two optical fibers together, the connecting portions being intermittently provided in each of a ribbon longitudinal direction and a ribbon width direction, wherein a gap if formed between adjacent two optical fibers, the connecting portions are each formed in such a manner as to fill resin into the gap and cover a periphery of the respective optical fibers with the resin, and both surfaces of the respective connecting portions are each formed into a recess having a concave shape curved toward a center of the gap to separate from lines each connecting contact points of the optical fibers when being placed on a horizontal surface.
  • Claim 6 recites the optical fiber ribbon according to claim 5 , wherein an outer diameter dimension of the optical fibers is set to smaller than or equal to 220 ⁇ m, and a distance between centers of the adjacent two optical fibers is set to 250 ⁇ m with a margin of plus or minus 30 ⁇ m.
  • Claim 7 recites the optical fiber ribbon according to claim 5 , wherein a resin thickness of the periphery covered with the resin is set to smaller than or equal to 15 ⁇ m.
  • Claim 8 recites the optical fiber ribbon according to any one of claim 5 , wherein an outermost layer of the respective optical fibers is colored.
  • the optical fiber ribbon is easily bent due to the intermittent fixing structure thereof in which the connecting portions for connecting adjacent two optical fibers are intermittently provided in each of the ribbon longitudinal direction and the ribbon width direction and due to the reduced outer diameter dimension of the optical fibers which is set to smaller than or equal to 220 ⁇ m.
  • the connecting portions for connecting adjacent two optical fibers are intermittently provided in each of the ribbon longitudinal direction and the ribbon width direction and due to the reduced outer diameter dimension of the optical fibers which is set to smaller than or equal to 220 ⁇ m.
  • the distance between the centers of adjacent two optical fibers is set to 250 ⁇ 30 ⁇ m, which is equal to a distance between the centers of adjacent two optical fibers of an optical fiber ribbon commonly distributed, so as to accurately place the respective optical fibers in the corresponding V-shape grooves in the fusion machine without falling out of the V-shaped grooves.
  • FIG. 1 is a top perspective view showing an example of an optical fiber ribbon having an intermittent fixing structure according to the present embodiment.
  • FIG. 2 is an enlarged cross-sectional view of a connecting portion of the optical fiber ribbon of FIG. 1 .
  • FIG. 2(A) is a structural example of the connecting portion
  • FIG. 2(B) is another structural example of the connecting portion.
  • FIG. 3 is an enlarged cross-sectional view of a connecting portion of the optical fiber ribbon having another structure of FIG. 1 .
  • FIG. 3(A) is a structural example of the connecting portion
  • FIG. 3(B) is another structural example of the connecting portion.
  • FIG. 4 is a view showing a state where glass optical fibers in the optical fiber ribbon according to the present embodiment from which covering is removed, are placed in V-shaped grooves of a fusion machine.
  • FIG. 5 is a cross-sectional view of a center tube-type optical fiber cable housing the optical fiber ribbon according to the present embodiment therein.
  • FIG. 6 is a cross-sectional view of an SZ-slotted optical fiber cable housing the optical fiber ribbon according to the present embodiment therein.
  • FIG. 7 is a cross-sectional view of a C-slotted optical fiber cable housing the optical fiber ribbon according to the present embodiment therein.
  • FIG. 1 shows an example of an optical fiber ribbon having an intermittent fixing structure according to the present embodiment
  • FIG. 2 shows an enlarged cross section of a connecting portion of the optical fiber ribbon of FIG. 1
  • the optical fiber ribbon 1 according to the present embodiment has a structure in which three or more of optical fibers 2 are arranged in parallel, the adjacent two optical fibers 2 are connected together via connecting portions 3 , and the connecting portions 3 are intermittently located in each of a ribbon longitudinal direction (in the X-arrow direction in FIG. 1 ) and a ribbon width direction (in the Y-arrow direction in FIG. 1 ).
  • the optical fiber ribbon 1 is composed of the n optical fibers 2 in total, and the adjacent two optical fibers 2 of the n optical fibers 2 are intermittently connected together via the connecting portions 3 in each of the ribbon longitudinal direction and the ribbon width direction.
  • the connecting portions 3 connecting the adjacent two optical fibers 2 together are formed in the ribbon longitudinal direction at a fixed pitch P 1 , and have a shorter length than unconnected portions each located therebetween. Namely, the length of each connecting portion 3 is shorter than that of each unconnected portion in the ribbon longitudinal direction.
  • only one connecting portion 3 is formed in the ribbon width direction to connect the adjacent two optical fibers 2 .
  • the connecting portion 3 is not located on the same line in the ribbon width direction as the other connecting portion 3 connecting other adjacent two optical fibers 2 but located in the offset position from the other connecting portion 3 in the ribbon longitudinal direction. Therefore, the connecting portions 3 formed in the optical fiber ribbon 1 are arranged in a zigzag manner as a whole.
  • the arrangement of the connecting portions 3 is not limited to that shown in FIG. 1 and may be other configurations.
  • the arrangement shown in FIG. 1 is merely an example.
  • two or more connecting portions 3 may be formed in the ribbon width direction in a manner such that at least one unconnected portion is located between the connecting portions 3
  • the connecting portion 3 connects the adjacent two optical fibers 2 together in such a manner as to fill the gap S between the adjacent two optical fibers 2 with resin (for example, ultraviolet curable resin) and then cure it.
  • resin for example, ultraviolet curable resin
  • Both surfaces 3 a and 3 b of the connecting portion 3 are respectively positioned on the same lines as lines 4 and 5 each connecting the contact points of the respective optical fibers 2 when being placed on the horizontal surface. Therefore, the inner half circumferences of the optical fibers 2 facing the gap S are covered with the resin composing the connecting portion 3 , but the outer half circumferences on the opposite side of the gap S are not covered with the resin.
  • the two surfaces 3 a and 3 b of the connecting portion 3 shown in FIG. 2(B) are each formed into a recess having a concave shape curved toward the center of the gap S to separate from the lines 4 and 5 each connecting the contact points of the respective optical fibers 2 when being placed on the horizontal surface.
  • the amount of the resin composing the connecting portion 3 is smaller than that in FIG. 2(A) , and the resin is locally concentrated in the central portion of the gap S between the two optical fibers 2 .
  • the optical fiber ribbon connected with the connecting portions 3 having such a configuration is more easily bent since the amount of the resin used is smaller than that of the connecting portion 3 shown in FIG. 2(A) , so that the number of the optical fiber ribbons to be housed in a cable further increases.
  • Each of the optical fibers 2 includes a bare glass optical fiber 6 provided in the center thereof, a first cover layer 7 covering the periphery of the glass optical fiber 6 , and a second cover layer 8 further covering the periphery of the first cover layer 7 .
  • the glass optical fiber 6 has a diameter of 125 ⁇ m.
  • the first cover layer 7 is a relatively soft resin layer to absorb lateral pressure applied to the glass.
  • the second cover layer 8 is a relatively hard resin layer to protect against external damage.
  • the second cover layer 8 may be further covered with a colored layer so that the respective optical fibers 2 can be discriminated therebetween.
  • the colored layer is formed as an outermost layer so as to easily differentiate the respective optical fibers 2 visually.
  • the outer diameter dimension of the optical fibers 2 (the entire diameter including the outermost layer) H is set to smaller than or equal to 220 ⁇ m, and the distance L between the centers of the adjacent two optical fibers 2 is set to 250 ⁇ 30 ⁇ m.
  • the optical fiber 2 of the present embodiment is a size smaller than the optical fiber 2 conventionally used which has the outer diameter dimension H of 250 ⁇ m.
  • the distance L between the centers of the adjacent two optical fibers in the optical fiber ribbon conventionally used is 250 ⁇ m.
  • the present embodiment sets the distance L to 250 ⁇ m with a margin of plus or minus 30 ⁇ m.
  • the connecting portion 3 shown in FIG. 2(A) has a thickness which is the same as the outer diameter dimension H of the optical fibers 2 .
