CN105278059B - Integrated optical-electric module for photoelectric conversion part and preparation method thereof - Google Patents
Integrated optical-electric module for photoelectric conversion part and preparation method thereof Download PDFInfo
- Publication number
- CN105278059B CN105278059B CN201510796375.8A CN201510796375A CN105278059B CN 105278059 B CN105278059 B CN 105278059B CN 201510796375 A CN201510796375 A CN 201510796375A CN 105278059 B CN105278059 B CN 105278059B
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- glass tube
- capillary glass
- photoelectric conversion
- hole
- termination
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Classifications
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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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4245—Mounting of the opto-electronic elements
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/428—Electrical aspects containing printed circuit boards [PCB]
Abstract
A kind of integrated optical-electric module for photoelectric conversion part and preparation method thereof, is related to broadcasting and TV and communications industry light-receiving and sends the integrated optical-electric module of the photoelectric coupling of product.Integrated optical-electric module includes photoelectric conversion chip (1), import optical fiber (2), one capillary glass tube (3) is set, capillary glass tube sets a through hole (31), through hole (31) is through the front end and end of capillary glass tube, the end of capillary glass tube sets one and can place the breach (33) of photoelectric conversion chip, optical fiber insertion through hole is imported to extend capillary glass tube end termination and fix, capillary glass tube end termination sets an inclined-plane (35), the termination of optical fiber is imported in capillary glass tube end end and one is set with capillary glass tube end termination bevel angle identical termination inclined-plane, capillary glass tube end termination is placed on the light sensation of photoelectric conversion chip (1) mouthful.The present invention improves photoelectric transformation efficiency, reduces production cost, is adapted to batch production.
Description
Technical field
The present invention relates to broadcasting and TV and communications industry light-receiving and the application field of the photoelectric coupling for sending product, more particularly to
For the integrated optical-electric module of photoelectric conversion part.
Background technology
Optical communication industry is come in the detector (reception) and laser (transmission) for receiving and launching link application coaxial packaging
Complete to receive and send work, it is necessary to the TO bases of precise measure, pipe cap, metalwork, ceramic insertion core and nitrogen charging hermetic seal weldering, swash
Light mash welder, manual coupling table etc. ensure the required precision to optical coupling.Parts size precision is high, expensive, in addition it is also necessary to
Substantial amounts of manual operations.Existing use naked fibre grinding technics, naked fibre coupling table needs more than 6 DOF, and grinding and coupling procedure are time-consuming
Arduously not environmentally, it is extremely inefficient.Existing photoelectric conversion chip erects attachment on circuit boards, but chip erects attachment process difficulty
Greatly.Especially FTTH markets, it is desirable to cost advantage and miniaturization and low power optical receiving.
The content of the invention
It is an object of the invention to provide a kind of low manufacture cost, it is steady quality, high conversion efficiency for photoelectricity turn
Change the integrated optical-electric module of part.
Another object of the present invention is to provide a kind of low manufacture cost, it is steady quality, high conversion efficiency for light
The integrated photoelectricity module making method of electric converting member.
The purpose of the present invention can be achieved in that a kind of integrated optical-electric module for photoelectric conversion part of design is wrapped
Include photoelectric conversion chip, import optical fiber, photoelectric conversion chip is fixed on substrate；One capillary glass tube, capillary glass tube are set
One through hole is set, and through the front end and end of capillary glass tube, the end of capillary glass tube sets one can place photoelectricity turn to through hole
The breach of chip is changed, through hole imports optical fiber insertion through hole and extend capillary glass tube end termination and fixed, glass above breach
Capillary end termination sets an inclined-plane, imports the termination of optical fiber in capillary glass tube end end and sets one and glass fiber
Tubule end termination bevel angle identical termination inclined-plane, capillary glass tube end termination is placed on the light sensation of photoelectric conversion chip
On mouth.
Further, breach is at least switched to through hole, and the termination for importing optical fiber is placed on the light sensation of photoelectric conversion chip mouthful.
Further, through hole sets insertion and leads mouth in insertion end.
Further, through hole is set along capillary glass tube length direction.
The purpose of the present invention can be achieved in that, design a kind of system of integrated optical-electric module for photoelectric conversion part
Make method, comprise the following steps：
A, preparation optical-electric module substrate, substrate are provided with photoelectric conversion chip；
B, one capillary glass tube of preparation, capillary glass tube bore a through hole, and through hole is set simultaneously along capillary glass tube length direction
Drill in the axle center area of capillary glass tube, the end of capillary glass tube is cut and puts a breach；
C, importing optical fiber in capillary glass tube front end insertion through hole by, up to capillary glass tube end, being provided with bonding in through hole
Agent；
After D, bonding agent hardening, capillary glass tube end is ground into an inclined-plane, the angle on the inclined-plane together with optical fiber is imported
It is 15 °~50 °；
E, capillary glass tube is fixed on optical-electric module substrate, capillary glass tube end is placed on photoelectric conversion chip light
Feel the top of mouth.
