CN1531113A - Adhering method for metal material - Google Patents
Adhering method for metal material Download PDFInfo
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- CN1531113A CN1531113A CNA031216501A CN03121650A CN1531113A CN 1531113 A CN1531113 A CN 1531113A CN A031216501 A CNA031216501 A CN A031216501A CN 03121650 A CN03121650 A CN 03121650A CN 1531113 A CN1531113 A CN 1531113A
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- containment vessel
- epoxy resin
- metal material
- metal shell
- metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
An adhesion method for metal material, used in adhesion of light receiving and dispatching module to enhance the adhesive force of containment vessel and outershell. This method has following steps: first, provide the containment vessel and outershell of laser diode; coating- preprocessing layer at the inside of metal outershell, then making signal para position to aim at the position of laser and metal outershell. Then using epoxy resin to adhere the containment at the inside of preprocessing layer of metal outershell, and fixing the laser diode at the best position. This method also includes coating-sealing layer to separate the epoxy resin from hydrosphere, and the second preprocessing layer to improve the adhesion between the containment and epoxy resin.
Description
Technical field
The present invention relates to a kind of felting method of metal material, particularly relate to a kind of metal coating shell of optical transceiver module and the felting method of shell.
Background technology
Along with computer a large amount of popularize fast development with network technology, utilize network to obtain data fast or service is provided.And photoelectric communication can provide fast and a large amount of message transmission, and therefore, opto-electronics is subjected to personage of each stratum and related industry personnel's attention.Be electronics (Electronics) and optics (Optics) to be mutually combined and a kind of application of producing just at present in booming opto-electronics.And wherein an important key component is an optical transceiver module, and it comprises a transmitter (Transmitter) and a receiver (Receiver) or is integrated into a transceiver (Transceiver).
The function of transmitter is that transferring electric signal to light signal sends out.Transmitter generally is to distinguish according to light source, and the light source of optical fiber communication is based on light-emitting diode and laser diode, because laser diode has the power output height, transmission speed is fast, lighting angle is little (the expression light source be coupled into optical fiber in efficient higher) with frequency spectrum narrower (chromatic dispersion is less), so in being fit to, the usefulness of long Distance Transmission, to, more easily use advantages such as (drive with compensating circuit simpler) then low, suitable short-distance transmission purposes because of cost at light-emitting diode.Wherein, laser diode or claim semiconductor laser (SemiconductorLaser) has that volume is little, little power consumption, fast, the anti-collision of reaction, an advantage such as the life-span is long, efficient is high and price is low, and range of application is very extensive in the electro-optical system product.
The major function of optical receiving set is exactly that the light signal that will be received is converted to electric signal, and wherein the assembly of most critical is exactly device for testing light (Detector).Device for testing light then is to utilize rayed photodiode (Photo Diode) to produce enough energy, is inspired paired electron hole pair, and thereby generation current signal.
Because the required precision of the relevant spare part of electro-optical system is high, therefore need use meticulous, the production equipment that the hierarchy of skill is high is to carry out the production of photoelectric subassembly.And the required precision of optical transceiver module is also high; with traditional optical transceiver module is example; whole manufacturing process has comprised the encapsulation (TO-Can) that adds containment vessel from obtaining laser diode crystal grain, and the shell (T-housing) with the stainless steel made sticks together again.Generally speaking, with the work of laser diode alignment housings (T-housing), needing only in the middle of whole alignment procedures has deviation, very easy meeting to allow light signal generating lose (Loss) slightly, cause the decline of communication quality, so must pay attention to its accuracy especially.
Traditionally, the work of sticking together is to use epoxy resin (Epoxy) to stick, and for the adhesion of reinforcing ring epoxy resins and stainless steel casing (T-housing) further, so surface treatment is carried out on the surface at shell (T-housing), for example use blasting treatment, to add strong adhesive force, still because the water absorption rate height of epoxy resin own, under the environment that is exposed to high humidity and high temperature for a long time, still can cause the reduction of adhesion.Therefore, how to improve the containment vessel of optical transceiver module and the felting method of stainless steel casing,, can make the quality of production of optical transceiver module obtain important raising to improve tack strength and reliability.