  • the connecting portion 3 shown in FIG. 2(B) has a thickness which is smaller than the outer diameter dimension H of the optical fibers 2 .
  • the optical fiber ribbon 1 has an intermittent fixing structure in which the connecting portions 3 are intermittently provided in each of the ribbon longitudinal direction and the ribbon width direction to connect the adjacent two optical fibers 2 together, and has a configuration in which the optical fibers 2 have the outer diameter dimension H of smaller than or equal to 220 ⁇ m which is smaller than that of the conventionally-used optical fibers, which contributes to decreasing the diameter of the optical fibers 2 and easily bending the ribbon.
  • a larger number of the optical fiber ribbons 1 can be housed in a cable compared with optical fiber ribbons having a conventional structure so as to increase the packaging density thereof.
  • the optical fiber ribbon according to the present embodiment has a configuration in which the optical fibers 2 have the outer diameter dimension H of smaller than or equal to 220 ⁇ m which is smaller than that of the conventionally-used optical fibers, the volume of the optical fibers can be reduced by 20% or greater compared with the optical fibers having a conventional configuration. Accordingly, the entire diameter of the optical fiber ribbon can be decreased so as to further increase the packaging density thereof.
  • the connecting portions 3 are not limited to the configurations shown in FIG. 2(A) and FIG. 2(B) in which the connecting portions 3 are formed only in the gap S between the adjacent two optical fibers 2 , but may have the configurations shown in FIG. 3(A) and FIG. 3(B) .
  • the connecting portions 3 shown in FIG. 3 are formed in such a manner as to fill resin into the gap S between the adjacent two optical fibers 2 and cover the peripheries of the optical fibers 2 with the resin.
  • the resin thickness T on the outer half circumference of each optical fiber 2 covered with the connecting portion 3 is set to smaller than or equal to 15 ⁇ m.
  • optical fiber ribbons 4 -core ribbons
  • the manufacture of connecting portions and unconnected portions employed the method disclosed in Japanese Unexamined Patent Application Publication No. 2010-033010 (Japanese Patent Application No. 2009-082778).
  • the pitch adjustment between the optical fibers employed the method disclosed in Japanese Unexamined Patent Application Publication No. 08-146239 (Japanese Patent Application No. 06-163292). Note that all optical fibers in one optical fiber ribbon have the same outer diameter dimension.
  • the operation process was as follows. First, the optical fiber ribbon was held with a holder, the first cover layers 7 and the second cover layers 8 covering the respective optical fibers were removed by use of Hot Jacket Stripper to obtain the bare glass optical fibers 6 , and side surfaces of the bare glass optical fibers 6 thus obtained were cut with a fiber cutter. Subsequently, the respective glass optical fibers 6 in the optical fiber ribbon held with the holder were placed on a fusion machine 10 having V-shaped grooves 9 formed at a fixed pitch P 2 shown in FIG. 4 .
  • the evaluation was performed in such a manner as to determine whether the respective glass optical fibers 6 were placed in the corresponding V-shaped grooves 9 .
  • the case where the glass optical fibers 6 were placed in the V-shaped grooves 9 was defined as OK, and the case where the glass optical fibers 6 deviated from the V-shaped grooves 9 was defined as NG.
  • Hot Jacket Stripper used was HJS-02 manufactured by Fujikura Ltd.
  • the fiber cutter used was CT-30 manufactured by Fujikura Ltd.
  • the fusion machine used was FSM-60R also manufactured by Fujikura Ltd.
  • the pitch P 2 between the respective V-shaped grooves 9 in the fusion machine 10 is 250 ⁇ m. The operation under the conditions described above was repeated 10 times and the number of NG was then counted. Table 1 shows the evaluation thereof.
  • FIG. 5 shows an example of a center tube-type optical fiber cable housing the optical fiber ribbon according to the present embodiment therein.
  • the center tube-type optical fiber cable 11 has a configuration in which the optical fiber ribbon 1 of the present embodiment is formed into a cable core 12 in a manner such that the optical fibers 2 are rolled in the ribbon width direction and assembled into a bundle as indicated by a dashed and double-dotted line in FIG. 5 , thermoplastic resin is extruded over the periphery of the cable core 12 thus obtained so as to form a tube 13 thereon, and the tube 13 is further covered with polyethylene so as to form a sheath 14 thereon.
  • FIG. 6 shows an example of an SZ-slotted optical fiber cable housing the optical fiber ribbon according to the present embodiment therein.
  • the SZ-slotted optical fiber cable 15 has a configuration in which a plurality of slots 18 having a U-shape in cross section are formed on the outer periphery of a slot core 17 including a tension member 16 in the center thereof extending in the ribbon longitudinal direction, the optical fiber ribbon 1 according to the present embodiment is rolled in the ribbon width direction into a bundle and housed in each of the slots 18 , the peripheral surface of the slot core 17 including the openings of the slots 18 is covered with a press winding tape 19 , and a sheath 20 is further formed thereon by extrusion.
  • FIG. 7 shows an example of a C-slotted optical fiber cable housing the optical fiber ribbon according to the present embodiment therein.
  • the C-slotted optical fiber cable 21 has a configuration in which the optical fiber ribbon 1 according to the present embodiment is rolled in the ribbon width direction into a bundle and housed in a slot groove 24 of a slot core 23 having a C-shape in cross section including tension members 22 therein, and the entire slot core is covered with a sheath 26 via a press winding tape 25 interposed therebetween.
  • optical fiber ribbon 1 shown in each of FIG. 5 , FIG. 6 and FIG. 7 according to the present embodiment is rolled in the ribbon width direction into a bundle and housed in the cable
  • the optical fiber ribbon 1 according to the present embodiment may be folded in layers in the vertical direction and housed in the cable.
  • a plurality of the optical fiber ribbons 1 may be stacked on top of one another to have a stacked structure and then housed in the cable.
  • the optical fiber cables 11 , 15 and 21 according to the present embodiment each use the optical fibers 2 having the reduced outer diameter dimension of smaller than or equal to 220 ⁇ m. Therefore, a larger number of the optical fibers 2 can be housed in the cable, compared with the conventionally-used optical fibers 2 having the outer diameter dimension of 250 ⁇ m, so as to ensure higher density. Further, the optical fiber cables 11 , 15 and 21 according to the present embodiment can house the optical fiber ribbon 1 having an intermittent fixing structure in any state in a manner such that the optical fiber ribbon 1 is bent and rolled into a cylindrical shape or folded to be stacked in any direction.
  • the optical fiber cables 11 , 15 and 21 can easily separate the respective optical fibers 2 from each other so as to improve single-core separation workability at the time of terminal leading to extract the optical fibers 2 from the terminals of the cable or at the time of connecting operation to connect a connector to the extracted optical fibers 2 , since the optical fiber cables 11 , 15 and 21 each use the optical fiber ribbon 1 including the connecting portions 3 intermittently formed in each of the ribbon longitudinal direction and the ribbon width direction to connect the adjacent two optical fibers 2 together.
  • the present invention is applicable to the optical fiber ribbon having an intermittent fixing structure to intermittently connect the adjacent optical fibers together via the connecting portions.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
US14/251,233 2011-10-18 2014-04-11 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon Abandoned US20160161692A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US15/401,336 US20170115461A1 (en) 2011-10-18 2017-01-09 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US15/401,374 US9995896B2 (en) 2011-10-18 2017-01-09 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US16/825,336 US11422325B2 (en) 2011-10-18 2020-03-20 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US17/841,262 US11892694B2 (en) 2011-10-18 2022-06-15 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-229066 2011-10-18
JP2011229066A JP5564026B2 (ja) 2011-10-18 2011-10-18 光ファイバテープ心線及びその光ファイバテープ心線を収納した光ファイバケーブル
PCT/JP2012/076590 WO2013058206A1 (fr) 2011-10-18 2012-10-15 Fil cœur de fibre optique en ruban et câble à fibres optiques abritant ledit fil cœur de fibre optique en ruban

