CN109407221A - A kind of 25G optical module - Google Patents
A kind of 25G optical module Download PDFInfo
- Publication number
- CN109407221A CN109407221A CN201811257572.2A CN201811257572A CN109407221A CN 109407221 A CN109407221 A CN 109407221A CN 201811257572 A CN201811257572 A CN 201811257572A CN 109407221 A CN109407221 A CN 109407221A
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- Prior art keywords
- movable block
- motion bar
- optical module
- parts
- fin
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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
- G02B6/4266—Thermal aspects, temperature control or temperature monitoring
- G02B6/4268—Cooling
- G02B6/4269—Cooling with heat sinks or radiation fins
-
- 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
- G02B6/4256—Details of housings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
- H05K7/20418—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
- H05K7/20427—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing having radiation enhancing surface treatment, e.g. black coating
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to electronics fields, and in particular to a kind of 25G optical module.The specific technical proposal is: a kind of 25G optical module, including optical mode block main body and shell, shell include base portion, are equipped with radiating part above base portion；Nearby at least installation passage is arranged in one side wall to base portion opening, has movable block in installation passage, elastomeric element is arranged in movable block outer end between free end, inner end and installation passage bottom, and when optical mode block main body is separated with shell, cavity is protruded into movable block free end；Movable block inner end connects pull rope, and the pull rope other end protrudes into radiating part, and affixed with the pole face near the first activity rod end surface, and the first motion bar is articulated with radiating part upper surface, the affixed fin of the first motion bar；Fin slot is correspondingly arranged on radiating part；The connection type of pull rope and the first motion bar are as follows: the affixed tangent line selected on the transversal disc of the first motion bar and fin angle are 90 °~180 °.The radiator structure advantages of simple that the present invention is arranged can effectively meet the daily radiating requirements of optical module.
Description
Technical field
The invention belongs to electronics fields, and in particular to a kind of 25G optical module.
Background technique
As the bandwidth of optical communication field constantly raises speed, optical module bandwidth also upgrades therewith.It is response market to high bandwidth
The demand of high speed data transfers, module design increasingly develop toward miniaturization, highdensity direction.The raising of optical module rate
Generally all along with the raising of power, as optical module power increases, volumetric thermal density also increases, and leads to optical module operating temperature
It increases, thermally sensitive electric light/photoelectric conversion component and chip performance will be greatly reduced in optical module, even result in whole
A module can not work normally or fail.Therefore, it is necessary to more efficient radiator structures to improve heat dissipation problem.
Summary of the invention
The object of the present invention is to provide a kind of 25G optical modules that heat dissipation performance is excellent.
For achieving the above object, the technical scheme adopted by the invention is that: a kind of 25G optical module, including optical module
Main body and shell for the insertion of optical mode block main body, the shell includes base portion, and the base portion is equipped with and passes in and out for optical mode block main body
Cavity, the base portion top are equipped with radiating part；
Installation passage is set on the neighbouring at least side side wall of base portion opening, the installation passage is provided with movable block,
The movable block outer end is arranged elastomeric element between free end, inner end and the installation passage bottom, the optical mode block main body with
When shell separates, the cavity is protruded into the movable block free end；
The movable block inner end connects pull rope, and the other end of the pull rope protrudes into radiating part, and with the first motion bar
Pole face near end face is affixed, and first motion bar is articulated with radiating part upper surface, affixed fin on the first motion bar；It is described
Fin slot is correspondingly arranged on radiating part；
The connection type of the pull rope and the first motion bar are as follows: the affixed point of the pull rope is in first motion bar
Angle is 90 °~180 ° between tangent line and the fin on transversal disc.
Preferably, the specific connection type of the movable block and elastomeric element and pull rope is as follows: the installation passage is inclined
Tiltedly arrangement, described movable block one end are free end, and the other end and the movable block stretch rod in installation passage are affixed, the movable block
Stretch rod and the connecting rod outer end for being parallel to side wall longitudinal direction are affixed, the middle part of the connecting rod, with movable block stretch rod phase
The affixed elastomeric element of opposite direction, the connecting rod inner end and the pull rope are affixed.
Preferably, it is to pass in and out the cambered surface that direction extends along optical mode block main body that the movable block, which protrudes into chamber portion,.
