CN102346276A - Optical fiber coupling connector and manufacture method thereof - Google Patents

Optical fiber coupling connector and manufacture method thereof Download PDF

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Publication number
CN102346276A
CN102346276A CN2010102413049A CN201010241304A CN102346276A CN 102346276 A CN102346276 A CN 102346276A CN 2010102413049 A CN2010102413049 A CN 2010102413049A CN 201010241304 A CN201010241304 A CN 201010241304A CN 102346276 A CN102346276 A CN 102346276A
Authority
CN
China
Prior art keywords
optical
optical fiber
moulding
mating
hole
Prior art date
Application number
CN2010102413049A
Other languages
Chinese (zh)
Inventor
林奕村
Original Assignee
鸿富锦精密工业(深圳)有限公司
鸿海精密工业股份有限公司
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.)
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Application filed by 鸿富锦精密工业(深圳)有限公司, 鸿海精密工业股份有限公司 filed Critical 鸿富锦精密工业(深圳)有限公司
Priority to CN2010102413049A priority Critical patent/CN102346276A/en
Publication of CN102346276A publication Critical patent/CN102346276A/en

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Abstract

The invention discloses a manufacture method for an optical fiber coupling connector, which comprises the following steps: providing a first mold cavity; injecting first shaping material into the first mold cavity; after the first shaping material is shaped, removing the first mold cavity to obtain an optical fiber part, wherein the optical fiber part is provided with a through hole; providing a second mold cavity and a second shaping material; and manufacturing an optical element part by the second mold cavity and the second shaping material, wherein the optical element part comprises an optical element. The melting point of the second shaping material is higher than the melting point of the first shaping material; at the same temperature, the flowability of the second shaping material is lower than the flowability of the first shaping material; the optical element part and the optical fiber part are assembled into a whole; and the through hole aims at the optical element. The invention also provides an optical fiber coupling connector obtained with the manufacture method.

Description

Optical fiber coupled connector and manufacturing approach thereof

Technical field

The present invention relates to comprise the device of optical fiber and other optical element, relate in particular to the manufacturing approach of a kind of optical fiber coupled connector and this optical fiber coupled connector.

Background technology

USB (Universal Serial Bus, USB) is a serial bus standard that connects external unit, uses extensively on computers, but also can be used on STB and the game machine.Additional standard (On-The-Go) can be used in it can take direct swap data between the equipment.The initial system of USB advocates initiation by Intel and Microsoft, and its maximum characteristics are to support hot plug (Hot plug) and plug and play (Plug & Play).When equipment inserted, main frame was enumerated (enumerate) this equipment and is loaded required driver, and it is upward convenient more than PCI and isa bus therefore to use.In the primary standard, the maximum transmitted frequency range of USB 1.1 is 12Mbps, and the maximum transmitted frequency range of USB 2.0 is 480Mbps.

Yet this transmitting bandwidth can't satisfy the requirement of current transmission mass data, and therefore, the optical fiber coupled connector arises at the historic moment.The optical fiber coupled connector generally is divided into fiber section and lens component, and fiber section is provided with blind hole and is used to place optical fiber, and fiber section and lens component are one-body molded.So because the requirement of lens surface precision is very high, if with fiber section moulding simultaneously; Just be difficult to guarantee the moulding yield of lens, especially at the breaking place of going into son, the material of lens is difficult to penetrate full; Lens position forms holes easily, causes the performance degradation of optical fiber coupled connector.

In addition; Traditional optical fiber coupled connector is for taking into account fiber section and lens component, and it is one-body molded that common employing is injected into mould with the high-intensity plastics of a kind of lazy flow, still; The highstrenghtpiston at high temperature; Separate out foreign matter at the blind hole end face easily, influence the quality of lens and the coupling efficiency of fiber section and lens component, reduce the production yield of optical fiber coupled connector.

Summary of the invention

In view of this, the method that is necessary that a kind of high-quality optical fiber coupled connector is provided and makes this optical fiber coupled connector.

A kind of manufacturing approach of optical fiber coupled connector, it may further comprise the steps: one first die is provided; A kind of first moulding material is injected this first die, treat that sloughing this first die after this first moulding material formalizes obtains an optical fiber portion, this optical fiber portion has a through hole; One second die and a kind of second moulding material are provided; Adopt this second die, this second moulding material to make an optical element portion; This optical element portion comprises an optical element; Wherein, the fusing point of this second moulding material is higher than the fusing point of this first moulding material, and the flowability of this second moulding material is lower than the flowability of this first moulding material under the same temperature; This optical element portion and this optical fiber portion are assembled into one, and make this optical element of this through-hole alignment.