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/076590 Continuation WO2013058206A1 (fr) 2011-10-18 2012-10-15 Fil cœur de fibre optique en ruban et câble à fibres optiques abritant ledit fil cœur de fibre optique en ruban

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US15/401,336 Division US20170115461A1 (en) 2011-10-18 2017-01-09 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US15/401,374 Division US9995896B2 (en) 2011-10-18 2017-01-09 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon

Publications (1)

Publication Number Publication Date
US20160161692A1 true US20160161692A1 (en) 2016-06-09

Family

ID=48140853

Family Applications (5)

Application Number Title Priority Date Filing Date
US14/251,233 Abandoned US20160161692A1 (en) 2011-10-18 2014-04-11 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US15/401,374 Active US9995896B2 (en) 2011-10-18 2017-01-09 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US15/401,336 Abandoned US20170115461A1 (en) 2011-10-18 2017-01-09 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US16/825,336 Active US11422325B2 (en) 2011-10-18 2020-03-20 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US17/841,262 Active US11892694B2 (en) 2011-10-18 2022-06-15 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon

Family Applications After (4)

Application Number Title Priority Date Filing Date
US15/401,374 Active US9995896B2 (en) 2011-10-18 2017-01-09 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US15/401,336 Abandoned US20170115461A1 (en) 2011-10-18 2017-01-09 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US16/825,336 Active US11422325B2 (en) 2011-10-18 2020-03-20 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
US17/841,262 Active US11892694B2 (en) 2011-10-18 2022-06-15 Optical fiber ribbon and optical fiber cable housing optical fiber ribbon

Country Status (17)

Country Link
US (5) US20160161692A1 (fr)
EP (2) EP2770357B1 (fr)
JP (1) JP5564026B2 (fr)
KR (1) KR20140079824A (fr)
CN (3) CN103890628B (fr)
AU (1) AU2012327115B2 (fr)
BR (1) BR112014009570B1 (fr)
CA (1) CA2851090C (fr)
DK (2) DK3176620T3 (fr)
ES (2) ES2897006T3 (fr)
HU (2) HUE057452T2 (fr)
MY (1) MY166505A (fr)
PL (2) PL2770357T3 (fr)
PT (2) PT2770357T (fr)
RU (1) RU2589445C2 (fr)
TW (1) TWI540355B (fr)
WO (1) WO2013058206A1 (fr)