Summary of the invention
In above-mentioned background of invention, the required precision of optical transceiver module is very high, and therefore needing only in the middle of the process of whole aligning has deviation, very easy meeting to allow light signal generating lose (Loss) slightly, causes the decline of communication quality.And for the adhesion of reinforcing ring epoxy resins and stainless steel casing, carry out surface sand-blasting at shell to handle, not only increase cost, and because epoxy resin under the environment that is exposed to high humidity and high temperature for a long time, still can cause the reduction of adhesion.Therefore, must effectively improve the felting method of containment vessel and stainless steel casing, to improve tack strength and reliability.
One of purpose of the present invention provides a kind of felting method of metal material, with reinforcement metal material adhesion each other.
Another object of the present invention provides a kind of containment vessel of optical transceiver module and the felting method of shell, effectively improves tack strength and resists the ability that temperature and humidity change.
According to above-mentioned purpose, the felting method of a kind of metal material of the present invention is used in the assembly flow process of optical transceiver module.The felting method of this metal material comprises the following step.The containment vessel and the metal shell of laser diode at first, are provided.Then, be coated with a preprocessing layer in inside of metal outershell.Use signal contraposition manufacturing process, carry out the position alignment of laser diode and metal shell.And then use epoxy resin that containment vessel is attached to the inboard of the preprocessing layer of metal shell, make laser diode and containment vessel be fixed on the signal location of the best.
Wherein above-mentioned signal contraposition manufacturing process can use the optical fiber output signal, to adjust the relative position of laser diode and metal shell, obtains the position of maximum signal output.Containment vessel is that a dilval containment vessel is used for protection packaging laser diode therein.And metal shell can be the stainless steel metal shell.Preprocessing layer then can be used the epoxy resin coating class, as ammonia cured epoxy, anhydride-cured, curable synthetic resin, with fatty acid ester type, non-solvent epoxy etc., or the rubberbase paint class, as neoprene, butadiene-styrene rubber, butyl rubber, polysulfide rubber, chlorosulfonated polyethylene rubber etc.
Fixedly before containment vessel and the shell, also can use adhesive agent to carry out pre-determined bit at epoxy resin, adhesive agent can be Instant cement or UV glue (Ultraviolet Glue).Fixedly after containment vessel and the shell, also can use a sealant that preprocessing layer and epoxy resin layer are sealed between containment vessel and the metal shell through epoxy resin.And this sealant comprises polypropylene (Polypropylene), silica gel (Silica Gel), inorganic material, or the formed sealant of epoxy resin.The present invention can also increase another preprocessing layer between epoxy resin layer and containment vessel, to improve the adhesion between containment vessel and the epoxy resin.
Therefore, the present invention can effectively improve the opposing temperature of optical transceiver module and the ability that humidity changes.Can also improve the adhesion of containment vessel and shell, the quality of optical transceiver module and reliability are improved.
Brief description of drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by the specific embodiment of the present invention is described in detail.
In the accompanying drawing,
Fig. 1 is the structural representation that sticks together of a preferred embodiment of the felting method of metal material of the present invention; And
Fig. 2 is the structural representation that sticks together of another preferred embodiment of the felting method of metal material of the present invention.
Embodiment
Fig. 1 is the structural representation that sticks together of a preferred embodiment of the felting method of metal material of the present invention.The felting method of metal material of the present invention is to use in the shell 100 of optical transceiver module and sticking together of containment vessel 130.Generally speaking; the containment vessel 130 of optical transceiver module is to use the material of dilval; to carry out the encapsulation of laser diode crystal grain; shell 100 then can use stainless material to encapsulate; not only can improve the alignment precision of encapsulation back laser diode and optical fiber; can also reduce the thermal deformation problem that variations in temperature causes, effectively isolated simultaneously Electromagnetic Interference (ElectronmagneticInterference, problem EMI).