Preferably, the second motion bar that first motion bar is connected with fin at least one is connected, and described
Two motion bars are articulated with radiating part upper surface, and parallel with the first motion bar.
Preferably, the radiating part outer surface and/or the fin are equipped with thermal dispersant coatings.
Preferably, the formula of the thermal dispersant coatings are as follows: in parts by weight, 20~25 parts of FeO powder, MnO2Powder 20~25
Part, 8~10 parts of CuO powder, 50~60 parts of hollow glass microbead, 100~160 parts of bisphenol A type epoxy resin, deionized water 2000
Part；Powder diameter≤0.5 μm of each metal oxide, partial size≤5 μm of the hollow glass microbead.
Preferably, the formula of the thermal dispersant coatings are as follows: in parts by weight, 25 parts of FeO powder, MnO220 parts of powder, CuO powder
Last 8 parts, 55 parts of hollow glass microbead, 135 parts of bisphenol A type epoxy resin, 2000 parts of deionized water.
Preferably, the preparation method of the thermal dispersant coatings includes the following steps:
(1) by MnO2It after powder, CuO powder, hollow glass microbead mix, is added in bisphenol A type epoxy resin, mixes
Afterwards, FeO powder and deionized water are added, ultrasound mixes, and obtains heat radiation coating；
(2) heat radiation coating is evenly coated in radiating part outer surface and/or the fin surface, is subsequently placed at electricity
In, 120~130V/cm is handled 5 minutes；
In entire galvanization, while applying uniform externally-applied magnetic field；The direction of the externally-applied magnetic field is applied perpendicular to coating
Cloth direction；Magnetic field strength is 0.5T, magnetic field 20~25mm of spacing；
(3) then 165~175 DEG C are being placed in, under ar gas environment, are keeping the temperature 2h；After natural cooling, clean 2~3 times；
(4) again under 450~550 DEG C, ar gas environment, 2h is kept the temperature；0.5h is kept the temperature at 750~800 DEG C again；Natural cooling
Afterwards, thermal dispersant coatings are formed.
Preferably, the first heat sink and the second heat dissipation is respectively set in the other end upper and lower surface of the optical module insertion shell
Plate, first heat sink, the second heat sink are connected on shell by fastening bolt.
Preferably, several heat release holes are additionally provided on first heat sink.
The invention has the following advantages:
1, for optical module when entering in shell, heat production is more and heat dissipation is difficult.Setting through the invention, optical module enter
Afterwards, shell top wall radiating fin automatically opens, increasing heat radiation area, meanwhile, the opening of fin keeps shell thinning, optical module and outer
Boundary's hypotelorism, further increases radiating efficiency.In addition, during the work time, forming channel, external world's flowing between fin and fin
Air can form flow channel therebetween, heat is taken away in help.
After optical module leaves shell, the fin on shell is closed automatically, and fin is avoided to be collided with when being in erected state
Damage or hurt staff.
2, the radiator portion of shell is also correspondingly arranged thermal dispersant coatings, further helps to radiate.Shell is metal material, in electricity
When deposition, after bisphenol A type epoxy resin contacts with shell, it is possible to create gas generates groove in coating surface.In addition, FeO exists
Coating surface is floated under magnetic fields, and part is removed, be further formed groove in coating surface, increase coating radiating surface
Product, effectively increases the heat-sinking capability of thermal dispersant coatings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the present invention in an inactive state；
Fig. 2 be in Fig. 1 the A-A of shell in an inactive state to sectional view；
Fig. 3 is installation passage internal structure and fin positional diagram in Fig. 2；
Fig. 4 be in Fig. 1 A-A of the shell in working condition to sectional view；
Fig. 5 is installation passage internal structure and fin positional diagram in Fig. 4；
Fig. 6 is the enlarged drawing of a kind of embodiment in the portion A in an inactive state in Fig. 2；
Fig. 7 is enlarged drawing of a kind of embodiment in the portion A in working condition in Fig. 4；
Fig. 8 is the enlarged drawing of the portion A another embodiment in an inactive state in Fig. 2；
Fig. 9 is the mode enlarged drawing that the portion A another kind implements in working condition in Fig. 4；
Figure 10 is the schematic diagram of a kind of embodiment in working condition that is connected in Fig. 2；
Figure 11 is schematic diagram of the another embodiment in working condition that be connected in Fig. 2；
Figure 12 is structural schematic diagram of the another embodiment of the invention in working condition.
