WO2019085547A1 - 多芯陶瓷插针 - Google Patents

多芯陶瓷插针 Download PDF

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Publication number
WO2019085547A1
WO2019085547A1 PCT/CN2018/095681 CN2018095681W WO2019085547A1 WO 2019085547 A1 WO2019085547 A1 WO 2019085547A1 CN 2018095681 W CN2018095681 W CN 2018095681W WO 2019085547 A1 WO2019085547 A1 WO 2019085547A1
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mass
parts
ceramic pin
core ceramic
groove
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PCT/CN2018/095681
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English (en)
French (fr)
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刘东洋
陈亮
庄伟�
郝秋芹
徐力
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江苏通鼎宽带有限公司
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Publication of WO2019085547A1 publication Critical patent/WO2019085547A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3834—Means for centering or aligning the light guide within the ferrule
    • G02B6/3838—Means for centering or aligning the light guide within the ferrule using grooves for light guides
    • G02B6/3839—Means for centering or aligning the light guide within the ferrule using grooves for light guides for a plurality of light guides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40—Metallic constituents or additives not added as binding phase

Definitions

  • the present disclosure relates to the field of communications technology, for example, to a multi-core ceramic pin.
  • MT Mechanical Transfer
  • MPO/MTP Multi-fiber Termination Push on/Pull off
  • the pin is used for the transmission interface of 40 Gigabit (G)/100G optical modules and is widely used in the field of optical communication.
  • the MT pins on the market are all made of polyphenylene sulfide (PPS) plastic injection molding. On the one hand, the precision of mold processing is very high. On the other hand, although the PPS material itself has good heat resistance and resistance.
  • PPS polyphenylene sulfide
  • the application provides a multi-core ceramic pin to prevent fiber breakage, effectively reduce the defect rate of the production product, improve the mechanical and environmental performance of the product, and improve the long-term reliability of the product.
  • the yttria-doped yttria ceramic material comprises the following components, and the parts by mass of each component are within a corresponding mass fraction:
  • Zirconium oxide 70 to 80 parts by mass; silica: 1 to 5 parts by mass; alumina: 10 to 18 parts by mass; lanthanum: 0.3 to 1.2 parts by mass; and, lanthanum: 0.3 to 1.2 parts by mass .
  • the zirconia ceramic material comprises the following components, and each component has the following corresponding parts by mass:
  • Zirconium oxide 75 parts by mass; silica: 3 parts by mass; alumina: 15 parts by mass; ⁇ : 0.7 parts by mass; and, ⁇ : 0.7 parts by mass.
  • one end of the multi-core ceramic pin is provided with a strip-shaped groove
  • the strip-shaped groove is provided with a groove bottom having a V-shaped cross section
  • the groove bottom is provided with a plurality of through-hole holes for the passage of the ribbon-shaped optical fiber.
  • the two sides of the strip groove are respectively provided with fixed through holes arranged for the guide pins to pass through, and each of the through hole holes and each of the fixed through holes penetrates the multi-core ceramic pins in the extending direction of the strip-shaped grooves.
  • the multi-core ceramic pin includes an integrally formed end and a body, the slot of the strip-shaped recess being formed in the intermediate portion of the tip.
  • the bottom tip of the groove bottom is provided with an angular line extending along the length of the strip groove, and the plurality of through hole grooves are arranged along the angular line.
  • the number of through hole slots is twelve.
  • the notch of the strip groove is rectangular.
  • the fixed through hole extends through the tip and the body.
  • the multi-core ceramic pin made of zirconia material doped with rare earth elements such as lanthanum and cerium provided by the present application enhances the resistance of the zirconia material to phase transformation, has a precise structure, and effectively improves the reliability of the product. It has outstanding features such as high quality, good anti-aging performance and strong environmental adaptability. For MPO/MTP fiber optic connectors or 40G/100G optical modules, it can effectively reduce the defect rate of production products, improve the mechanical and environmental performance of products, and improve the long-term reliability of products.
  • FIG. 1 is a side view of a multi-core ceramic pin provided by an embodiment of the present application.
  • FIG. 2 is a rear elevational view of a multi-core ceramic pin provided by an embodiment of the present application
  • FIG 3 is a front elevational view of a multi-core ceramic pin provided in accordance with an embodiment of the present application.
  • MTP/MTP connectors According to international standards, high-density MPO/MTP connectors have become the standard interface for 40G and 100G Ethernet transmission.
  • the multi-core fiber connection standard represented by MTP/MPO is a standard for miniaturized high-density fiber optic connectors.
  • the single connector is equipped with multi-core ribbon fiber, which has high density and stable and reliable connection.
  • MTP/MPO high-density wiring system terminates and tests high-density fiber optic connectors and ribbon cables in the factory, plug and play in the field and equipment, supports rapid deployment of user data centers, and is a growing data center with high capacity.
  • the ideal solution in the context of wiring requirements with simple installation, fast construction, compact design, high precision and plug and play.
  • the MT multi-core pin used in the MPO/MTP fiber optic connector is also used for the transmission interface of the 40G/100G optical module, and is widely used in the field of optical communication.
  • the multi-core ceramic pin provided by the present application is made of yttria-doped yttria ceramic material.
  • the composite has a small crystal grain size and is easy to realize micron-scale processing, which can ensure the insertion dimensional accuracy requirements, high strength and corrosion resistance, and low wear resistance during use.
  • the resistance of the material to phase transformation is enhanced on the basis of the original advantages, so that the formed zirconia ceramic material has better thermal stability and toughness.
  • the cerium-doped cerium-doped zirconia ceramic material comprises the following components, and the parts by mass of each component are in the corresponding parts by mass, zirconia: 70-80 parts by mass; silica: 1 ⁇ 5 parts by mass; alumina: 10 to 18 parts by mass; ⁇ : 0.3 to 1.2 parts by mass; and, ⁇ : 0.3 to 1.2 parts by mass.
  • the yttria-doped yttria ceramic material can be formed into a special pin structure, and the multi-core ceramic pin 1 is provided with a strip groove at one end thereof.
  • the strip groove is provided with a groove bottom having a V-shaped cross section, and the groove bottom is provided with a plurality of through hole hole grooves 110 through which the strip-shaped optical fibers pass, and two sides of the strip-shaped grooves of the multi-core ceramic pin 1 are respectively provided
  • the through holes 120 are provided for the passage of the guide pins, and each of the through hole grooves 110 and each of the fixed through holes 120 penetrates the multi-core ceramic pin 1 in the extending direction of the strip groove.
  • the ribbon fiber passes through the through hole slot 110 at the bottom of the V-shaped groove and is fixed in the strip groove by the curing glue.
  • the groove bottom with a V-shaped cross section avoids the stepped structure of other multi-core pins on the market, which is more conducive to the precise positioning of the optical fiber and meets the requirements for the preparation of precision parts.
  • the strip groove can further protect the fiber from external forces that cause the fiber to break.
  • the multi-core ceramic pin 1 includes an integrally formed end 20 and a body 10, the notch of the strip groove being the intermediate portion of the tip 20, the notch extending from the end 20 to the interior of the multi-core ceramic pin 1, and The formation of the groove bottom is stopped at the corresponding position of the main body 10.
  • the size (length and width) of the tip 20 is designed to be larger than the size of the main body 10, which serves to increase the thickness and strengthen the chipping phenomenon of the ceramic pin during use.
  • the bottom end of the groove bottom is provided with an angle line 100 extending along the length of the strip groove, and a plurality of through hole holes 110 are arranged along the angle line 100.
  • the plurality of through-hole recesses 110 are designed to be disposed along the corner line 100 of the groove bottom, so as to facilitate accurate positioning of the penetration position of the optical fiber, and the product yield rate of the ceramic pin in mass production can be improved.
  • the fixed through hole 120 is used for docking and fixing when assembled into a fiber connector.
  • the butt joint can be made more stable.
  • the slot of the strip groove is rectangular, and the groove bottom of the strip groove having a V-shaped cross section can accommodate 12 through hole slots 110, and can be provided with a twelve-core ribbon fiber.