But, owing to generally uses adhesive agent and nonmetallic materials between shell 100 and containment vessel 130, owing between the two lattice size differs bigger, so come from into bond to close the active force that is produced less sticking together the adhesion that is then obtained.And the present epoxy resin adhesive agent that uses also can be because of the relation that absorbs moisture, and causes the reduction of adhesion.
The felting method of metal material of the present invention; at first utilize a preprocessing layer (Primer) 110 to be coated on the shell 100; carry out the laser diode of containment vessel 130 and aiming at of shell 100 again; it utilizes the method for signal contraposition; obtain the signal output of optical fiber maximum, again shell 100 and containment vessel 130 are advanced.Row pre-fixes, and then utilizes epoxy resin layer 120 to carry out permanent fixation again.The felting method of metal material of the present invention when pre-fixing, can utilize Instant cement, or UV glue (UltravioletGlue), carries out pre-fixing of shell 100 and containment vessel 130.The present invention does not limit the use Instant cement or UV glue pre-fixes, and the present invention can use other adhesive agent with quick-hardening, to carry out both pre-fixing.Certainly, the present invention also can use preprocessing layer 110 and epoxy resin layer 120, direct fixed housing 100 and containment vessel 130, and omit the manufacturing process that pre-fixes.
Because the coating that the present invention uses preprocessing layer 110 to carry out in advance, therefore effectively reducing epoxy resin layer 120 closes gap with the bond that becomes between the shell 100, thereby makes adhesion promote.Utilize the felting method of metal material of the present invention, it is about 30% that the adhesion after making the shell of optical transceiver module and containment vessel stick together increases, and therefore, makes that stability and the reliability after the sticking together of optical transceiver module also improves effectively.
The felting method of metal material of the present invention; processing layer 110 and epoxy resin layer 120 effectively stick together after shell 100 and the containment vessel 130 before use; also can utilize a sealant 140 with preprocessing layer 110 and epoxy resin layer 120 effective closure between the shell 100 and containment vessel 130 of metal, make outside moisture by isolated.Therefore, make the felting method of metal material of the present invention, further improved the reliability of optical transceiver module, reduce optical transceiver module effectively and change the problem that the adhesion that caused reduces for temperature and humidity.
Preprocessing layer wherein used in the present invention, it can be the epoxy resin coating class, as ammonia cured epoxy, anhydride-cured, curable synthetic resin, with fatty acid ester type, non-solvent epoxy etc., or the rubberbase paint class, as neoprene, butadiene-styrene rubber, butyl rubber, polysulfide rubber, chlorosulfonated polyethylene rubber etc.It focuses on having the adhesion that improves epoxy resin layer and stainless shell, and generally speaking its one-tenth bond size of closing is between stainless steel and epoxy resin.Sealant then uses as polypropylene (Polypropylene) or the formed sealant of silica gel (Silica Gel), or is inorganic material sealant and the formed sealant of epoxy resin.
Fig. 2 is the structural representation that sticks together of another preferred embodiment of the felting method of metal material of the present invention.As shown in FIG.; the felting method of metal material of the present invention is coated with first preprocessing layer 210 on shell 200; and on containment vessel 240 coating one second preprocessing layer 230; utilize epoxy resin layer 220 with both combinations again; utilize sealant 250 at last again, with above-mentioned first preprocessing layer, 210, the second preprocessing layer 230; with epoxy resin layer 220, be enclosed between shell 200 and the containment vessel 240.
Employed first preprocessing layer 210 and second preprocessing layer 230 can use identical materials to be coated with among this embodiment, also can use preprocessing layer material inequality, and its material is described as first embodiment, promptly no longer add to give unnecessary details at this.In addition, as the sealant among first figure, the sealant among second figure also can use as polypropylene (Polypropylene) or the formed sealant of silica gel (Silica Gel), also or inorganic material sealant and the formed sealant of epoxy resin.