The direct plane attachment of photoelectric conversion chip on circuit boards, is eliminated TO bases, pipe cap by the present invention；Special design
Grinding angle capillary glass tube after the completion of coupling it is fixed on circuit boards, glass capillary is fixed using UV glue and bonding agent
Manage and be filled between capillary and chip, eliminate metalwork, ceramic insertion core and laser spot welder.The present invention improves photoelectricity
Conversion efficiency, reduces production cost, is adapted to batch production.
Brief description of the drawings
Fig. 1 is the schematic diagram of present pre-ferred embodiments；
Fig. 2 is the schematic diagram of the capillary glass tube of present pre-ferred embodiments.
Specific embodiment
The invention will be further described with reference to embodiments.
As shown in Figure 1 and Figure 2, a kind of integrated optical-electric module for photoelectric conversion part, including photoelectric conversion chip 1,
Optical fiber 2 is imported, photoelectric conversion chip 1 is fixed on substrate；One capillary glass tube 3 is set, and capillary glass tube sets a through hole 31,
Through the front end and end of capillary glass tube, the end of capillary glass tube sets one can place lacking for photoelectric conversion chip to through hole 31
Mouth 33, through hole 31 imports optical fiber insertion through hole and extends capillary glass tube end termination and fixed, glass capillary in the top of breach 33
Pipe end termination sets an inclined-plane 35, imports the termination of optical fiber in capillary glass tube end end and sets one with glass capillary
Pipe end termination bevel angle identical termination inclined-plane, capillary glass tube end termination is placed on the light sensation of photoelectric conversion chip 1
On mouth.
Breach 33 is at least switched to through hole 31, and the termination for importing optical fiber 2 is placed on the light sensation of photoelectric conversion chip 1 mouthful.Lack
Mouthfuls 33 are switched to through hole 31 causes that the side for importing the termination of optical fiber 2 is exposed, and allows the termination of importing optical fiber 2 to press close to photoelectric conversion chip 1
Photosensitive area, reduce optical signal loss.
Through hole 31 sets insertion and leads mouth 37 in insertion end, and insertion leads the bore of mouth 37 more than the bore for importing optical fiber 2, insertion
Lead mouth 37 and be provided with transition chamfering with the junction of through hole 31；The setting that mouth 37 is led in insertion is easily introduced into optical fiber 2 and is inserted into through hole 31.
Through hole 31 is set along capillary glass tube length direction.It is preferred that through hole 31 is arranged on the axle center of capillary glass tube 3
Area, is easy to drilling for through hole 31.
The angle a on the inclined-plane is 15 °~50 °, and preferably angle a is 25 °~40 °.
UV glue fixing point 6 is set between capillary glass tube 3 and substrate, and capillary glass tube 3 quickly can be fixed on base by UV glue 6
On plate, UV glue is several seconds to more than ten seconds ultraviolet light hardening time.
Importing optical fiber 2 termination in capillary glass tube end termination is pasted onto photoelectric conversion chip 1 by bonding agent 7
On light sensation mouthful.
Encapsulating glue-line 5 is provided with, capillary glass tube end and photoelectric conversion chip are locked in encapsulating glue-line.The present embodiment
The middle encapsulating use of glue-line 5 shrinkage factor is small, hardness is high, adhesive strength is high, high-temp resisting high-humidity resisting epoxide resin material.Except asphalt mixtures modified by epoxy resin
Outside fat, as long as parameter meets, shrinkage factor is small, hardness is high, adhesive strength is high, the glue of high-temp resisting high-humidity resisting requirement can be used.
The effect of capillary glass tube 3 has at 2 points：1st, grinding problem is solved, because optical fiber is very soft, peelling off the fibre core of protective layer is
Glass material, very crisp, diameter only has 125 microns, easily broken.Bare fibre technique will solve the problems, such as the clamping of soft and crisp optical fiber, into
This costliness and consumptive material is not environmentally.Can solve the problems, such as that optical fiber is soft and crisp with clamping ends after using capillary, customize Grinding clip
Tool can be produced in batches.2nd, coupling table clamping problem is solved, bare fibre is in coupling because optical fiber is close from circuit board, it is impossible to clamp
Terminal position, can only be clamped in circuit board outer position, but now optical fiber is extended with 3~4 centimetres, the optical fiber in free state
Can be arbitrary shape, it is necessary to sextuple above coupling table could complete coupling but extremely inefficient.Even if dispensing is consolidated after the completion of coupling
Timing can shift optical fiber because of the surface tension of glue again.Using after capillary can only need X, Y, Z three-dimensional platform can with clamping ends
To complete coupling, efficiency is substantially increased, and will not be shifted during dispensing.