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10094995B2 (en) * 2016-02-16 2018-10-09 Ofs Fitel, Llc Rollable ribbons in loose-tube cable structures
US10185110B2 (en) 2014-11-20 2019-01-22 Fujikura Ltd. Optical fiber ribbon, optical fiber cable, and method for producing optical fiber ribbon
US10247900B2 (en) * 2015-12-04 2019-04-02 Fujikura Ltd. Optical fiber ribbon, method for manufacturing optical fiber ribbon, and UV-curable resin composition used for formation of connection parts in intermittently connected optical fiber ribbon
US20190204519A1 (en) * 2016-02-23 2019-07-04 Sumitomo Electric Industries, Ltd. Intermittent connection type optical fiber ribbon, manufacturing method of intermittent connection type optical fiber ribbon, optical fiber cable, and optical fiber code
US20190219783A1 (en) * 2018-01-12 2019-07-18 Ofs Fitel, Llc Multi-fiber unit tube optical fiber microcable incorporating rollable optical fibers ribbons
WO2020106595A1 (fr) 2018-11-20 2020-05-28 Ofs Fitel, Llc Câble à fibres optiques ayant des rubans enroulables et un élément de résistance centrale
US20200183111A1 (en) * 2016-06-13 2020-06-11 Sumitomo Electric Industries, Ltd. Optical fiber cable
US10705304B2 (en) * 2016-12-28 2020-07-07 Fujikura Ltd. Method for manufacturing intermittently-fixed optical fiber ribbon
US10754114B2 (en) * 2017-01-25 2020-08-25 Afl Telecommunications Llc Reduced diameter ruggedized fiber optic distribution cables
US10782495B2 (en) 2018-01-15 2020-09-22 Prysmian S.P.A. Flexible optical-fiber ribbon
US10884213B1 (en) 2019-11-14 2021-01-05 Prysmian S.P.A. Optical-fiber ribbon with distorted sinusoidal adhesive pattern and method therefor
US10983297B2 (en) 2017-07-11 2021-04-20 Prysmian S.P.A. Optical fiber ribbon and a method of producing the same
US11009668B2 (en) 2017-07-24 2021-05-18 Sumitomo Electric Industries, Ltd. Optical fiber ribbon and optical fiber cable
US11131816B2 (en) 2017-07-11 2021-09-28 Prysmian S.P.A. Optical fiber ribbon assembly and a method of producing the same
US11150424B2 (en) * 2018-12-06 2021-10-19 Sterlite Technologies Limited Rollable optical fiber ribbon
US11181709B2 (en) 2018-01-18 2021-11-23 Ssumitomom Electric Industries, Ltd. Manufacturing method of optical fiber ribbon and manufacturing apparatus thereof
US11209606B2 (en) 2017-11-02 2021-12-28 Sumitomo Electric Industries, Ltd. Optical fiber unit and optical fiber cable
US11256051B2 (en) 2018-01-15 2022-02-22 Prysmian S.P.A. Flexible optical-fiber ribbon
US20220196945A1 (en) * 2019-03-20 2022-06-23 Sumitomo Electric Industries, Ltd. Intermittent connection-type optical fiber tape core, optical fiber cable and connector-equipped optical fiber cord
US20220252809A1 (en) * 2019-05-28 2022-08-11 Sumitomo Electric Industries, Ltd. Optical fiber tape core wire, optical fiber cable, and method of manufacturing optical fiber tape core wire
US11415769B2 (en) 2019-02-06 2022-08-16 Sumitomo Electric Industries, Ltd. Intermittent connection-type optical fiber tape core wire, optical fiber cable, and method for manufacturing intermittent connection-type optical fiber tape core wire
US11442238B2 (en) 2020-12-22 2022-09-13 Prysmian S.P.A. Optical-fiber ribbon with spaced optical-fiber units
US11460652B2 (en) 2020-12-22 2022-10-04 Prysmian S.P.A. Optical-fiber ribbon with adhesive-free gaps
US20220342167A1 (en) * 2019-09-05 2022-10-27 Sumitomo Electric Industries, Ltd. Optical fiber ribbon, optical fiber cable, and connector-equipped optical fiber cord
US11500171B2 (en) 2018-01-15 2022-11-15 Prysmian S.P.A. Optical fiber ribbon and a method and system of producing the same
US20230049693A1 (en) * 2017-08-08 2023-02-16 Corning Research & Development Corporation Rollable optical fiber ribbon with low attenuation, large mode field diameter optical fiber and cable
US20230140824A1 (en) * 2020-03-09 2023-05-04 Sumitomo Electric Industries, Ltd. Optical fiber ribbon and optical fiber cable
WO2023081039A1 (fr) * 2021-11-03 2023-05-11 Corning Research & Development Corporation Ruban de fibres optiques configuré pour maintenir l'orientation de fibres optiques à maintien de polarisation et multicoeurs
US11828996B2 (en) 2020-03-09 2023-11-28 Sumitomo Electric Industries, Ltd. Optical fiber ribbon and optical fiber cable
US11860438B2 (en) 2020-07-29 2024-01-02 Sumitomo Electric Industries, Ltd. Method for manufacturing intermittent connection-type optical fiber tape core wire and intermittent connection-type optical fiber tape core wire
US11860429B2 (en) 2020-12-22 2024-01-02 Prysmian S.P.A. Optical-fiber ribbon with spaced optical-fiber units
US12130486B2 (en) 2023-06-01 2024-10-29 Afl Telecommunications Llc Reduced diameter ruggedized fiber optic distribution cables