Because the present invention utilizes preprocessing layer to be coated between metal material and the epoxy resin layer, make that the adhesion between containment vessel and the shell improves.Therefore effectively improve the assembling quality of optical transceiver module.The present invention also utilizes sealant, to reduce the influence of epoxy resin to moisture, further improves the reliability of optical transceiver module, and assembling quality is more effectively improved.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection range of accompanying Claim of the present invention.
Claims (12)
1. the felting method of a metal material, it is used in the assembly flow process of optical transceiver module, and the felting method of this metal material is characterized in that, and it comprises at least:
The containment vessel of one laser diode;
One metal shell;
Coating one preprocessing layer on this metal shell;
Use signal contraposition manufacturing process, carry out the position alignment of this laser diode and this metal shell; And
Use an epoxy resin layer, this containment vessel is sticked together in the inboard of this preprocessing layer of this metal shell, this laser diode and this containment vessel are fixed among this metal shell.
2. the felting method of metal material according to claim 1 is characterized in that, above-mentioned signal contraposition manufacturing process is to use fiber-optic signal, adjusts the relative position of this laser diode and this metal shell, to obtain maximum signal output.
3. the felting method of metal material according to claim 1 is characterized in that, above-mentioned containment vessel is the containment vessel of the dilval of a laser diode.
4. the felting method of metal material according to claim 1 is characterized in that, above-mentioned metal shell is a stainless steel metal shell.
5. the felting method of metal material according to claim 1 is characterized in that, the material of above-mentioned preprocessing layer comprises epoxy resin paint class or rubberbase paint class.
6. the felting method of metal material according to claim 1 is characterized in that, above-mentioned use one epoxy resin layer sticks together this containment vessel before the inboard step of this metal shell, also comprises to use adhesive agent to carry out the pre-determined bit of this containment vessel.
7. the felting method of metal material according to claim 6 is characterized in that, above-mentioned adhesive agent comprises Instant cement or UV glue (Ultraviolet Glue).
8. the felting method of metal material according to claim 1; it is characterized in that; above-mentioned use one epoxy resin layer; this containment vessel is sticked together after the inboard step of this metal shell, also comprise and use a sealant that this preprocessing layer and this epoxy resin layer are sealed between this containment vessel and this metal shell.
9. the felting method of metal material according to claim 1 is characterized in that, and is above-mentioned after this metal shell is coated with a preprocessing layer, also is included in this containment vessel and is coated with a containment vessel preprocessing layer.
10. the felting method of metal material according to claim 9 is characterized in that, the material of above-mentioned containment vessel preprocessing layer comprises epoxy resin paint class or rubberbase paint class.
11. felting method as the 10th described metal material of claim; wherein above-mentioned use one epoxy resin layer; stick together this containment vessel after the inboard step of this metal shell; also comprise and use a sealant, be sealed between this containment vessel and this metal shell this preprocessing layer, this epoxy resin layer and this containment vessel preprocessing layer.
12. according to Claim 8 or the felting method of 11 described metal materials, it is characterized in that above-mentioned sealant comprises a polypropylene (Polypropylene) sealant, a silica gel (Silica Gel) sealant, or an inorganic material sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031216501A CN1531113A (en) | 2003-03-13 | 2003-03-13 | Adhering method for metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031216501A CN1531113A (en) | 2003-03-13 | 2003-03-13 | Adhering method for metal material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1531113A true CN1531113A (en) | 2004-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031216501A Pending CN1531113A (en) | 2003-03-13 | 2003-03-13 | Adhering method for metal material |
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| CN (1) | CN1531113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774571A (en) * | 2020-08-03 | 2020-10-16 | 深圳市光为光通信科技有限公司 | Optical module shell and preparation method thereof |
-
2003
- 2003-03-13 CN CNA031216501A patent/CN1531113A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774571A (en) * | 2020-08-03 | 2020-10-16 | 深圳市光为光通信科技有限公司 | Optical module shell and preparation method thereof |
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