CN103235378A - Easily stripped optical fiber ribbon and manufacturing method thereof - Google Patents
Easily stripped optical fiber ribbon and manufacturing method thereof Download PDFInfo
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- CN103235378A CN103235378A CN2013101604184A CN201310160418A CN103235378A CN 103235378 A CN103235378 A CN 103235378A CN 2013101604184 A CN2013101604184 A CN 2013101604184A CN 201310160418 A CN201310160418 A CN 201310160418A CN 103235378 A CN103235378 A CN 103235378A
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Abstract
The invention provides an easily stripped optical fiber ribbon and a manufacturing method thereof, wherein the easily stripped optical fiber ribbon comprises an optical fiber core, an optical fiber ribbon, an optical fiber ribbon cladding, binding material of the optical fiber ribbon, an optical fiber coloring layer and an optical fiber coating layer; and the manufacturing method of the easily stripped optical fiber ribbon comprises the following steps: step one, coloring optical fibers, the average value of stripping force of the optical fiber coating layer is 1-3 N, and the peak value of the stripping force of the coating layer is 1-5 N; step two, merging the optical fibers into an optical fiber ribbon in which four cores or eight cores, or at most twelve cores form a subunit, and merging the optical fibers according to the subunit if the number of optical fiber cores exceeds twelve; and step three, shaping the optical fiber ribbon by using a sawtooth-shaped shaping mould so that the optical fiber ribbon is sawtooth-shaped in outer appearance.
Description
Technical field
The invention belongs to telecommunication optical fiber optical cable technology field, especially relate to a kind of fibre ribbon and manufacture method thereof easily peeled off.
Background technology
Along with the sustained and rapid development of internet, online new business emerges in an endless stream, and particularly begins business such as fashionable online game, video conference, video request program in recent years, makes people continue to increase the demand of network insertion bandwidth; According to the related data analysis, following 3 years user's average bandwidth demands will be above 12M, and traditional access way can not satisfy the demand of bandwidth., wireless access technology wired with other compared, and optical fiber inserts has impayable advantage aspect bandwidth capacity and the coverage distance; Along with the appearance of low-cost GPON, EPON technology and ripe rapidly, the quick decline of optical fiber cable cost in addition makes the ideal of numerous operators access network fiberize to be achieved.Under the force action of market and technology, can predict that FTTH is about to enter extensive commercial brand-new epoch.
The continuous development of FTTH, quantity that Fiber to the home in the city is increased sharply, ODN (Optical Distribution Network optical distribution network) development is swift and violent, and the core light device in the FTTH network is the PLC shunt, its development will become the main driving of FTTH market growth, also will become PON(Passive Optical Network passive optical-fiber network) main force in market.1 * the N of realization from the local side to user that act as of PLC shunt connects.During FTTH in early days builds, based on 1 * 16 shunt; And the port number of EPON is 1 * 32, namely based on 1 * 32 port; Along with the research and development success of PLC with fibre ribbon, be applied to have the more GPON of high-transmission efficient, its port number is 1 * 32 and 1 * 64, even reaches 1 * 128 port number.
The present invention has easy peel property, so that the separation of each optical fiber is used on the fibre ribbon, its easy fissility not only has the good characteristics of manually easily peeling off, and can utilize machinery to carry out hot soarfing from effect easily simultaneously, and its performance is as follows:
1, manually peel off characteristics:
A. do not use any instrument, in the fibre ribbon all optical fiber can be by hand disposable peeling off more than 1 meter simultaneously, the surface does not adhere to coated with resins;
B. optical fiber has the class serrate and opens stripping groove (referring to Fig. 1), can be single core separate, but also optical fiber separates in groups;