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5852045B2 (ja) * 2013-05-07 2016-02-03 株式会社フジクラ 光ファイバテープ心線及び光ファイバケーブル
US20150129751A1 (en) 2013-11-12 2015-05-14 Baker Hughes Incorporated Distributed sensing system employing a film adhesive
US9389382B2 (en) 2014-06-03 2016-07-12 Corning Optical Communications LLC Fiber optic ribbon cable and ribbon
JP5802309B2 (ja) * 2014-06-06 2015-10-28 株式会社フジクラ 光ファイバテープ心線及びその光ファイバテープ心線を収納した光ファイバケーブル
JP2016061871A (ja) 2014-09-17 2016-04-25 古河電気工業株式会社 光ファイバケーブル
WO2016115358A1 (fr) * 2015-01-15 2016-07-21 Corning Optical Communications LLC Câble hybride de ruban à fibres optiques et d'alimentation
JP6329912B2 (ja) * 2015-01-19 2018-05-23 古河電気工業株式会社 光ファイバテープ心線、光ファイバケーブル
JP6408389B2 (ja) * 2015-01-26 2018-10-17 株式会社フジクラ 光ファイバテープの製造方法、異常検出方法及び製造システム
CN108027484A (zh) 2015-07-31 2018-05-11 康宁光电通信有限责任公司 可卷绕光纤带
MX2018006117A (es) * 2015-11-18 2018-08-01 Corning Optical Communications LLC Cable de fibra optica con estructura de acoplamiento periodico interno.
JP6841836B2 (ja) 2016-09-30 2021-03-10 株式会社フジクラ 光ファイバ着色心線の製造方法および光ファイバケーブルの製造方法
CN109716195A (zh) * 2016-09-30 2019-05-03 株式会社藤仓 光纤带、光缆以及光纤带的制造方法
WO2018102706A1 (fr) * 2016-12-01 2018-06-07 Commscope Technologies Llc Dispositif de formation de ruban de fibres
WO2018105424A1 (fr) 2016-12-06 2018-06-14 住友電気工業株式会社 Noyau de ruban de fibre optique de type à connexion intermittente, son procédé de fabrication, câble à fibre optique et cordon de fibre optique
JP7097303B2 (ja) * 2016-12-20 2022-07-07 古河電気工業株式会社 光ファイバ間欠テープ心線の製造方法及び光ファイバ間欠テープ心線
US11585995B2 (en) * 2018-11-05 2023-02-21 Sterlite Technologies Limited Matrix material for rollable optical fiber ribbons
US11125959B2 (en) * 2018-12-06 2021-09-21 Sterlite Technologies Limited Flat drop optical fiber cable
JP6855519B2 (ja) 2019-02-08 2021-04-07 株式会社フジクラ 光ファイバユニット及び光ファイバユニットの加工方法
CN113678044A (zh) * 2019-04-12 2021-11-19 住友电气工业株式会社 光纤带芯线、模具及光纤带芯线的制造方法
JP2020204687A (ja) * 2019-06-17 2020-12-24 住友電気工業株式会社 光ファイバテープ心線、光ファイバケーブルおよび光ファイバテープ心線の製造方法
CN110148488A (zh) * 2019-05-31 2019-08-20 江苏鸿翔电缆有限公司 一种新型光纤复合控制电缆
JP7157026B2 (ja) 2019-09-12 2022-10-19 株式会社フジクラ 光ファイバ整列方法、光ファイバ融着方法、コネクタ付き光ファイバテープの製造方法及び間欠連結型の光ファイバテープ
CA3150300C (fr) 2019-10-30 2022-08-09 Fujikura Ltd. Bande de fibre optique de type a connexion intermittente et procede de fabrication de bande de fibre optique de type a connexion intermittente
US11650373B2 (en) 2020-03-24 2023-05-16 Commscope Technologies Llc Pitch conversion apparatus for use with optical fibers
JPWO2022065485A1 (fr) 2020-09-28 2022-03-31
CN113359230B (zh) * 2021-05-18 2022-04-29 烽火通信科技股份有限公司 一种柔性光纤带及光缆

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4869570A (en) * 1987-02-21 1989-09-26 Nippon Telegraph And Telephone Corporation Fiber coupler and method and apparatus for manufacturing the same
US5627930A (en) * 1993-04-19 1997-05-06 Sumitomo Electric Industries, Ltd. Arrayed optical fiber coupler and method of manufacturing the same
US6368441B1 (en) * 1998-10-20 2002-04-09 Sumitomo Metal Mining Co., Ltd. Method for manufacturing optical fiber array
US20020159727A1 (en) * 2001-04-26 2002-10-31 Fujikura Ltd. Optical cable
US6584257B1 (en) * 2000-12-27 2003-06-24 Corning Cable Systems, Llc Fiber optic assembly and method of making same
US6795460B1 (en) * 1999-03-17 2004-09-21 Katsuhisa Itoh Laser device and an optical signal amplifier using thereof
US20050226573A1 (en) * 2002-05-28 2005-10-13 Kaoru Okuno Optical fiber tape core
US7151879B2 (en) * 2002-11-06 2006-12-19 Sumitomo Electric Industries, Ltd. Optical fiber ribbon that is easily branched into individual optical fibers and optical fiber cable using the same
JP2007279226A (ja) * 2006-04-04 2007-10-25 Fujikura Ltd 光ファイバテープ心線及び前記光ファイバテープ心線を収納した光ファイバケーブル
US20080056653A1 (en) * 2004-04-14 2008-03-06 Takahiro Sato Optical Fiber Tape Unit and Optical Fiber Cable
WO2010001663A1 (fr) * 2008-06-30 2010-01-07 日本電信電話株式会社 Câble à fibres optiques et bande à fibres optiques
US20100296781A1 (en) * 2008-01-08 2010-11-25 Fujikura Ltd. Optical fiber ribbon capable of branching and method for making fiber ribbon branch