A kind of optical fiber coupled connector; Comprise: an optical fiber portion; This optical fiber portion comprises one first mating surface and a through hole, and this through hole is used for ccontaining a branch of optical fiber, and this through hole has an inlet and an outlet relative with this inlet; This outlet is positioned at this first mating surface, and this optical fiber portion is formed by first moulding material; And optical element portion; This optical element portion comprises one second mating surface and one and this opposing optical element in second mating surface position; This optical element is used for extraneous light imported in this optical fiber maybe derives the light in this optical fiber; This second mating surface fits with this first mating surface and this optical element is aimed in this outlet; This optical element portion is formed by second moulding material, and the fusing point of this second moulding material is higher than the fusing point of this first moulding material, and the flowability of this second moulding material is lower than the flowability of this first moulding material under the same temperature.

Compared to prior art; The present invention separately makes the optical fiber portion of optical fiber coupled connector and optical element portion; And utilize one second mating surface of optical element portion to paste mutually with first mating surface of optical fiber portion; Thereby form blind hole and place optical fiber, the low problem of blind hole yield that occurs when avoiding directly making blind hole; Optical fiber portion and optical element portion select the material that is fit to respectively according to its product performance demand, can improve the moulding yield and the product quality of optical fiber coupled connector, adapt to the volume production demand.

Description of drawings

Fig. 1 is the schematic perspective view of the optical fiber coupled connector that provides of the embodiment of the invention.

Fig. 2 is the three-dimensional exploded view of optical fiber coupled connector shown in Figure 1.

Fig. 3 is the three-dimensional cutaway view of optical fiber coupled connector shown in Figure 1.

Fig. 4 is a method flow diagram of making the optical fiber coupled connector that the embodiment of the invention provides.

The main element symbol description

Optical fiber coupled connector 10

Optical fiber portion 20

Outside surface 21

First mating surface 22

Groove 23

Through hole 24

Inlet 241

Outlet 242

Guide pillar 25

Optical element portion 30

Second mating surface 32

Optical element 34

Embodiment

See also Fig. 1, Fig. 2 and Fig. 3, the optical fiber coupled connector 10 that the embodiment of the invention provides adopts light transmissive material to process, and it comprises an optical fiber portion 20 and an optical element portion 30.

This optical fiber portion 20 comprises one first mating surface 22 and at least one through hole 24.In the present embodiment, this optical fiber portion 20 has outside surface 21, and the middle part of this outside surface 21 forms a groove 23 to optical fiber portion 20 inner recess, and this first mating surface 22 is the bottom surface of this groove 23, and is parallel with this outside surface 21.This optical fiber portion 20 comprises four through holes.Each through hole 24 is used for ccontaining a branch of optical fiber (figure does not show).This through hole 24 has 241 and one of inlets and these 241 relative outlets 242 that enter the mouth, and this outlet 242 is positioned at this first mating surface 22.

This optical element portion 30 comprises one second mating surface 32 and one and these second mating surface, 32 opposed outer surface, and this outside surface is provided with a plurality of optical elements 34.

This optical element portion 30 is one-body molded, is positioned at this groove 23.The degree of depth of groove 23 equates with the thickness of this optical element portion 30 basically, makes that the outside surface of this optical element portion 30 is basic concordant with the outside surface 21 of this optical fiber portion 20, makes the structure of optical fiber coupled connector 10 more regular.In the present embodiment, the number of optical element 34 is identical with the number of through hole 24.Optical element 34 is used for extraneous light imported in this optical fiber maybe derives the light in this optical fiber.This second mating surface 32 fits with this first mating surface 22 and this optical element 34 is aimed in this outlet 242.This first mating surface 22 and second mating surface 32 are the plane.

Optical element 34 is convex lens in the present embodiment, when the light in the optical fiber after export 242 outgoing, become parallel rays through this optical element 34, this parallel rays gets into another optical element post-concentration and gets into and continue transmission in another optical fiber.

Optical fiber coupled connector 10 structurally can be plug or socket, cooperatively interacts with socket or plug and accomplishes the signal transmission.Outside surface 21 has two guide pillars 25, and these two guide pillars 25 are used to guide this optical fiber coupled connector 10 and a part (socket or plug) cooperation in addition.