Specific embodiment
In each attached drawing, shell 20 is inserted into optical mode block main body 10 and is in working condition, shell is not inserted into optical mode block main body 10
20 be off working state.
It is as shown in Figure 1, a kind of 25G optical module, including optical mode block main body 10 and it is open at one end, inserted for optical mode block main body 10
The shell 20 entered, the optical mode block main body 10 can be socketed on inside shell 20, can not also be socketed, individually placed.
As shown in Figure 2-5, the shell 20 includes the base portion 21 that there is cavity in inside, and the cavity is for optical mode block main body
10 disengaging.Radiating part 22 is equipped with above the base portion 21.Base portion 21 and radiating part 22 are really an entirety, are intended merely to conveniently
Description is divided into two parts.
The base portion 21, which is open, is nearby at least arranged installation passage on the side wall of side.Equipped with activity inside the installation passage
Block 31 is preferably symmetrical arranged installation passage in two sidewalls, and installation passage internal structure is also accordingly symmetrical arranged and (only shows in figure
The structure of one side wall).
Elastomeric element 34 is arranged in 31 outer end of movable block between free end, inner end and the installation passage bottom, described
Elastomeric element 34 is preferably the strong spring of elastic recovery capability.When the optical mode block main body 10 is separated with shell 20, the activity
The cavity is protruded into 31 free end of block.31 inner end of movable block connects pull rope 35.
The preferred connection type of the movable block 31 and elastomeric element 34 and pull rope 35 is as follows: the installation passage inclination
Arrangement, described 31 one end of movable block are free end, and the other end and the movable block stretch rod 32 in installation passage are affixed, the activity
Block stretch rod 32 and 33 outer end of connecting rod for being parallel to side wall longitudinal direction are affixed, the middle part of the connecting rod 33 and movable block
The affixed elastomeric element 34 of 32 opposite direction of stretch rod, 33 inner end of connecting rod and the pull rope 35 are affixed, the drawing
Stretch the preferably wirerope of rope 35.
Preferred scheme is, when the optical mode block main body 10 does not enter, one side that movable block 31 is connect with connecting rod 33
It is located just at the opening of opened cavity on side wall, and the opening parallel in the face and cavity；The optical mode block main body 10 completely into
After entering shell 20, movable block 31 is completely into cavity inside.
The other end of the pull rope 35 protrudes into radiating part 22, and affixed with the pole face near 361 end face of the first motion bar,
First motion bar 361 is articulated with 22 upper surface of radiating part, affixed fin 37 on the first motion bar 361；The radiating part 22
On be correspondingly arranged fin slot 38, make fin 37 in the closure state, be located just in fin slot 38.
The connection type of the pull rope 35 and the first motion bar 361 are as follows: the affixed point 350 of the pull rope 35 is described
Angle is 90 °~180 ° between tangent line and the fin 37 on the transversal disc of first motion bar 361.When angle is 180 °, non-work
Make specific connection type when state as shown in fig. 6, when working condition is as shown in Figure 7.When angle is 90 °, when off working state, has
Body connection type is as shown in figure 8, (the mode corresponding diagram 10 being connected shown in Fig. 6~9 as shown in Figure 9 when working condition
Connection type).
It is preferably to pass in and out the cambered surface that direction extends along optical mode block main body 10 that the movable block 31, which protrudes into chamber portion,.With convenient
When optical mode block main body 10 enters shell 20,10 ground of optical mode block main body can not be damaged easily, movable block 31 is pressed into side wall
Portion.Described 31 one end of movable block is free end, and when no optical mode block main body 10 enters, free end protrusion side wall enters cavity.
It should be noted that the positional relationship illustrated in figure is intended merely to facilitate observation and elaboration, 31 He of movable block
The fin 37 certain displacement difference of physical presence in the longitudinal direction of shell 20.The movable block 31 is located at opening for shell 20
Mouth inlet.The fin 37 is located at the other end end surface of 20 open end of shell, is preferably located at optical mode block main body 10 and inserts
After entering, be inserted into bosom position corresponding to surface on the housing 20；That is, after optical mode block main body 10 is inserted into, insert end
Top, 20 corresponding position of shell, be arranged fin 37.