Abstract

一种多芯陶瓷插针(1)，其由掺杂钇和铈的氧化锆陶瓷材料制成。掺杂钇和铈的氧化锆陶瓷材料包括以下组分，且每种组分的质量份数在相应的质量份数范围内：氧化锆70～80个质量份；二氧化硅：1～5个质量份；氧化铝：10～18个质量份；钇：0.3～1.2个质量份；以及，铈：0.3～1.2个质量份。

Description

多芯陶瓷插针 技术领域
本公开涉及通信技术领域，例如涉及一种多芯陶瓷插针。
背景技术
多芯光纤推拉/多芯光纤终端推拉(Multi-fiber Push on/Pull off/Multi-fiber Termination Push on/Pull off，MPO/MTP)连接器所用的机械转接(Mechanical Transfer，MT)多芯插针，用于40千兆(G)/100G光模块的传输接口，在光通信领域应用十分广泛。市场上的MT插针都是采用聚苯硫醚(Polyphenylene Sulfide，PPS)塑料注塑加工而成，一方面对模具加工精度要求很高，另一方面PPS材料本身虽然具有良好的耐热性、抗腐蚀性以及比较稳定的尺寸性能，且刚性很好，但强度一般，质脆，易产生应力脆裂，生产研磨过程或是使用过程中易产生崩边等不良，从而导致产品报废；同时MT插针在与光纤以及胶水固化成成品后，在受到环境变化时，因为塑料件与光纤不同膨胀系数的变化，容易导致光纤受力，从而使产品失效。
发明内容
本申请提供一种多芯陶瓷插针，以防止光纤断纤，有效降低生产产品不良率，提高了产品的机械性能和环境性能，提高产品的长期可靠性。
一种多芯陶瓷插针，该多芯陶瓷插针由掺杂钇和铈的氧化锆陶瓷材料制成，且多芯陶瓷插针采用V形槽结构设计。
在一实施例中，掺杂钇和铈的氧化锆陶瓷材料包括以下组分，且每种组分的质量份数在相应的质量份数范围内：
氧化锆：70～80个质量份；二氧化硅：1～5个质量份；氧化铝：10～18个质量份；钇：0.3～1.2个质量份；以及，铈：0.3～1.2个质量份。
在一实施例中，氧化锆陶瓷材料包括以下组分，且每种组分具有以下相应的质量份数：
氧化锆：75个质量份；二氧化硅：3个质量份；氧化铝：15个质量份；钇：0.7个质量份；以及，铈：0.7个质量份。
在一实施例中，多芯陶瓷插针的一端设有条形凹槽，条形凹槽设有截面为V形的槽底，槽底设有供带状光纤通过的多个通孔孔槽，条形凹槽的两侧分别设有设置为供导针穿过的固定通孔，每个通孔孔槽和每个固定通孔沿条形凹槽的延伸方向贯穿多芯陶瓷插针。
在一实施例中，多芯陶瓷插针包括一体成型的端头和主体，条形凹槽的槽口开设于端头的中间部位。
在一实施例中，槽底的底部尖端设有沿条形凹槽的长度方向延伸的角线，多个通孔孔槽沿角线排列。
在一实施例中，通孔孔槽的个数为12个。
在一实施例中，条形凹槽的槽口为长方形。
在一实施例中，固定通孔贯穿端头和主体。
本申请提供的由掺杂钇和铈等稀土元素的氧化锆材料制成的多芯陶瓷插针，增强了氧化锆材料对相转变的抵抗性，结构精密，有效地提高了产品的可靠性，具有接续质量高、抗老化性能好以及环境适应性强等显著特点。用于MPO/MTP光纤连接器或是40G/100G光模块上，可以有效降低生产产品不良率，提高了产品的机械性能和环境性能，提高产品的长期可靠性。
附图说明
图1示出了本申请一实施例提供的多芯陶瓷插针的侧视图；
图2示出了本申请一实施例提供的多芯陶瓷插针的后视图；
图3示出了本申请一实施例提供的多芯陶瓷插针的正视图。
具体实施方式
下面将参照附图描述本公开的示例性实施方式。虽然附图中显示了本公开的示例性实施方式，然而应当理解，可以以多种形式实现本公开而不应被这里阐述的实施方式所限制。