Second mating surface 32 of optical element portion 30 and first mating surface 22 of optical fiber portion 20 are rectangle plane, so that make and assembling.But also can be other shape, bulge-structure and groove structure can also be set respectively on first, second mating surface, so that optical element portion 30 be fixed with optical fiber portion 20.

Through hole 24 align optical components 34 are meant that the optical axis of central axis and the optical element 34 of through hole 24 overlaps basically or deviation is not far, so that light low-loss transmission between optical fiber and optical element.

See also Fig. 4, the manufacturing approach of this optical fiber coupled connector 10 may further comprise the steps at least:

One first die is provided; A kind of first moulding material is injected this first die, treat that sloughing this first die after this first moulding material formalizes obtains an optical fiber portion, this optical fiber portion has a through hole; One second die and a kind of second moulding material are provided; Adopt this second die, this second moulding material to make an optical element portion; This optical element portion comprises an optical element; Wherein, the fusing point of this second moulding material is higher than the fusing point of this first moulding material, and the flowability of this second moulding material is lower than the flowability of this first moulding material under the same temperature; This optical element portion and this optical fiber portion are assembled into one, and make this optical element of this through-hole alignment.

This first moulding material can be PMMA (polymethylmethacrylate); PC (polycarbonate) etc.; This second moulding material then preferred high strength, to the specific wavelength light penetrance height high material of transfer efficiency in other words; For example, the Ultem resin, it can reach the penetrance more than 90% to specific wavelength.

Adopt first moulding material of high fluidity to make optical fiber portion and be difficult for producing short penetrating or the problem of holes, owing to needn't adopt the highstrenghtpiston to make optical fiber portion 20, therefore just the problem that at high temperature has foreign matter to separate out can not occur from the blind hole end face.On the other hand, employing is high-intensity by contrast can satisfy the requirement of optical element portion 30 in precision and surfaceness to the high material of specific wavelength light penetrance.

Because optical fiber portion 20 and optical element portion opened manufacturing in 30 minutes; Therefore find best condition of molding separately easily, and, compared with making blind hole; Be easier to because measure the collimation ratio of through hole, the optic fibre hole yield that therefore adopts manufacturing approach provided by the invention to obtain is higher.

This first moulding material and second moulding material are light transmissive material.Optical fiber portion 20 and optical element portion 30 can adopt the ejection formation manufacturing, and optical element portion 30 also can adopt the mode of imprinting moulding to make.

Optical fiber coupled connector provided by the invention comprises two independent parts of optical fiber portion and optical element portion; And utilize one second mating surface of optical element portion to paste mutually with first mating surface of optical fiber portion; Thereby form blind hole and place optical fiber, the low problem of blind hole yield that occurs when avoiding directly making blind hole.Because optical fiber portion and optical element portion make respectively, therefore can adopt material different manufacturing, improved the moulding yield, promoted the quality and the production of optical fiber coupled connector greatly.

It is understandable that those skilled in the art also can do other variation in spirit of the present invention, all should be included within the present invention's scope required for protection.

Claims (8)