C. do not have when coat and optical fiber ablation disconnected fine.
2, hot soarfing is from characteristics:
A. integral body is peeled off: use the Auto stripper stripping apparatus of Korea S ILSINTECH company that fibre ribbon is heated between 100 ℃～~ 120 ℃, be 2 ~ 6 seconds heat time heating time, can with a segment length greater than binding material, the optical fiber coloring layer of the fibre ribbon of 35mm, coat is disposable peels off, peeling off the back optical fiber surface, not have coating material residual;
B. put in a skylight and peel off (referring to Fig. 2): use the Auto stripper stripping apparatus of Korea S ILSINTECH company that fibre ribbon is heated between 100 ℃～~ 120 ℃, be 2 ~ 6 seconds heat time heating time, can be with a segment length greater than the binding material of the fibre ribbon of 30mm, optical fiber coloring layer, optical fiber coating with respect to the whole displacement 20mm of fibre cladding and optical fiber surface does not have remaining coating, equidistantly, do not have disconnected fine between optical fiber and the optical fiber.
Summary of the invention
The purpose of this invention is to provide a kind of fibre ribbon and manufacture method thereof easily peeled off.
A kind of fibre ribbon of easily peeling off of the present invention comprises binding material, optical fiber coloring layer, the optical fiber coating of fiber cores, fibre ribbon, fibre ribbon covering, fibre ribbon; Wherein fibre ribbon with 4 cores or 8 cores, to be up to 12 cores be a subelement; Wherein, the fibre ribbon from-inner-to-outer comprises binding material, optical fiber coloring layer, optical fiber coating and whole covering; Wherein the outside surface indention of fibre ribbon has the class serrate and opens the stripping groove; Wherein, optical fiber coloring material printing ink or ink resin material, fibre coating material is liquid resin.
For realizing above-mentioned easy peel property, the invention provides a kind of fibre ribbon manufacture method of easily peeling off, it may further comprise the steps:
Step (1) is carried out painted to optical fiber, the mean value of described optical fiber coating peeling force satisfies 1 ~ 3N, coat peeling force
Peak value satisfy 1 ~ 5N;
Step (2) is carried out optical fiber and is with, with fibre ribbon with 4 cores or 8 cores, to be up to 12 cores be a subelement, if light
The fibre core number surpasses 12 cores, then merges by above-mentioned fibre ribbon subelement;
Step (3) uses the serrate stock mould that the fibre ribbon after producing is finalized the design, so that the fibre ribbon appearance forms the serrate appearance.
Further, colored optical fiber is applied printing ink outward, the degree of cure of described printing ink is 85%～95%, optical fiber and when being with, and fibre ribbon internal layer UV resin solidification degree is controlled 85%～95%, and the control of the outer UV resin solidification of fibre ribbon degree is 80%～90%.
Further, the range of viscosities that optical fiber is carried out painted ink resin material is 2000 ~ 3000 cps; The particle diameter range is 0-2 μ m; Tensile strength range is 25 ~ 35MPa; The fracture elongation scope is 2% ~ 5%; Specific modulus ranges is 600 ~ 1000MPa; The cure shrinkage scope is 2%～7%.
Further, the liquid range of viscosities of fibre ribbon outermost resin material is 4900 ~ 5100cps; Temperature range when dynamic mechanical analysis is 1000MPa after solidifying is 0～10 ℃; Temperature range when dynamic mechanical analysis is 100MPa after solidifying is 60～70 ℃; Secant modulus scope when 2.5% bullet becomes is 260～300MPa; The length growth rate scope is 10%～20%; Tensile strength range is 15～25MPa; State of cure is 0.6 ~ 0.8J/ cm
2
Further, the liquid range of viscosities of the internal layer coated with resins material of fibre ribbon is 4800 ~ 4900cps; Temperature range when dynamic mechanical analysis is 1000MPa after solidifying is 30～40 ℃; Temperature range when dynamic mechanical analysis is 100MPa after solidifying is 55～65 ℃; Secant modulus when 2.5% bullet becomes is 850～950MPa; The length growth rate scope is 20%～30%; Tensile strength range is 30～40MPa; State of cure is 0.25 ~ 0.35J/cm
2
Further, the control of UV light spectral limit is between 200～300nm during colored optical fiber, the ratio of speed of production and UV lamp power is at 0.15 m/(minw)～0.42m/(minw) between, easily peel off the control of fibre ribbon UV light spectral limit between 350 ~ 400nm, internal layer and with the ratio of speed of production and UV lamp power at 0.45～0.75 m/(minw) between, outer and with the ratio of speed of production and UV lamp power at 0.15～0.55 m/(minw) between.