云计算以及大数据的发展之势如火如荼，而提供云计算服务的数据中心的最大特点就是“超大规模”，像大型互联网企业以及传统运营商的数据中心，这些数据中心的云计算数据中心往往有超过几十万甚至上百万服务器的规模，大容量、高数据传输速率、节能以及可靠性等等都是数据中心更高的要求。网络 系统的数据吞吐量在不断增长，40千兆/秒(Gb/s)系统的使用也越来越广泛，数据中心对数据传输速率的要求也越来越高，支持40G和100G的以太网传输成为了数据中心布线系统的发展趋势。传统的光纤连接器很难从芯数上和小型化上满足高速网络标准中定义的多芯要求，在性能上也差强人意。据国际标准的规定，高密度的MPO/MTP连接器已成为了40G和100G以太网传输的标准接口。以MTP/MPO为代表的多芯光纤连接标准是小型化高密度光纤连接器标准，单个连接器配备多芯带状光纤，密度大且连接稳定可靠。MTP/MPO高密度配线系统将高密度光纤连接器与带状光缆在工厂完成端接以及测试，在现场与设备即插即用，支持用户数据中心快速部署，是日益增长的数据中心高容量配线需求背景下的理想解决方案，具有安装简单、施工快捷、设计紧凑、精度高以及即插即用等特点。
MPO/MTP光纤连接器所用的MT多芯插针，同样用于40G/100G光模块的传输接口，在光通信领域应用十分广泛。
本申请提供的多芯陶瓷插针，由掺杂钇和铈的氧化锆陶瓷材料制成。该复合材料晶粒小，易于实现微米级的加工，能够保证插针对尺寸精度的要求，并且强度高以及耐腐蚀，在使用过程中的耐磨损率低。此外，由于加入了稀土元素钇和铈，在原有的优势基础上更增强了材料对相转变的抵抗性，使形成的氧化锆陶瓷材料具有更加良好的热稳定性和韧性。
该掺杂钇和铈的氧化锆陶瓷材料包括以下组分，且每种组分的质量份数在相应的质量份数范围内，氧化锆：70～80个质量份；二氧化硅：1～5个质量份；氧化铝：10～18个质量份；钇：0.3～1.2个质量份；以及，铈：0.3～1.2个质量份。
基于材料韧性的加强，如图1～图3所示，该掺杂钇和铈的氧化锆陶瓷材料能够制成特殊的插针结构，该多芯陶瓷插针1的一端设有条形凹槽，条形凹槽设有截面为V形的槽底，槽底设有供带状光纤通过的多个通孔孔槽110，多芯陶瓷插针1的条形凹槽的两侧分别设有设置为供导针穿过的固定通孔120，每个通孔孔槽110和每个固定通孔120沿条形凹槽的延伸方向贯穿多芯陶瓷插针1。
使用时，带状光纤通过位于截面为V型的槽底的通孔孔槽110，并被固化胶水固定在条形凹槽内。相对于普通插针的台阶式结构，使用具有截面为V形 的槽底，避免了市场上其它多芯插针的台阶式结构，更利于光纤的精确定位，满足精密零件的制备要求。条形凹槽还能够进一步保护光纤，避免外力使光纤断裂。
多芯陶瓷插针1包括一体成型的端头20和主体10，条形凹槽的槽口为端头20的中间部分，槽口由端头20向多芯陶瓷插针1的内部延伸，并在主体10的对应位置停止形成槽底。
通常情况下，端头20的尺寸(长度和宽度)设计成大于主体10的尺寸，起到增厚加强的作用，能够减少陶瓷插针在使用过程中的崩边现象。
槽底的底部尖端设有沿条形凹槽的长度方向延伸的角线100，多个通孔孔槽110沿着角线100排列。多个通孔空槽110设计成沿着槽底的角线100设置，便于对光纤的穿入位置得以精确定位，能够提高批量生产时陶瓷插针的产品合格率。
固定通孔120用于组装成光纤连接器时对接固定，当固定通孔120贯穿端头20和主体10时，能够使对接更加稳固。
在一个具体的实施例中，条形凹槽的槽口为长方形，条形凹槽的截面为V形的槽底能够容纳12个通孔孔槽110，可以配备十二芯带状光纤。
以上所述，仅为本申请的具体实施方式。