1. the manufacturing approach of an optical fiber coupled connector, it may further comprise the steps:
One first die is provided;
A kind of first moulding material is injected this first die, treat that sloughing this first die after this first moulding material formalizes obtains an optical fiber portion, this optical fiber portion has a through hole;
One second die and a kind of second moulding material are provided; Adopt this second die, this second moulding material to make an optical element portion; This optical element portion comprises an optical element; Wherein, the fusing point of this second moulding material is higher than the fusing point of this first moulding material, and the flowability of this second moulding material is lower than the flowability of this first moulding material under the same temperature;
This optical element portion and this optical fiber portion are assembled into one, and make this optical element of this through-hole alignment.
2. the manufacturing approach of optical fiber coupled connector as claimed in claim 1 is characterized in that:
Make the central shaft of this through hole and the optical axis coincidence of this optical element.
3. optical fiber coupled connector comprises:
An optical fiber portion; This optical fiber portion comprises one first mating surface and a through hole, and this through hole is used for ccontaining a branch of optical fiber, and this through hole has an inlet and an outlet relative with this inlet; This outlet is positioned at this first mating surface, and this optical fiber portion is formed by first moulding material; And
An optical element portion; This optical element portion comprises one second mating surface and one and this opposing optical element in second mating surface position; This optical element is used for extraneous light imported in this optical fiber maybe derives the light in this optical fiber; This second mating surface fits with this first mating surface and this optical element is aimed in this outlet; This optical element portion is formed by second moulding material, and the fusing point of this second moulding material is higher than the fusing point of this first moulding material, and the flowability of this second moulding material is lower than the flowability of this first moulding material under the same temperature.
4. optical fiber coupled connector as claimed in claim 3 is characterized in that: this optical element is convex lens.
5. optical fiber coupled connector as claimed in claim 3 is characterized in that: this optical fiber portion has a groove, and this first mating surface is the bottom surface of this groove, and this optical element portion is placed in this groove.
6. optical fiber coupled connector as claimed in claim 5 is characterized in that: the degree of depth of this groove equates with the thickness of this optical element portion basically.
7. optical fiber coupled connector as claimed in claim 3 is characterized in that: the optical axis of this optical element overlaps with the central shaft of this through hole.
8. optical fiber coupled connector as claimed in claim 3 is characterized in that: this first mating surface and second mating surface are the plane.
CN2010102413049A 2010-07-30 2010-07-30 Optical fiber coupling connector and manufacture method thereof CN102346276A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102413049A CN102346276A (en) 2010-07-30 2010-07-30 Optical fiber coupling connector and manufacture method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102413049A CN102346276A (en) 2010-07-30 2010-07-30 Optical fiber coupling connector and manufacture method thereof

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103901544A (en) * 2012-12-28 2014-07-02 鸿富锦精密工业(深圳)有限公司 Optical fiber connector
CN103941350A (en) * 2013-01-23 2014-07-23 鸿富锦精密工业(深圳)有限公司 Fiber coupling connector
US9201201B2 (en) 2012-04-20 2015-12-01 Corning Cable Systems Llc Fiber trays, fiber optical modules, and methods of processing optical fibers
US9946032B2 (en) 2012-04-20 2018-04-17 Corning Optical Communications LLC Fiber optic modules having a fiber tray, optical-to-optical fiber optic connectors, and methods thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241612A (en) * 1991-09-17 1993-08-31 Fujitsu Limited Multicore optical connector
US6012852A (en) * 1996-12-18 2000-01-11 The Whitaker Corporation Expanded beam fiber optic connector
CN1617004A (en) * 2003-11-13 2005-05-18 日本压着端子制造株式会社 Optical module
CN1711487A (en) * 2002-11-12 2005-12-21 安捷伦科技有限公司 Optical lenses
JP2007041222A (en) * 2005-08-02 2007-02-15 Sony Corp Optical coupler and optical connector
JP2007163969A (en) * 2005-12-15 2007-06-28 Sony Corp Optical coupler, optical connector and method for manufacturing optical coupler

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241612A (en) * 1991-09-17 1993-08-31 Fujitsu Limited Multicore optical connector
US6012852A (en) * 1996-12-18 2000-01-11 The Whitaker Corporation Expanded beam fiber optic connector
CN1711487A (en) * 2002-11-12 2005-12-21 安捷伦科技有限公司 Optical lenses
CN1617004A (en) * 2003-11-13 2005-05-18 日本压着端子制造株式会社 Optical module
JP2007041222A (en) * 2005-08-02 2007-02-15 Sony Corp Optical coupler and optical connector
JP2007163969A (en) * 2005-12-15 2007-06-28 Sony Corp Optical coupler, optical connector and method for manufacturing optical coupler

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9201201B2 (en) 2012-04-20 2015-12-01 Corning Cable Systems Llc Fiber trays, fiber optical modules, and methods of processing optical fibers
US9946032B2 (en) 2012-04-20 2018-04-17 Corning Optical Communications LLC Fiber optic modules having a fiber tray, optical-to-optical fiber optic connectors, and methods thereof
CN103901544A (en) * 2012-12-28 2014-07-02 鸿富锦精密工业(深圳)有限公司 Optical fiber connector
CN103941350A (en) * 2013-01-23 2014-07-23 鸿富锦精密工业(深圳)有限公司 Fiber coupling connector
CN103941350B (en) * 2013-01-23 2017-07-07 赛恩倍吉科技顾问(深圳)有限公司 Optical-fiber coupling connector

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Application publication date: 20120208