More optimal solution are as follows: at least one second motion bar 362 of first motion bar 361 is connected, and described second
Motion bar 362 is articulated with 22 upper surface of radiating part, and affixed fin 37.Second motion bar 362 is parallel to the first motion bar
361。
Described be connected can be as shown in Figure 10, and the pull rope 35 is extended to form linkage rope 351.The linkage rope
351 surround first motion bar 361 at least after a week, are bonded relationship with first motion bar 361 formation, then prolong
Length is simultaneously looped around on the second motion bar 362 in the same way.In order to make linkage rope 351 and each motion bar form the side of being bonded
Formula can also accordingly slot on each motion bar, linkage rope 351 is fixed in slot.Pull rope 35 moves up and down, and pulls linkage
It restricts 351 side-to-side movements, and then drives each linkage of fin 37 folding.
Described be connected can also be as shown in figure 11, in the hinged setting interlocking bar 352 in each 37 outside of fin.It is described
22 upper surface of radiating part is corresponding to open up the slot for placing interlocking bar 352.The pull rope 35 moves up and down, and drives the first motion bar
Fin 37 on 361 opens and closes, and then the linkage folding of each fin 37 is used under the action of interlocking bar 352.Figure 10, do not show in 11
Meaning fin slot 38.
The operation principle of the present invention is that: when optical mode block main body 10 does not enter, elastomeric element 34 in the raw, movable block
31 protrusion side walls, are located inside shell 20, each fin 37 is in closed state.Optical mode block main body 10 from 20 opening of shell into
Enter, push movable block 31 move to 20 interior of shell, depths, thus make elastomeric element 34 push, drive pull rope 35 to
Lower movement to drive the rotation of the first motion bar 361, and drives each fin 37 to open under linkage structure.Optical mode block main body 10
After exiting shell 20, elastomeric element 34 restores nature, pushes and moves outside movable block 31, while pull rope 35 moves upwards, respectively
Fin 37 is closed.
More optimal solution are as follows: 22 outer surface of radiating part and/or the fin 37 are equipped with thermal dispersant coatings and (do not show in figure
Out).
The thermal dispersant coatings the preparation method is as follows:
1, it is formulated: in parts by weight, 20~25 parts of FeO powder, MnO220~25 parts of powder, 8~10 parts of CuO powder, in
50~60 parts of empty glass microballoon, 100~160 parts of bisphenol A type epoxy resin, 2000 parts of deionized water.Each metal oxide
Powder diameter≤0.5 μm, partial size≤5 μm of the hollow glass microbead.
2, preparation method:
(1) by MnO2It after powder, CuO powder, hollow glass microbead mix, is added in bisphenol A type epoxy resin, mixes
Afterwards, FeO powder and deionized water are added, ultrasound mixes to get heat radiation coating.
(2) heat radiation coating is evenly coated in clean to coating surface.The heat radiation coating 1g can be coated with to be plated
The area of layer is 100~200cm2.By be coated with after coating it is to be plated be placed in electric field, provided using 600 type electrophoresis apparatus of JY straight
Galvanic electricity source applies the steady electric field of 120~130V/cm between electrode, is powered 5 minutes.
In entire galvanization, while treating coating and applying uniform externally-applied magnetic field.It hangs down in the direction of the externally-applied magnetic field
Directly in the coating coating direction on coating；Magnetic field strength is 0.5T, magnetic field 20~25mm of spacing.
(3) by step (2) treated it is to be plated be placed on 165~175 DEG C, under ar gas environment, keep the temperature 2h.Natural cooling
Afterwards, it is cleaned by ultrasonic using deionized water to coating 2~3 times, washes away the metal oxide of coating surface, is formed with uniform pores
Coating.
(4) again under 450~550 DEG C, ar gas environment, 2h is kept the temperature；0.5h is kept the temperature at 750~800 DEG C again, removes bis-phenol
A type epoxy resin.After natural cooling, thermal dispersant coatings are formed.
The preparation of thermal dispersant coatings is further described below with reference to specific experiment.
10 groups of thermal dispersant coatings are prepared according to the above method, wherein the design parameter of each group is as shown in table 1, and each group is divided into table
Parts by weight.Not add FeO as control group 1, not add externally-applied magnetic field as control group 2.