Claims (9)

  1. 一种多芯陶瓷插针，所述多芯陶瓷插针(1)由掺杂钇和铈的氧化锆陶瓷材料制成。
  2. 如权利要求1所述的多芯陶瓷插针，其中，所述掺杂钇和铈的氧化锆陶瓷材料由以下原料烧结制备而成，且每种原料的质量份数在相应的质量份数范围内：
    氧化锆：70～80个质量份；二氧化硅：1～5个质量份；氧化铝：10～18个质量份；钇：0.3～1.2个质量份；以及，铈：0.3～1.2个质量份。
  3. 如权利要求2所述的多芯陶瓷插针，其中，所述掺杂钇和铈的氧化锆陶瓷材料包括以下组分且每种组分具有以下相应的质量份数：
    氧化锆：75个质量份；二氧化硅：3个质量份；氧化铝：15个质量份；钇：0.7个质量份；以及，铈：0.7个质量份。
  4. 如权利要求1、2或3所述的多芯陶瓷插针，其中，
    所述多芯陶瓷插针(1)的一端设有条形凹槽，所述条形凹槽设有截面为V形的槽底，所述槽底设有供带状光纤通过的多个通孔孔槽(110)，所述多芯陶瓷插针(1)的所述条形凹槽的两侧分别设有设置为供导针穿过的固定通孔(120)，每个所述通孔孔槽(110)和每个所述固定通孔(120)沿所述条形凹槽的延伸方向贯穿所述多芯陶瓷插针(1)。
  5. 如权利要求4所述的多芯陶瓷插针，其中，
    所述多芯陶瓷插针(1)包括一体成型的端头(20)和主体(10)，所述条形凹槽的槽口开设于所述端头(20)的中间部位。
  6. 如权利要求4或5所述的多芯陶瓷插针，其中，
    所述槽底的底部尖端设有沿所述条形凹槽的长度方向延伸的角线(100)，所述多个通孔孔槽(110)沿着所述角线(100)排列。
  7. 如权利要求4、5或6所述的多芯陶瓷插针，其中，
    所述通孔孔槽(110)的个数为12个。
  8. 如权利要求4-7任一项所述的多芯陶瓷插针，其中，
    所述条形凹槽的槽口为长方形。
  9. 如权利要求5或6所述的多芯陶瓷插针，其中，
    所述固定通孔(120)贯穿所述端头(20)和主体(10)。
PCT/CN2018/095681 2017-10-30 2018-07-13 多芯陶瓷插针 WO2019085547A1 (zh)

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