Description of drawings
Fig. 1 easily peels off the fibre ribbon synoptic diagram.
Fig. 2 is the synoptic diagram that puts in a skylight of easily peeling off fibre ribbon.
Fig. 3 easily peels off fibre ribbon to be applied to design sketch in the PLC device.
Fig. 4 A easily peels off fibre ribbon production die drawing.
Fig. 4 B easily peels off the figure that the entrance mould in the mould is used in fibre ribbon production.
Fig. 4 C easily peels off the figure that the filling mould in the mould is used in fibre ribbon production.
Fig. 4 D easily peels off the figure that the stock mould in the mould is used in fibre ribbon production.
Fig. 4 E easily peels off fibre ribbon production with in the mould, through the outside drawing of entrance mould with the optical fiber transversal section of filling mould.
Fig. 4 F easily peels off fibre ribbon production with in the mould, the outside drawing of the optical fiber transversal section of process stock mould; Stock mould adopts the serrate design, so that the fibre ribbon appearance forms the serrate appearance.
Fig. 5 is the fundamental diagram of optical fiber coloring equipment.
Fig. 6 is the fundamental diagram of fibre ribbon production equipment.
Wherein, the Reference numeral implication is:
1---zigzag 12 core fibre bands; 2---the class serrate of easily peeling off on the fibre ribbon is opened the stripping groove; 3---easily peel off the optical fiber in the fibre ribbon; 4---easily peel off fibre ribbon; 5---the binding material of fibre ribbon, optical fiber coloring layer, optical fiber coating; 6---fibre cladding; 7---article one is easily peeled off fibre ribbon; 8---second is easily peeled off fibre ribbon; 9---the PLC device; 10---the entrance mould; 11---fill mould; 12---stock mould.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Of the present inventionly easily peel off binding material, optical fiber coloring layer, the optical fiber coating that fibre ribbon comprises fiber cores, fibre ribbon, fibre ribbon covering, fibre ribbon; Wherein fibre ribbon with 4 cores or 8 cores, to be up to 12 cores be a subelement; Wherein, the fibre ribbon from-inner-to-outer comprises binding material, optical fiber coloring layer, optical fiber coating and whole covering; Wherein the outside surface indention of fibre ribbon has the class serrate and opens the stripping groove; Wherein, optical fiber coloring material printing ink or ink resin material, fibre coating material is liquid resin.The manufacture method of easily peeling off fibre ribbon of the present invention is as follows:
1, for realizing the easy fissility requirement of fibre ribbon, the mould shape mould of producing fibre ribbon adopts the serrate appearance, make the fibre ribbon of production have the class serrate and open the stripping groove, thereby form the requirement of manually peeling off with mechanical stripping, the fibre ribbon physical dimension requires to satisfy as follows:
2, the used optical fiber of the present invention need be chosen coat peeling force (mean value) and satisfy 1 ~ 3N, and coat peeling force (peak value) satisfies the optical fiber of 1 ~ 5N;
3, the present invention requires colored optical fiber to apply the printing ink degree of cure outward 85%～95% when manufacturing, optical fiber coloring laminar surface smoothness, color clear, even; Optical fiber and when being with operation requires the control of fibre ribbon internal layer UV resin solidification degree 85%～95%, and the control of the outer UV resin solidification of fibre ribbon degree is 80%～90%;