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155314A (en) * 1979-05-21 1980-12-03 Nippon Telegr & Teleph Corp <Ntt> Connecting method of optical fiber and its connector
US4547040A (en) * 1983-06-21 1985-10-15 Mitsubishi Rayon Co., Ltd. Optical fiber assembly and process for preparing same
US4662713A (en) * 1984-08-13 1987-05-05 American Telephone And Telegraph Company At&T Bell Laboratories Optical fiber connector and articles connected therewith
US4730198A (en) * 1984-11-26 1988-03-08 American Telephone And Telegraph Company, At&T Bell Laboratories Aligning arrays of optoelectronic devices to arrays of optical fibers
US4830456A (en) * 1986-11-15 1989-05-16 Sumitomo Electric Industries, Ltd. Optical connector and process for producing the same
US4789214A (en) * 1987-09-21 1988-12-06 Tacan Corporation Micro-optical building block system and method of making same
JP2573633B2 (ja) * 1987-11-26 1997-01-22 住友電気工業株式会社 テープ状光ファイバ心線の製造装置
JPH0617923B2 (ja) * 1987-12-16 1994-03-09 株式会社フジクラ 光ファイバの加熱測定法
JPH0256510A (ja) * 1988-08-23 1990-02-26 Sumitomo Electric Ind Ltd テープ状光フアイバ心線の製造方法
JP2533014Y2 (ja) * 1989-02-10 1997-04-16 日本電気硝子 株式会社 リボン状多心光ファイバの永久接続器
JPH04145403A (ja) * 1990-10-05 1992-05-19 Seiko Giken:Kk 多芯リボンテープ光ファイバ用分岐合流器およびその製造方法
JPH04268522A (ja) * 1991-02-22 1992-09-24 Fujikura Ltd 光ファイバテープ心線の製造方法
JP3058203B2 (ja) 1991-07-11 2000-07-04 株式会社フジクラ 光ケーブル
JP2695582B2 (ja) * 1992-08-03 1997-12-24 住友電気工業株式会社 光ファイバのｖ溝上への整列方法及び装置
JP2888711B2 (ja) 1992-11-19 1999-05-10 三菱電機株式会社 大型電気機器のライン化流れ生産方式
CA2130862C (fr) * 1993-08-26 1997-10-21 Isao Suzuki Appareil servant a regler l'alignement des fibres optiques
JPH08146239A (ja) 1994-06-23 1996-06-07 Fujikura Ltd 光ファイバテープの製造装置およびその製造方法
JP2976819B2 (ja) * 1994-08-25 1999-11-10 日立電線株式会社 光ファイバテープ心線の接続方法
JPH08220397A (ja) * 1995-02-13 1996-08-30 Fujikura Ltd 素線の着色でテープ番号を付した複合光ファイバテープ
US5637900A (en) * 1995-04-06 1997-06-10 Industrial Technology Research Institute Latchup-free fully-protected CMOS on-chip ESD protection circuit
FR2736441B1 (fr) * 1995-07-04 1997-09-26 Noane Georges Le Dispositif et procede de reperage et de raccordement de fibres multicoeurs
SE510365C2 (sv) * 1996-05-03 1999-05-17 Ericsson Telefon Ab L M Förfarande för framställning av ett opto-mekaniskt don samt sådant don
JP4390160B2 (ja) * 1998-06-26 2009-12-24 住友電気工業株式会社 分割型光ファイバテープ心線の製造用一括被覆ダイス装置及び製造方法
US6421493B1 (en) * 2000-03-24 2002-07-16 Fitel Usa Corp. Apparatus and method for assembling and aligning a plurality of optical fibers
EP1174744A1 (fr) * 2000-07-21 2002-01-23 Corning Incorporated Méthode et dispositif pour épisser des fibres optiques
JP2003232972A (ja) * 2002-02-07 2003-08-22 Sumitomo Electric Ind Ltd 光ファイバテープ心線
JP2004126563A (ja) * 2002-09-02 2004-04-22 Seiko Instruments Inc レンズ一体型光ファイバとその製造方法
JP2005017662A (ja) * 2003-06-26 2005-01-20 Sumitomo Electric Ind Ltd 光ファイバ融着接続装置及び融着接続方法
JP3951133B2 (ja) * 2003-07-23 2007-08-01 住友電気工業株式会社 光ファイバケーブル
WO2005010570A2 (fr) * 2003-07-25 2005-02-03 Xponent Photonics Inc. Emballage de dispositif optique couple par fibre
JP4055000B2 (ja) * 2003-08-11 2008-03-05 住友電気工業株式会社 光ファイバケーブル、光ファイバケーブルの製造方法及び光ファイバケーブルの製造装置
JP2007507007A (ja) * 2003-09-25 2007-03-22 コーニング インコーポレイテッド 多モードピグテールを備えたファイバレンズ
US6973245B2 (en) * 2003-12-30 2005-12-06 Furukawa Electric North America Optical fiber cables
JP2005227721A (ja) * 2004-02-16 2005-08-25 Sumitomo Electric Ind Ltd 光接続器、光モジュール、および光接続器の製造方法
KR100624052B1 (ko) * 2005-06-22 2006-09-15 주식회사 나노포토닉스 적어도 하나의 비구면 굴절면을 갖는 렌즈를 포함하는 광부품
US8447157B2 (en) * 2005-06-24 2013-05-21 3M Innovative Properties Company Optical device with cantilevered fiber array and method
JP2007058206A (ja) 2005-07-28 2007-03-08 Furukawa Electric Co Ltd:The 光ファイバテープ心線及び光ファイバテープユニット
JP2009082778A (ja) 2007-09-28 2009-04-23 Tomoaki Ito 再資源化装置
JP4966920B2 (ja) * 2008-06-20 2012-07-04 株式会社フジクラ 光ファイバテープ心線の製造方法及びその装置
JP5149230B2 (ja) * 2008-06-23 2013-02-20 株式会社フジクラ 光ファイバテープ心線の製造方法及びその製造装置
JP5442234B2 (ja) * 2008-10-24 2014-03-12 株式会社半導体エネルギー研究所 半導体装置及び表示装置
TWI585955B (zh) * 2008-11-28 2017-06-01 半導體能源研究所股份有限公司 光感測器及顯示裝置
JP2010224478A (ja) * 2009-03-25 2010-10-07 Hitachi Cable Ltd テープ状光ファイバ
JP2010237292A (ja) * 2009-03-30 2010-10-21 Fujikura Ltd 光ファイバテープ心線の製造方法及びその製造装置
TWI405781B (zh) 2009-07-08 2013-08-21 Tsrc Corp 偶合共聚物及其製造方法
JP2011100115A (ja) 2009-10-06 2011-05-19 Fujikura Ltd 光ファイバケーブル
JP2011229066A (ja) 2010-04-22 2011-11-10 Panasonic Electric Works Co Ltd 撮像装置
CN102590933B (zh) * 2012-01-10 2015-07-01 长飞光纤光缆股份有限公司 一种弯曲不敏感单模光纤
WO2014159702A2 (fr) * 2013-03-14 2014-10-02 Vascular Imaging Corporation Fil-guide d'imagerie par ruban de fibres optiques et procédés correspondants
JP6275841B2 (ja) * 2013-12-27 2018-02-07 インテル・コーポレーション 非対称光導波路格子共振器及びｄｂｒレーザ

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4869570A (en) * 1987-02-21 1989-09-26 Nippon Telegraph And Telephone Corporation Fiber coupler and method and apparatus for manufacturing the same
US5627930A (en) * 1993-04-19 1997-05-06 Sumitomo Electric Industries, Ltd. Arrayed optical fiber coupler and method of manufacturing the same
US6368441B1 (en) * 1998-10-20 2002-04-09 Sumitomo Metal Mining Co., Ltd. Method for manufacturing optical fiber array
US6795460B1 (en) * 1999-03-17 2004-09-21 Katsuhisa Itoh Laser device and an optical signal amplifier using thereof
US6584257B1 (en) * 2000-12-27 2003-06-24 Corning Cable Systems, Llc Fiber optic assembly and method of making same
US20020159727A1 (en) * 2001-04-26 2002-10-31 Fujikura Ltd. Optical cable
US20050226573A1 (en) * 2002-05-28 2005-10-13 Kaoru Okuno Optical fiber tape core
US7151879B2 (en) * 2002-11-06 2006-12-19 Sumitomo Electric Industries, Ltd. Optical fiber ribbon that is easily branched into individual optical fibers and optical fiber cable using the same
US20080056653A1 (en) * 2004-04-14 2008-03-06 Takahiro Sato Optical Fiber Tape Unit and Optical Fiber Cable
JP2007279226A (ja) * 2006-04-04 2007-10-25 Fujikura Ltd 光ファイバテープ心線及び前記光ファイバテープ心線を収納した光ファイバケーブル
US20100296781A1 (en) * 2008-01-08 2010-11-25 Fujikura Ltd. Optical fiber ribbon capable of branching and method for making fiber ribbon branch
WO2010001663A1 (fr) * 2008-06-30 2010-01-07 日本電信電話株式会社 Câble à fibres optiques et bande à fibres optiques
US20110110635A1 (en) * 2008-06-30 2011-05-12 Kunihiro Toge Optical fiber cable and optical fiber ribbon