1 each group design parameter table of table
Emissivity is the basic parameter of hot physical property, and the transmitting of each thermal dispersant coatings is measured using infrared thermal emissivity analyzer
Rate, and Electronic Speculum observes thermal dispersant coatings appearance features, the results are shown in Table 2.
2 each group effect of table shows table
| Group | Emissivity | Appearance features |
| Group 1 | 0.88 | Plurality of grooves structure |
| Group 2 | 0.93 | Plurality of grooves structure |
| Group 3 | 0.87 | Plurality of grooves structure |
| Group 4 | 0.87 | Plurality of grooves structure |
| Group 5 | 0.82 | Plurality of grooves structure |
| Group 6 | 0.85 | Plurality of grooves structure |
| Group 7 | 0.83 | Plurality of grooves structure |
| Group 8 | 0.85 | Plurality of grooves structure |
| Group 9 | 0.82 | Plurality of grooves structure |
| Group 10 | 0.76 | Plurality of grooves structure |
| Control group 1 | 0.70 | Part recess structure |
| Control group 2 | 0.76 | A small amount of groove structure |
More optimal solution are as follows: the other end upper and lower surface that the optical mode block main body 10 is inserted into shell 20 is also respectively set first
Heat sink 41 and the second heat sink 42 are additionally provided with several heat release holes 411 on first heat sink 41.Each heat sink is
The good metal material of heat dissipation performance, such as metallic aluminium.First heat sink 41, the second heat sink 42 pass through fastening bolt 50
It is connected on shell 20.To ensure that the first heat sink 41 and the second heat sink 42 are tightly attached in optical mode block main body 10, the fastening
Clamping reed 51 is additionally provided between bolt 50 and the second heat sink 42.
Claims (10)
1. a kind of 25G optical module, including optical mode block main body (10) and for the shell (20) of optical mode block main body (10) insertion, feature
Be: the shell (20) includes base portion (21), and the base portion (21) is equipped with the cavity passed in and out for optical mode block main body (10), described
Radiating part (22) are equipped with above base portion (21)；
Installation passage is set on the neighbouring at least side side wall of base portion (21) opening, the installation passage is provided with movable block
(31), elastomeric element (34) are arranged between free end, inner end and the installation passage bottom in movable block (31) outer end, described
When optical mode block main body (10) is separated with shell (20), the cavity is protruded into movable block (31) free end；
Movable block (31) inner end connects pull rope (35), and the other end of the pull rope (35) protrudes into radiating part (22), and
Affixed with the pole face near the first motion bar (361) end face, first motion bar (361) is articulated with table on radiating part (22)
Face, affixed fin (37) on the first motion bar (361)；Fin slot (38) are correspondingly arranged on the radiating part (22)；
The connection type of the pull rope (35) and the first motion bar (361) are as follows: the affixed point (350) of the pull rope (35) exists
Angle is 90 °~180 ° between tangent line and the fin (37) on the transversal disc of first motion bar (361).
2. a kind of 25G optical module according to claim 1, it is characterised in that: the movable block (31) and elastomeric element (34)
And the specific connection type of pull rope (35) is as follows: the installation passage is in tilted layout, and described movable block (31) one end is freely
End, the other end and the movable block stretch rod (32) in installation passage are affixed, the movable block stretch rod (32) be parallel to side wall
Connecting rod (33) outer end of longitudinal direction is affixed, the middle part of the connecting rod (33) and movable block stretch rod (32) opposite direction
The affixed elastomeric element (34), connecting rod (33) inner end and the pull rope (35) are affixed.
3. 25G optical module according to claim 1, it is characterised in that: it is edge that the movable block (31), which protrudes into chamber portion,
Optical mode block main body (10) passes in and out the cambered surface that direction extends.
4. 25G optical module according to claim 1, it is characterised in that: first motion bar (361) is solid at least one
The second motion bar (362) for being connected to fin (37) is connected, and second motion bar (362) is articulated with table on radiating part (22)
Face, and it is parallel with the first motion bar (361).
5. 25G optical module according to claim 1, it is characterised in that: base portion (21) outer surface and/or the heat dissipation
Portion (22) outer surface and/or the fin (37) are equipped with thermal dispersant coatings.