4, among the present invention, coloring printing ink resin material technical requirement: range of viscosities (measuring down for 25 ℃): 2000 ~ 3000 cps; Particle diameter range: 0-2 μ m; Tensile strength range (measuring down for 23 ℃): 25 ~ 35MPa; Fracture elongation scope (measuring down for 23 ℃): 2% ~ 5%; Specific modulus ranges (when 2.5% bullet becomes, measuring down for 23 ℃): 600 ~ 1000MPa; Cure shrinkage scope (measuring down for 23 ℃): 2%～7%;
5, fibre ribbon outermost resin material technology requires among the present invention: liquid range of viscosities (measuring down for 25 ℃): 4900 ~ 5100cps; Temperature range when (solids coating) dynamic mechanical analysis (DMA) is 1000MPa after solidifying: 0～10 ℃; Temperature range when (solids coating) dynamic mechanical analysis (DMA) is 100MPa after solidifying: 60～70 ℃; Secant modulus (23 ℃ are measured under 50% relative humidity) scope: 260～300MPa when 2.5% bullet becomes; Length growth rate scope (23 ℃ are measured under 50% relative humidity): 10%～20%; Tensile strength range (measuring down for 23 ℃): 15～25MPa; State of cure (the UV dosage when reaching 95% final secant modulus): 0.6 ~ 0.8J/ cm
2
6, be used for the internal layer coated with resins material technology requirement of modular fiber optic band among the present invention: liquid range of viscosities (measuring down for 25 ℃): 4800 ~ 4900cps; Temperature range when (solids coating) dynamic mechanical analysis (DMA) is 1000MPa after solidifying: 30～40 ℃; Temperature range when (solids coating) dynamic mechanical analysis (DMA) is 100MPa after solidifying: 55～65 ℃; Secant modulus (23 ℃ are measured under 50% relative humidity) when 2.5% bullet becomes: 850～950MPa; Length growth rate scope (23 ℃ are measured under 50% relative humidity): 20%～30%; Tensile strength range (measuring down for 23 ℃): 30～40MPa; State of cure (the UV dosage when reaching 95% final secant modulus): 0.25 ~ 0.35J/cm
2
7, the control of UV light spectral limit is between 200～300nm during colored optical fiber, and the ratio (wavelength coverage of UV light) of speed of production and UV lamp power is at 0.15 m/(minw)～0.42m/(minw);
8, easily peel off the control of fibre ribbon UV light spectral limit between 350 ~ 400nm, internal layer and with the ratio (wavelength coverage of UV light) of speed of production and UV lamp power at 0.45～0.75 m/(minw), outer and with the ratio (wavelength coverage of UV light) of speed of production and UV lamp power at 0.15～0.55 m/(minw).
Specific embodiment 1:
The present invention mainly produces by the following method and easily peels off fibre ribbon:
1, production equipment
(1) optical fiber coloring equipment: with the bare fibre ink coats, behind the UV photocuring, obtain colored optical fiber then, referring to Fig. 5;
(2) fibre ribbon production equipment: with the colored optical fiber resin-coating, behind the UV photocuring, obtain fibre ribbon then, referring to Fig. 6.
2, mould explanation: shown in Fig. 4 A, Fig. 4 B, Fig. 4 C and Fig. 4 D, mould, 12 expression stock moulds are filled in 10 expression entrance moulds, 11 expressions; Shown in Fig. 4 E and Fig. 4 F, stock mould adopts the serrate design, so that the fibre ribbon appearance forms the serrate appearance.