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10185110B2 (en) 2014-11-20 2019-01-22 Fujikura Ltd. Optical fiber ribbon, optical fiber cable, and method for producing optical fiber ribbon
US10247900B2 (en) * 2015-12-04 2019-04-02 Fujikura Ltd. Optical fiber ribbon, method for manufacturing optical fiber ribbon, and UV-curable resin composition used for formation of connection parts in intermittently connected optical fiber ribbon
US10094995B2 (en) * 2016-02-16 2018-10-09 Ofs Fitel, Llc Rollable ribbons in loose-tube cable structures
US20190204519A1 (en) * 2016-02-23 2019-07-04 Sumitomo Electric Industries, Ltd. Intermittent connection type optical fiber ribbon, manufacturing method of intermittent connection type optical fiber ribbon, optical fiber cable, and optical fiber code
US10598888B2 (en) * 2016-02-23 2020-03-24 Sumitomo Electric Industries, Ltd. Intermittent connection type optical fiber ribbon having improved density, manufacturing method of the ribbon, optical fiber cable, and optical cable fiber code
US10845556B2 (en) * 2016-06-13 2020-11-24 Sumitomo Electric Industries, Ltd. Optical fiber cable
US20200183111A1 (en) * 2016-06-13 2020-06-11 Sumitomo Electric Industries, Ltd. Optical fiber cable
US10705304B2 (en) * 2016-12-28 2020-07-07 Fujikura Ltd. Method for manufacturing intermittently-fixed optical fiber ribbon
US11747581B2 (en) 2017-01-25 2023-09-05 Afl Telecommunications Llc Reduced diameter ruggedized fiber optic distribution cables
US10754114B2 (en) * 2017-01-25 2020-08-25 Afl Telecommunications Llc Reduced diameter ruggedized fiber optic distribution cables
US11150426B2 (en) 2017-01-25 2021-10-19 Afl Telecommunications Llc Reduced diameter ruggedized fiber optic distribution cables
US11131816B2 (en) 2017-07-11 2021-09-28 Prysmian S.P.A. Optical fiber ribbon assembly and a method of producing the same
US10983297B2 (en) 2017-07-11 2021-04-20 Prysmian S.P.A. Optical fiber ribbon and a method of producing the same
US11009668B2 (en) 2017-07-24 2021-05-18 Sumitomo Electric Industries, Ltd. Optical fiber ribbon and optical fiber cable
US11796749B2 (en) * 2017-08-08 2023-10-24 Corning Research & Development Corporation Rollable optical fiber ribbon with low attenuation, large mode field diameter optical fiber and cable
US20230049693A1 (en) * 2017-08-08 2023-02-16 Corning Research & Development Corporation Rollable optical fiber ribbon with low attenuation, large mode field diameter optical fiber and cable
US11209606B2 (en) 2017-11-02 2021-12-28 Sumitomo Electric Industries, Ltd. Optical fiber unit and optical fiber cable
US20190219783A1 (en) * 2018-01-12 2019-07-18 Ofs Fitel, Llc Multi-fiber unit tube optical fiber microcable incorporating rollable optical fibers ribbons
US12001070B2 (en) 2018-01-15 2024-06-04 Prysmian S.P.A. Flexible optical-fiber ribbon
US11169342B2 (en) 2018-01-15 2021-11-09 Prysmian S.P.A. Flexible optical-fiber ribbon
US11256051B2 (en) 2018-01-15 2022-02-22 Prysmian S.P.A. Flexible optical-fiber ribbon
US10782495B2 (en) 2018-01-15 2020-09-22 Prysmian S.P.A. Flexible optical-fiber ribbon
US11656417B2 (en) 2018-01-15 2023-05-23 Prysmian S.P.A. Flexible optical-fiber ribbon
US11500171B2 (en) 2018-01-15 2022-11-15 Prysmian S.P.A. Optical fiber ribbon and a method and system of producing the same
US11181709B2 (en) 2018-01-18 2021-11-23 Ssumitomom Electric Industries, Ltd. Manufacturing method of optical fiber ribbon and manufacturing apparatus thereof
EP3884326A4 (fr) * 2018-11-20 2022-05-25 Ofs Fitel Llc Câble à fibres optiques ayant des rubans enroulables et un élément de résistance centrale
WO2020106595A1 (fr) 2018-11-20 2020-05-28 Ofs Fitel, Llc Câble à fibres optiques ayant des rubans enroulables et un élément de résistance centrale
US11150424B2 (en) * 2018-12-06 2021-10-19 Sterlite Technologies Limited Rollable optical fiber ribbon
US11415769B2 (en) 2019-02-06 2022-08-16 Sumitomo Electric Industries, Ltd. Intermittent connection-type optical fiber tape core wire, optical fiber cable, and method for manufacturing intermittent connection-type optical fiber tape core wire
US20220196945A1 (en) * 2019-03-20 2022-06-23 Sumitomo Electric Industries, Ltd. Intermittent connection-type optical fiber tape core, optical fiber cable and connector-equipped optical fiber cord
US12117662B2 (en) * 2019-03-20 2024-10-15 Sumitomo Electric Industries, Ltd. Intermittent connection-type optical fiber tape core, optical fiber cable and connector-equipped optical fiber cord
US20220252809A1 (en) * 2019-05-28 2022-08-11 Sumitomo Electric Industries, Ltd. Optical fiber tape core wire, optical fiber cable, and method of manufacturing optical fiber tape core wire
EP4027180A4 (fr) * 2019-09-05 2022-11-02 Sumitomo Electric Industries, Ltd. Ruban de fibres optiques, câble à fibres optiques, et cordon à fibres optiques équipé d'un connecteur
US20220342167A1 (en) * 2019-09-05 2022-10-27 Sumitomo Electric Industries, Ltd. Optical fiber ribbon, optical fiber cable, and connector-equipped optical fiber cord
US11886026B2 (en) * 2019-09-05 2024-01-30 Sumitomo Electric Industries, Ltd. Optical fiber ribbon, optical fiber cable, and connector-equipped optical fiber cord
US10884213B1 (en) 2019-11-14 2021-01-05 Prysmian S.P.A. Optical-fiber ribbon with distorted sinusoidal adhesive pattern and method therefor
EP4112664A4 (fr) * 2020-03-09 2023-08-02 Sumitomo Electric Industries, Ltd. Ruban de fibres optiques et câble à fibres optiques
US20230140824A1 (en) * 2020-03-09 2023-05-04 Sumitomo Electric Industries, Ltd. Optical fiber ribbon and optical fiber cable
US11828996B2 (en) 2020-03-09 2023-11-28 Sumitomo Electric Industries, Ltd. Optical fiber ribbon and optical fiber cable
US11953744B2 (en) * 2020-03-09 2024-04-09 Sumitomo Electric Industries, Ltd. Optical fiber ribbon and optical fiber cable
US11860438B2 (en) 2020-07-29 2024-01-02 Sumitomo Electric Industries, Ltd. Method for manufacturing intermittent connection-type optical fiber tape core wire and intermittent connection-type optical fiber tape core wire
US11860429B2 (en) 2020-12-22 2024-01-02 Prysmian S.P.A. Optical-fiber ribbon with spaced optical-fiber units
US11442238B2 (en) 2020-12-22 2022-09-13 Prysmian S.P.A. Optical-fiber ribbon with spaced optical-fiber units
US11460652B2 (en) 2020-12-22 2022-10-04 Prysmian S.P.A. Optical-fiber ribbon with adhesive-free gaps
WO2023081039A1 (fr) * 2021-11-03 2023-05-11 Corning Research & Development Corporation Ruban de fibres optiques configuré pour maintenir l'orientation de fibres optiques à maintien de polarisation et multicoeurs
US12130486B2 (en) 2023-06-01 2024-10-29 Afl Telecommunications Llc Reduced diameter ruggedized fiber optic distribution cables