A kind of preparation method of integrated optical-electric module for photoelectric conversion part, comprises the following steps：
A, preparation optical-electric module substrate, substrate are provided with photoelectric conversion chip；
B, one capillary glass tube of preparation, capillary glass tube bore a through hole, and the end of capillary glass tube is cut and puts a breach；
C, importing optical fiber in capillary glass tube front end insertion through hole by, up to capillary glass tube end, being provided with bonding in through hole
Agent；
After D, bonding agent hardening, capillary glass tube end is ground into an inclined-plane together with optical fiber is imported；
E, capillary glass tube is fixed on optical-electric module substrate with UV glue, capillary glass tube end is placed on opto-electronic conversion
The top of chip light sensation mouthful, bonding agent is filled between capillary glass tube end lower surface and photoelectric conversion chip upper surface；
F, using encapsulating compound by sealing capillary glass tube end and photoelectric conversion chip.
Bonding agent is heat-curable epoxy resin.Heat-curable epoxy resin, solid content 100% can be in 200 DEG C of continuous works
Make, can also bear the high temperature of 300-400 DEG C of a few hours and performance is constant, light transmittance is good, be resistant to the molten of multi-solvents and chemicals
Solution and etch.Bonding agent is in addition to epoxy resin, as long as the satisfactory glue of parameter can be used.
UV glue is a kind of ultraviolet fast curing adhesive, there is epoxy and non-epoxy.
The use of encapsulating compound eliminates the technique of nitrogen charging hermetic seal weldering, realizes the protection to device.Encapsulating compound is contraction
Rate is small, hardness is high, adhesive strength is high, high-temp resisting high-humidity resisting epoxy resin.Encapsulating compound is in addition to epoxy resin, as long as parameter meets
Shrinkage factor is small, hardness is high, adhesive strength is high, the glue of high-temp resisting high-humidity resisting requirement can be used.
Associated components are fastenedly connected by above-mentioned bonding agent and glue it are integrated, it is to avoid dislocation influence occurs after coupling and turns
Effect is changed, while ensure that part key position will not be influenceed by steam, it is ensured that conversion quality.The above-mentioned parameter that meets will
The bonding agent asked, UV glue, encapsulating compound are commercially available.
The angle on the inclined-plane is 15 °~50 °, and effective inclined-plane forms minute surface, can effectively increase fiber reflection face
The loss of light reflection is reduced while product；It is preferred that the angle on inclined-plane is between 25 °~40 °.
In the breach that capillary glass tube end is set, the termination of importing optical fiber 2 can be made to try one's best photoelectric conversion chip 1
Photosensitive area, reduce optical signal loss.Further, breach 33 is switched to through hole 31 and causes to import the side dew of the termination of optical fiber 2
Go out, allow import optical fiber 2 termination directly against nearly photoelectric conversion chip 1 photosensitive area, more reduce optical signal loss.
Insertion being drilled in its insertion end and leading mouth 37, insertion leads the bore of mouth 37 more than importing optical fiber 2 when through hole 31 is made
Bore, insertion leads mouth 37 and the junction of through hole 31 and is provided with transition chamfering；The setting that mouth 37 is led in insertion is easily introduced into optical fiber 2 and inserts
To in through hole 31.
Through hole sets along capillary glass tube length direction and drills in the axle center area of capillary glass tube, and through hole 31 is arranged on glass
The axle center area of glass capillary 3, is easy to drilling for through hole 31, while being also convenient for being adjusted with the cooperation of miscellaneous part.
During work, optical signal enters importing optical fiber 2, and mirror-reflection, light are formed in the terminal slope position of capillary glass tube 3
Path has turned 90 degree of curved photosensitive areas for being radiated at photoelectric conversion chip 1, and chip output electric signal completes opto-electronic conversion.
The direct plane attachment of photoelectric conversion chip on circuit boards, is eliminated TO bases, pipe cap by the present invention；Special design
Grinding angle capillary glass tube after the completion of coupling it is fixed on circuit boards, using UV glue be filled in capillary and chip it
Between, eliminate metalwork, ceramic insertion core and laser spot welder.The present invention improves photoelectric transformation efficiency, reduces production cost,
It is adapted to batch production.