6. 25G optical module according to claim 5, it is characterised in that: the formula of the thermal dispersant coatings are as follows: by weight
Number, 20~25 parts of FeO powder, MnO220~25 parts of powder, 8~10 parts of CuO powder, 50~60 parts of hollow glass microbead, bisphenol-A
100~160 parts of type epoxy resin, 2000 parts of deionized water；Powder diameter≤0.5 μm of each metal oxide, it is described in
Partial size≤5 μm of empty glass microballoon.
7. 25G optical module according to claim 6, it is characterised in that: the formula of the thermal dispersant coatings are as follows: by weight
Number, 25 parts of FeO powder, MnO220 parts of powder, 8 parts of CuO powder, 55 parts of hollow glass microbead, 135 parts of bisphenol A type epoxy resin,
2000 parts of deionized water.
8. 25G optical module according to claim 6 or 7, it is characterised in that: the preparation method of the thermal dispersant coatings includes such as
Lower step:
(1) by MnO2After powder, CuO powder, hollow glass microbead mix, it is added in bisphenol A type epoxy resin, after mixing, then plus
Enter FeO powder and deionized water, ultrasound mixes, and obtains heat radiation coating；
(2) heat radiation coating is evenly coated in base portion (21) outer surface and/or radiating part (22) outer surface and/or the fin
(37) surface is subsequently placed in electric field, and 120~130V/cm is handled 5 minutes；
In entire galvanization, while applying uniform externally-applied magnetic field；The direction of the externally-applied magnetic field is perpendicular to coating coating side
To；Magnetic field strength is 0.5T, magnetic field 20~25mm of spacing；
(3) then 165~175 DEG C are being placed in, under ar gas environment, are keeping the temperature 2h；After natural cooling, clean 2~3 times；
(4) again under 450~550 DEG C, ar gas environment, 2h is kept the temperature；0.5h is kept the temperature at 750~800 DEG C again；After natural cooling,
Form thermal dispersant coatings.
9. 25G optical module according to claim 1, it is characterised in that: the optical mode block main body (10) is inserted into shell (20)
Other end upper and lower surface the first heat sink (41) and the second heat sink (42), first heat sink (41), is respectively set
Two heat sinks (42) are connected on shell (20) by fastening bolt (50).
10. 25G optical module according to claim 9, it is characterised in that: several dissipate is arranged on first heat sink (41)
Hot hole (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257572.2A CN109407221B (en) | 2018-10-26 | 2018-10-26 | 25G optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257572.2A CN109407221B (en) | 2018-10-26 | 2018-10-26 | 25G optical module |
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| Publication Number | Publication Date |
|---|---|
| CN109407221A true CN109407221A (en) | 2019-03-01 |
| CN109407221B CN109407221B (en) | 2020-06-26 |
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ID=65469854
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811257572.2A Active CN109407221B (en) | 2018-10-26 | 2018-10-26 | 25G optical module |
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| CN205728532U (en) * | 2016-06-30 | 2016-11-30 | 孔兵 | A kind of luggage case anti-skidding device |
| CN206181080U (en) * | 2016-11-01 | 2017-05-17 | 武汉东湖学院 | Thing allies oneself with supplementary radiating seat of network switches |
| CN107166178A (en) * | 2017-05-27 | 2017-09-15 | 东莞市闻誉实业有限公司 | High-efficiency radiating light fitting |
| CN107166239A (en) * | 2017-05-27 | 2017-09-15 | 东莞市闻誉实业有限公司 | Stowable heat radiation combination part |
| CN207037164U (en) * | 2017-07-28 | 2018-02-23 | 安费诺电子装配（厦门）有限公司 | A kind of optic communication transceiver |
| CN207675989U (en) * | 2018-01-09 | 2018-07-31 | 武汉铭之光科技有限公司 | A kind of radiating structure for high speed long range optical module |
| CN207884631U (en) * | 2018-01-09 | 2018-09-18 | 武汉铭之光科技有限公司 | It is a kind of that mechanism is quickly cooled down based on SR4 optical modules |
| CN207800595U (en) * | 2018-02-04 | 2018-08-31 | 青海民族大学 | A kind of integrated circuit package structure |
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| CN109407221B (en) | 2020-06-26 |
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