3, starting material and performance parameter
(1) the painted material technology characteristic of using:
Range of viscosities (measuring down for 25 ℃): 2400～2500 cps
Particle diameter range: less than 2 μ m
Tensile strength range (measuring down for 23 ℃): 28～30MPa
Fracture elongation scope (measuring down for 23 ℃): 3.0%～3.2%
Specific modulus ranges (when 2.5% bullet becomes, measuring down for 23 ℃): 600～700MPa
Cure shrinkage scope (measuring down for 23 ℃): 4%～5%
(2) fibre ribbon coated with resins technical characteristic:
A, fibre ribbon internal layer coated with resins
Liquid range of viscosities (measuring down for 25 ℃): 4960cps～5000cps
Solidify back (solids coating) dynamic mechanical analysis (DMA):
E
`Temperature range during=1000MPa: 32～36 ℃
Temperature range during E`=100MPa: 58～62 ℃
Secant modulus (23 ℃ are measured under 50% relative humidity) when 2.5% bullet becomes: 880MPa～900MPa
Length growth rate scope (23 ℃ are measured under 50% relative humidity): 22%～25%
Tensile strength range (measuring down for 23 ℃): 32MPa～34MPa
State of cure (the UV dosage when reaching 95% final secant modulus): 0.29J/cm
2～0.35J/cm
2
B, fibre ribbon be coated with resins layer by layer outward
Liquid range of viscosities (measuring down for 25 ℃): 4980cps～5050cps
Solidify back (solids coating) dynamic mechanical analysis (DMA):
E
`Temperature range during=1000MPa: 7～9 ℃
E
`Temperature range during=100MPa: 65～70 ℃
Secant modulus (23 ℃ are measured under 50% relative humidity) when 2.5% bullet becomes: 280MPa～290MPa
Length growth rate scope (23 ℃ are measured under 50% relative humidity): 16%～18%
Tensile strength range (measuring down for 23 ℃): 18MPa～22MPa
State of cure (the UV dosage when reaching 95% final secant modulus): 0.65J/cm
2～0.72J/cm
2
4, production run
(1) optical fiber coloring step: according to the optical fiber coloring parameter optical fiber is carried out paintedly, guarantees that the optical fiber coloring laminar surface is smooth, color clear, evenly, solidify good, coloring printing ink degree of cure 〉=85%; Painted speed of production is 800m/min, and corresponding UV luminous power is 4000W;
(2) optical fiber and be with step: be a subelement with fibre ribbon with 4 cores or 8 cores (being up to 12 cores), be illustrated in figure 1 as zigzag 12 core fibre bands, if fiber number surpasses 12 cores, then merge by above-mentioned fibre ribbon subelement, as shown in Figure 2; The control of fibre ribbon internal layer UV resin solidification degree is 88%～92%; The control of the outer UV resin solidification of fibre ribbon degree is 82%～88%; Fibre ribbon internal layer speed of production is 200m/min, and corresponding UV luminous power is: UV1=3200W, UV2=2999W; The outer speed of production of fibre ribbon is 100m/min, and corresponding UV luminous power is: UV1=3333W, UV2=3195W.
Product of the present invention has following characteristics:
A. manually peel off characteristics: the stripping of changing hands, can free-hand fibre ribbon in all optical fiber can disposablely peel off more than 1 meter, the surface does not adhere to coated with resins; Do not have disconnected fibre when coat is peeled off, optical fiber coloring layer nothing continuously comes off;
B. hot soarfing is from characteristics:
(a) integral body is peeled off: use the Auto stripper stripping apparatus of Korea S ILSINTECH company that fibre ribbon is heated between 100 ℃～120 ℃, be 2 ~ 6 seconds heat time heating time, can with a segment length greater than binding material, the optical fiber coloring layer of the fibre ribbon of 35mm, coat is disposable peels off, peeling off the back optical fiber surface, not have coating material residual;
(b) put in a skylight and peel off: use the Auto stripper stripping apparatus of Korea S ILSINTECH company that fibre ribbon is heated between 100 ℃～120 ℃, be 2 ~ 6 seconds heat time heating time, can be with a segment length greater than the binding material of the fibre ribbon of 30mm, optical fiber coloring layer, optical fiber coating with respect to the whole displacement 20mm of fibre cladding and optical fiber surface does not have remaining coating, equidistant between optical fiber and the optical fiber, there is not disconnected fibre, as shown in Figure 2.
Invention effect of the present invention and purpose:
1, this fibre ribbon binding material embrittlement cracking problem behind the 0.07mw ultraviolet radiation;
2, the present invention quotes ribbon-unit formula concept, by each subelement reasonable combination increase along separate routes than, realize the PLC chip along separate routes ability reach 1:128, provide directive significance for making PLC with fibre ribbon;
3, be convenient to fibre ribbon manufacturer and improve by material improvement, technology and structure, produce and be suitable for the qualified fibre ribbon that the PLC chip is used, as shown in Figure 3, be applied to design sketch in the PLC device for easily peeling off fibre ribbon;
4, perfect PLC is to reduce accident resulting from poor quality of projects with the method for inspection of fibre ribbon, and for fibre ribbon type selecting and construction provide the technological guidance, specific performance requires as follows:
(1) anti-torsion ability of fibre ribbon
A. apply greater than the tension force of 1N at 15mm segment length's fibre ribbon two ends arbitrarily, with the dextrorotation turnback, get back to initial position another mistake hour hands Rotate 180 degree, and then to get back to initial position be a circulation, 1 circulation repeatedly, fibre ribbon surface flawless;
B. apply greater than the tension force of 2N at 80mm segment length's fibre ribbon two ends arbitrarily, with the dextrorotation turnback, get back to initial position another mistake hour hands Rotate 180 degree, and then to get back to initial position be a circulation, 5 circulations repeatedly, fibre ribbon surface flawless, binding material and optical fiber coloring layer do not come off;
(2) the anti-UV performance of fibre ribbon
Certain segment length's fibre ribbon was placed in the ultraviolet light polymerization case of 0.07mw 30 minutes, the anti-torsion ability of fibre ribbon does not have significant change;
(3) fibre ribbon does not have obvious natural torsion phenomenon, appoints to get one section 1 meter sample and be positioned on the horizontal table top, and windup-degree is less than 15 degree;
5, this fibre ribbon can be applicable to signal connection in the optical device, can tolerate 80 ℃ of high temperature, uses under 80% humidity environment.
The above, it only is exemplary embodiments of the present invention, be not that technical scope of the present invention is imposed any restrictions, any trickle modification, equivalent variations and modification that every foundation technical spirit of the present invention is made above enforcement all still belong in the technical scheme scope of the present invention.
Claims (7)
1. easily peel off fibre ribbon for one kind, it is characterized in that: the binding material, optical fiber coloring layer, the optical fiber coating that comprise fiber cores, fibre ribbon, fibre ribbon covering, fibre ribbon;
Wherein, fibre ribbon with 4 cores or 8 cores, to be up to 12 cores be a subelement;
Wherein, the fibre ribbon from-inner-to-outer comprises binding material, optical fiber coloring layer, optical fiber coating and whole covering;
Wherein, the outside surface indention of fibre ribbon has the class serrate and opens the stripping groove;
Wherein, optical fiber coloring material printing ink or ink resin material, fibre coating material is liquid resin.
2. easily peel off the fibre ribbon manufacture method for one kind, it is characterized in that may further comprise the steps:
Step (1) is carried out painted to optical fiber, the mean value of described optical fiber coating peeling force satisfies 1 ~ 3N, and the peak value of coat peeling force satisfies 1 ~ 5N;
Step (2) is carried out optical fiber and is with, with fibre ribbon with 4 cores or 8 cores, to be up to 12 cores be a subelement, if fiber number surpasses 12 cores, then merge by above-mentioned fibre ribbon subelement;
Step (3) uses the serrate stock mould that fibre ribbon is finalized the design, so that the fibre ribbon appearance forms the serrate appearance.
3. method according to claim 2 is characterized in that further comprising step:
Colored optical fiber is applied printing ink outward, and the degree of cure of described printing ink is 85%～95%, optical fiber and when being with, and fibre ribbon internal layer UV resin solidification degree is controlled 85%～95%, and the control of the outer UV resin solidification of fibre ribbon degree is 80%～90%.
4. method according to claim 2 is characterized in that:
The range of viscosities that optical fiber is carried out painted ink resin material is 2000 ~ 3000 cps; The particle diameter range is 0-2 μ m; Tensile strength range is 25 ~ 35MPa; The fracture elongation scope is 2% ~ 5%; Specific modulus ranges is 600 ~ 1000MPa; The cure shrinkage scope is 2%～7%.
5. method according to claim 2 is characterized in that:
The liquid range of viscosities of fibre ribbon outermost resin material is 4900 ~ 5100cps; Temperature range when dynamic mechanical analysis is 1000MPa after solidifying is 0～10 ℃; Temperature range when dynamic mechanical analysis is 100MPa after solidifying is 60～70 ℃; Secant modulus scope when 2.5% bullet becomes is 260～300MPa; The length growth rate scope is 10%～20%; Tensile strength range is 15～25MPa; State of cure is 0.6 ~ 0.8J/ cm
2
6. method according to claim 2 is characterized in that:
The liquid range of viscosities of the internal layer coated with resins material of fibre ribbon is 4800 ~ 4900cps; Temperature range when dynamic mechanical analysis is 1000MPa after solidifying is 30～40 ℃; Temperature range when dynamic mechanical analysis is 100MPa after solidifying is 55～65 ℃; Secant modulus when 2.5% bullet becomes is 850～950MPa; The length growth rate scope is 20%～30%; Tensile strength range is 30～40MPa; State of cure is 0.25 ~ 0.35J/cm
2
7. method according to claim 2 is characterized in that:
The control of UV light spectral limit is between 200～300nm during colored optical fiber, the ratio of speed of production and UV lamp power is at 0.15 m/(minw)～0.42m/(minw) between, easily peel off the control of fibre ribbon UV light spectral limit between 350 ~ 400nm, internal layer and with the ratio of speed of production and UV lamp power at 0.45～0.75 m/(minw) between, outer and with the ratio of speed of production and UV lamp power at 0.15～0.55 m/(minw) between.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666787A (en) * | 2016-04-12 | 2016-06-15 | 深圳市特发信息股份有限公司 | Mould for multilayer optical fiber ribbon |
| CN106019504A (en) * | 2016-07-10 | 2016-10-12 | 南京华信藤仓光通信有限公司 | Lateral pressure withstanding optical fiber ribbon and its production method |
| CN110927875A (en) * | 2019-12-13 | 2020-03-27 | 南京华信藤仓光通信有限公司 | Manufacturing method of skylight-opened optical fiber ribbon |
| CN114740579A (en) * | 2022-05-18 | 2022-07-12 | 南京华信藤仓光通信有限公司 | Optical fiber ribbon for skeleton optical cable and manufacturing method thereof |
| CN115308862A (en) * | 2022-08-08 | 2022-11-08 | 富通特种光缆(天津)有限公司 | Optical fiber ribbon capable of being wound and adhesive dispensing device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110927875A (en) * | 2019-12-13 | 2020-03-27 | 南京华信藤仓光通信有限公司 | Manufacturing method of skylight-opened optical fiber ribbon |
| CN114740579A (en) * | 2022-05-18 | 2022-07-12 | 南京华信藤仓光通信有限公司 | Optical fiber ribbon for skeleton optical cable and manufacturing method thereof |
| CN115308862A (en) * | 2022-08-08 | 2022-11-08 | 富通特种光缆(天津)有限公司 | Optical fiber ribbon capable of being wound and adhesive dispensing device thereof |
| CN115308862B (en) * | 2022-08-08 | 2023-08-25 | 富通特种光缆(天津)有限公司 | Reelable optical fiber ribbon and adhesive dispensing device thereof |
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Application publication date: 20130807 |