Claims (8)
1. a kind of integrated optical-electric module for photoelectric conversion part, including photoelectric conversion chip (1), importing optical fiber (2), light
Electric conversion chip (1) is fixed on substrate；It is characterized in that：One capillary glass tube (3) is set, and capillary glass tube sets a through hole
(31), through hole (31) is set along capillary glass tube length direction, and through hole (31) is through the front end and end of capillary glass tube, glass
The end of capillary sets one and can place the breach (33) of photoelectric conversion chip, and through hole (31) is in breach (33) top；Import light
Fibre insertion through hole extends capillary glass tube end termination and fixed, capillary glass tube end termination setting one inclined-plane (35), inclined-plane
(35) angle is 15 °~50 °, imports the termination of optical fiber in capillary glass tube end end and sets one and capillary glass tube
End termination bevel angle identical termination inclined-plane；Capillary glass tube end termination is placed on the light sensation of photoelectric conversion chip (1)
On mouth.
2. integrated optical-electric module according to claim 1, it is characterised in that：Breach (33) is at least switched to through hole (31),
The termination for importing optical fiber is placed on the light sensation of photoelectric conversion chip (1) mouthful.
3. integrated optical-electric module according to claim 1, it is characterised in that：Through hole (31) sets insertion and leads in insertion end
Mouth (37).
4. integrated optical-electric module according to claim 1, it is characterised in that：The angle on inclined-plane is between 25 °~40 °.
5. the preparation method of a kind of integrated optical-electric module for photoelectric conversion part, it is characterised in that comprise the following steps：
A, preparation optical-electric module substrate, substrate are provided with photoelectric conversion chip；
B, one capillary glass tube of preparation, capillary glass tube bore a through hole, and through hole sets and drill along capillary glass tube length direction
In the axle center area of capillary glass tube, the end of capillary glass tube is cut and puts a breach；
C, importing optical fiber in capillary glass tube front end insertion through hole by, up to capillary glass tube end, being provided with bonding agent in through hole；
After D, bonding agent hardening, capillary glass tube end is ground into an inclined-plane together with optical fiber is imported, the angle on the inclined-plane is 15 °
~50 °；
E, capillary glass tube is fixed on optical-electric module substrate, capillary glass tube end is placed on photoelectric conversion chip light sensation mouthful
Top.
6. preparation method according to claim 5, it is characterised in that：The angle on inclined-plane is between 25 °~40 °.
7. preparation method according to claim 5, it is characterised in that：The bonding agent is heat-curable epoxy resin.
8. preparation method according to claim 5, it is characterised in that：Also include step F, using encapsulating compound by sealing glass
Capillary end and photoelectric conversion chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796375.8A CN105278059B (en) | 2015-11-18 | 2015-11-18 | Integrated optical-electric module for photoelectric conversion part and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796375.8A CN105278059B (en) | 2015-11-18 | 2015-11-18 | Integrated optical-electric module for photoelectric conversion part and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105278059A CN105278059A (en) | 2016-01-27 |
| CN105278059B true CN105278059B (en) | 2017-06-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106646781B (en) * | 2017-01-13 | 2018-07-27 | 深圳市万和科技股份有限公司 | High-speed photoelectricity receiving interface and preparation method thereof |
| CN106597615A (en) * | 2017-01-13 | 2017-04-26 | 深圳市万和科技股份有限公司 | High speed photoelectric transmitting interface and manufacturing method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2789786Y (en) * | 2005-06-10 | 2006-06-21 | 吴砺 | Optica fiber micro-lens type collimator |
| JP2008090218A (en) * | 2006-10-05 | 2008-04-17 | Matsushita Electric Ind Co Ltd | Optical element module |
| JP2009198804A (en) * | 2008-02-21 | 2009-09-03 | Sony Corp | Optical module and optical waveguide |
| JP2009300824A (en) * | 2008-06-16 | 2009-12-24 | Tomoegawa Paper Co Ltd | Optical connection structure |
| CN205193317U (en) * | 2015-11-18 | 2016-04-27 | 深圳市万和科技股份有限公司 | A integration optical -electric module for photoelectric conversion part |
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Address after: Five road in Longgang District of Shenzhen City, Guangdong province 518172 Baolong Baolong Industrial City No. two Shangrong science and Technology Industrial Park B1 Building 5 floor Applicant after: SHENZHEN WANHE TECHNOLOGY CO.,LTD. Address before: Five road in Longgang District of Shenzhen City, Guangdong province 518172 Baolong Baolong Industrial City No. two Shangrong science and Technology Industrial Park B1 Building 5 floor Applicant before: SHENZHEN SANLAND ELECTRONIC Co.,Ltd. |
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Denomination of invention: Integrated photoelectric module for photoelectric conversion component and its manufacturing method Effective date of registration: 20210820 Granted publication date: 20170613 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN WANHE TECHNOLOGY CO.,LTD. Registration number: Y2021980008049 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220825 Granted publication date: 20170613 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN WANHE TECHNOLOGY CO.,LTD. Registration number: Y2021980008049 |