Also Published As

Publication number Publication date
CA2851090A1 (fr) 2013-04-25
AU2012327115B2 (en) 2014-09-18
US20200218020A1 (en) 2020-07-09
PL3176620T3 (pl) 2022-05-02
BR112014009570A2 (pt) 2017-05-09
CN106932870B (zh) 2020-09-04
EP3176620B1 (fr) 2021-09-29
TWI540355B (zh) 2016-07-01
US20170115461A1 (en) 2017-04-27
EP2770357A4 (fr) 2015-06-24
US20220317398A1 (en) 2022-10-06
PL2770357T3 (pl) 2021-09-06
RU2589445C2 (ru) 2016-07-10
CN103890628B (zh) 2017-11-24
HUE057452T2 (hu) 2022-05-28
BR112014009570B1 (pt) 2020-12-01
CN106873101A (zh) 2017-06-20
WO2013058206A1 (fr) 2013-04-25
PT3176620T (pt) 2021-11-19
RU2014119931A (ru) 2015-11-27
EP2770357A1 (fr) 2014-08-27
DK3176620T3 (da) 2021-12-20
AU2012327115A1 (en) 2014-04-24
JP5564026B2 (ja) 2014-07-30
NZ623457A (en) 2015-03-27
HUE053884T2 (hu) 2021-07-28
US11422325B2 (en) 2022-08-23
US20170184803A1 (en) 2017-06-29
US9995896B2 (en) 2018-06-12
PT2770357T (pt) 2021-03-04
CA2851090C (fr) 2016-10-11
KR20140079824A (ko) 2014-06-27
ES2849749T3 (es) 2021-08-20
ES2897006T3 (es) 2022-02-28
CN103890628A (zh) 2014-06-25
DK2770357T3 (da) 2021-04-12
US11892694B2 (en) 2024-02-06
EP2770357B1 (fr) 2021-01-20
JP2013088617A (ja) 2013-05-13
MY166505A (en) 2018-06-27
TW201331659A (zh) 2013-08-01
CN106932870A (zh) 2017-07-07
EP3176620A1 (fr) 2017-06-07

Similar Documents

Publication Publication Date Title
US11422325B2 (en) Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
JP5802309B2 (ja) 光ファイバテープ心線及びその光ファイバテープ心線を収納した光ファイバケーブル
US10845556B2 (en) Optical fiber cable
WO2014181730A1 (fr) Cœur de ruban de fibre optique et câble de fibre optique
EP3404462B1 (fr) Ruban de fibres optiques de type à raccordement intermittent, et câble optique
US11048054B2 (en) Optical fiber cable and method of manufacturing optical fiber cable
JP2020024257A (ja) 光ファイバテープ心線、光ファイバケーブル、および光ファイバテープ心線の融着接続方法
JP6362302B2 (ja) 光ファイバテープ心線及び光ケーブル
CN215494272U (zh) 接续盒及容纤盘的布线结构
KR200456289Y1 (ko) 광케이블 접속함체용 트레이
US20200026016A1 (en) High density, low bend loss optical fiber ribbon cable
JP2015018053A (ja) 光ケーブル
WO2019021998A1 (fr) Ruban de fibre optique et câble à fibres optiques
NZ623457B2 (en) Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
CN113608311A (zh) 接续盒及容纤盘的布线结构
CN114624832B (zh) 一种可拓展大芯数光缆子单元保护装置及安装方法
JP2022014544A (ja) 光ファイバテープ心線、光ファイバケーブル
JPH11264910A (ja) 浸水検知用光ファイバ心線及び光ファイバケーブル

Legal Events

Date Code Title Description
AS Assignment

Owner name: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NAMAZUE, AKIRA;OSATO, KEN;OKADA, NAOKI;AND OTHERS;REEL/FRAME:032664/0898

Effective date: 20140407

Owner name: FUJIKURA LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NAMAZUE, AKIRA;OSATO, KEN;OKADA, NAOKI;AND OTHERS;REEL/FRAME:032664/0898

Effective date: 20140407

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION