CN105451522B - A kind of heat dissipation workpiece and electronic equipment - Google Patents
A kind of heat dissipation workpiece and electronic equipment Download PDFInfo
- Publication number
- CN105451522B CN105451522B CN201510981113.9A CN201510981113A CN105451522B CN 105451522 B CN105451522 B CN 105451522B CN 201510981113 A CN201510981113 A CN 201510981113A CN 105451522 B CN105451522 B CN 105451522B
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- Prior art keywords
- heat dissipation
- heat
- dissipation workpiece
- workpiece
- conductive material
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 160
- 239000004020 conductor Substances 0.000 claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 48
- 229910002804 graphite Inorganic materials 0.000 claims description 48
- 239000010439 graphite Substances 0.000 claims description 48
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 230000005855 radiation Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The embodiment of the invention discloses a kind of heat dissipation workpiece, including the inner surface and the outer surface；The surface that the inner surface is formed by the effective heat dissipation region for the highly heat-conductive material that the heat dissipation workpiece uses, for when one end of the heat dissipation workpiece is contacted with heat source, the heat of the heat source is obtained, and passes through the other end that the heat got is transferred to the heat dissipation workpiece by itself from one end of the heat dissipation workpiece；Wherein, the heat dissipation workpiece along inner surface institute's radiating efficiency in a first direction more than from the inner surface to outer surface radiating efficiency in a second direction.The embodiment of the invention also discloses a kind of electronic equipment.
Description
Technical field
The present invention relates to heat dissipation technology more particularly to a kind of heat dissipation workpiece and electronic equipment.
Background technology
Electronic equipment is already into not retrievable article in for people's lives；Moreover, requirement of the user to electronic equipment
Increasingly diversification, for example, ultra-thin laptop is increasingly subject to user to favor；Existing ultra-thin laptop is usual
It is designed using fan-free (fan-less), reduces the weight of laptop；But existing fan-less designs are passed by heat
It leads and heat radiation mode radiates, heat dissipation effect is bad；Therefore, how to be dissipated in heat transfer and heat radiation mode
Increase the problem of radiating efficiency becomes urgent need to resolve in the process of heat, to promote user experience.
The content of the invention
To solve existing technical problem, an embodiment of the present invention provides a kind of heat dissipation workpiece and electronic equipments.
What the technical solution of the embodiment of the present invention was realized in：
An embodiment of the present invention provides a kind of heat dissipation workpiece, including the inner surface and the outer surface；
The surface that the inner surface is formed by the effective heat dissipation region for the highly heat-conductive material that the heat dissipation workpiece uses, is used
In when one end of the heat dissipation workpiece is contacted with heat source, the heat of the heat source is obtained, and passes through the heat that itself will get
Measure the other end that the heat dissipation workpiece is transferred to from one end of the heat dissipation workpiece；
Wherein, the heat dissipation workpiece along inner surface institute's radiating efficiency in a first direction more than from inner surface to outer
Surface radiating efficiency in a second direction.
In said program, the highly heat-conductive material is graphite, and effective heat dissipation region is using the stone made by graphite
The region that the first surface of black plate is formed；Wherein, the area of the first surface is greater than or equal to other of the graphite cake
The area on surface.
In said program, what the heat dissipation workpiece was formed for the graphite cake after curling is handled.
In said program, the heat dissipation workpiece is following any figure along the cross section of the second direction：It is polygon, ellipse
Circular, circular and annular.
In said program, the heat dissipation workpiece further includes：Filling member；Wherein, the filling member, for the inner surface
Contact to fill the central area of the heat dissipation workpiece, makes the heat dissipation workpiece form solid construction.
In said program, the filling member is highly heat-conductive material.
In said program, the highly heat-conductive material is metal material；Accordingly, the filling member is metalwork.
In said program, when the heat dissipation workpiece is formed for the graphite cake after curling is handled, the metalwork
For the volume heart of the heat dissipation workpiece.
In said program, the heat dissipation workpiece further includes：Clad；The clad, for coating the heat dissipation workpiece
Outer surface, in order to it is described heat dissipation workpiece isolate with other device electrics.
The embodiment of the present invention additionally provides a kind of electronic equipment, and the electronic equipment includes any one of claim 1 to 9 institute
The heat dissipation workpiece stated；The heat dissipation workpiece, for being connected with the heat source in the electronic equipment, the heat source to be aided in be dissipated
Heat.
Heat dissipation workpiece and electronic equipment described in the embodiment of the present invention, since highly heat-conductive material different surfaces make use of to have
The radiating principle of different radiating efficiencys, and using the higher surface of highly heat-conductive material heat transfer efficiency as the interior table of the heat dissipation workpiece
Face, so, it improves using highly heat-conductive material as radiating efficiency during heat dissipation workpiece, and then improves user experience.
Description of the drawings
Fig. 1 is the schematic diagram of graphite cake；
Fig. 2 is the schematic diagram through curling treated graphite cake in the embodiment of the present invention；
Fig. 3 is the schematic diagram of existing heat dissipation workpiece；
Fig. 4 to Fig. 6 is the manufacturing process schematic diagram of heat dissipation workpiece of the embodiment of the present invention.
Specific embodiment
The basic thought of the embodiment of the present invention is：The effective heat dissipation region institute shape for the highly heat-conductive material that the workpiece that radiates is used
Into surface be arranged to it is described heat dissipation workpiece inner surface, at this point, when it is described heat dissipation workpiece one end contacted with heat source when, it is described
Inner surface can obtain the heat of the heat source, and pass through itself and transfer the heat got from one end of the heat dissipation workpiece
To the other end of the heat dissipation workpiece；Here, the heat dissipation workpiece along the inner surface radiating efficiency in a first direction
More than from the inner surface to outer surface radiating efficiency in a second direction.In this way, have using highly heat-conductive material different surfaces
The radiating principle of different radiating efficiencys, the radiating efficiency of heat radiation workpiece, and then improve user experience.
In order to more fully hereinafter understand the features of the present invention and technology contents, below in conjunction with the accompanying drawings to the reality of the present invention
It is now described in detail, appended attached drawing purposes of discussion only for reference, is not used for limiting the present invention.
Embodiment one
An embodiment of the present invention provides a kind of heat dissipation workpiece；The heat dissipation workpiece, including the inner surface and the outer surface；
The surface that the inner surface is formed by the effective heat dissipation region for the highly heat-conductive material that the heat dissipation workpiece uses, is used
In when one end of the heat dissipation workpiece is contacted with heat source, the heat of the heat source is obtained, and passes through the heat that itself will get
Measure the other end that the heat dissipation workpiece is transferred to from one end of the heat dissipation workpiece；
Wherein, the heat dissipation workpiece along inner surface institute's radiating efficiency in a first direction more than from inner surface to outer
Surface radiating efficiency in a second direction.
Here, the first direction refers to the tangential direction of the inner surface；The second direction can refer specifically to it is described
The vertical direction of tangential direction, alternatively, having the direction of first angle with the tangential direction, the first angle can be big
It is less than any angle of 180 degree in 0 degree.
In one embodiment, when the highly heat-conductive material is graphite, effective heat dissipation region is using graphite institute
The region that the first surface of manufactured graphite cake is formed；Wherein, the area of the first surface is greater than or equal to the graphite
The area of the other surfaces of plate.As shown in Figure 1, surface of the first surface where horizontal direction, i.e., the shown in FIG. 1 3rd
Surface where direction, since the area of the first surface is more than the area of other surfaces, so the first surface dissipates
Thermal efficiency highest.That is, using the first surface as during the inner surface of the heat dissipation workpiece, the heat dissipation workpiece dissipates
Thermal efficiency highest.
In practical applications, for make full use of radiating efficiency of the highly heat-conductive material on third direction be more than fourth direction on
Radiating efficiency radiating principle, in the present embodiment, the heat dissipation workpiece can be specially further the graphite cake through curling
It is formed after processing, that is to say, that as shown in Figure 1, the graphite cake is crimped along the third direction, after being crimped
Graphite cake using the graphite cake after curling as during heat dissipation workpiece, can play the radiating efficiency of graphite cake to maximum.
Further, when the heat dissipation workpiece is formed for the graphite cake after curling is handled, the heat dissipation work
Part is following any figure along the cross section of the second direction：Polygon, ellipse, circle and annular
Here, the polygon has N side, and the N is the positive integer more than or equal to 3, and each in the N side
Side can be straight line, or camber line.
Fig. 2 is schematic diagram of the embodiment of the present invention through curling treated graphite cake, as shown in Fig. 2, when the second party
During the vertical direction of tangential direction described in Xiang Weiyu, using curling as shown in Figure 2 treated graphite cake as during heat dissipation workpiece,
The cross section of the heat dissipation workpiece is circle.In practical applications, as shown in Fig. 2, can by it is described heat dissipation workpiece one end with
Heat source connects, and then by the heat dissipation workpiece, the heat of the heat source is transferred to the other end from described one end, is realized to heat
The heat dissipation in source.
In practical applications, it is described in the present embodiment for the heat sinking function is enable to be electrically isolated with other components
Heat dissipation workpiece further includes：Clad；The clad, for coating the outer surface of the heat dissipation workpiece, in order to the heat dissipation
Workpiece is isolated with other device electrics.Specifically, the clad can select polyethylene terephthalate (PET) film.
Fig. 3 is the schematic diagram of existing heat dissipation workpiece；As shown in figure 3, the existing heat dissipation workpiece is that graphite cake is superimposed and shape
Into that is, M graphite cake stacks to be formed, and M is positive integer more than or equal to 2, since existing heat dissipation workpiece utilizes graphite cake the
The higher principle of one surface radiating efficiency, so, when by it is shown in Fig. 3 it is existing heat dissipation workpiece end thereof contacts heat source when, it is another
The temperature difference for holding one end with contacting heat source is 5.5 DEG C, and uses the heat dissipation workpiece contact heat source described in the embodiment of the present invention
The temperature difference of one end and the other end is 4.8 DEG C, it is clear that compared with existing heat dissipation workpiece, the heat dissipation work described in the embodiment of the present invention
The radiating efficiency of part is high, low to the heat radiation of ambient enviroment.
Heat dissipation workpiece described in the embodiment of the present invention, due to make use of highly heat-conductive material different surfaces that there are different heat dissipations to imitate
The radiating principle of rate, and using the higher surface of highly heat-conductive material heat transfer efficiency as the inner surface of the heat dissipation workpiece, so, it carries
It has risen using highly heat-conductive material as radiating efficiency during heat dissipation workpiece, and then has improved user experience.
Further, since using the higher surface of highly heat-conductive material heat transfer efficiency as the inner surface of the heat dissipation workpiece, and from
Inner surface to outer surface radiating efficiency in a second direction less than the inner surface radiating efficiency in tangential direction,
So the heat dissipation workpiece described in the embodiment of the present invention, can be transferred to the other end from one end of heat dissipation workpiece well by heat,
The influence generated to surrounding other components is relatively low, and by taking Fig. 2 as an example, the heat dissipation workpiece can be by heat from being contacted with heat source
One end is transferred to the other end, and in heat transfer process, pair other components close with the intermediate region of the heat dissipation workpiece
Heat radiation it is relatively low, so, not only radiating efficiency is high for the embodiment of the present invention, but also small to surrounding environment influence.
Embodiment two
An embodiment of the present invention provides a kind of heat dissipation workpiece；The heat dissipation workpiece, including the inner surface and the outer surface；
The surface that the inner surface is formed by the effective heat dissipation region for the highly heat-conductive material that the heat dissipation workpiece uses, is used
In when one end of the heat dissipation workpiece is contacted with heat source, the heat of the heat source is obtained, and passes through the heat that itself will get
Measure the other end that the heat dissipation workpiece is transferred to from one end of the heat dissipation workpiece；
Wherein, the heat dissipation workpiece along inner surface institute's radiating efficiency in a first direction more than from inner surface to outer
Surface radiating efficiency in a second direction.
Here, the first direction refers to the tangential direction of the inner surface；The second direction can refer specifically to it is described
The vertical direction of tangential direction, alternatively, having the direction of first angle with the tangential direction, the first angle can be big
It is less than any angle of 180 degree in 0 degree.
In one embodiment, when the highly heat-conductive material is graphite, effective heat dissipation region is using graphite institute
The region that the first surface of manufactured graphite cake is formed；Wherein, the area of the first surface is greater than or equal to the graphite
The area of the other surfaces of plate.As shown in Figure 1, surface of the first surface where horizontal direction, i.e., the shown in FIG. 1 3rd
Surface where direction, since the area of the first surface is more than the area of other surfaces, so the first surface dissipates
Thermal efficiency highest.That is, using the first surface as during the inner surface of the heat dissipation workpiece, the heat dissipation workpiece dissipates
Thermal efficiency highest.
In practical applications, for make full use of radiating efficiency of the highly heat-conductive material on third direction be more than fourth direction on
Radiating efficiency radiating principle, in the present embodiment, the heat dissipation workpiece can be specially further the graphite cake through curling
It is formed after processing, that is to say, that as shown in Figure 1, the graphite cake is crimped along the third direction, after being crimped
Graphite cake using the graphite cake after curling as during heat dissipation workpiece, can play the radiating efficiency of graphite cake to maximum.
Further, when the heat dissipation workpiece is formed for the graphite cake after curling is handled, the heat dissipation work
Part is following any figure along the cross section of the second direction：Polygon, ellipse, circle and annular.
Here, the polygon has N side, and the N is the positive integer more than or equal to 3, and each in the N side
Side can be straight line, or camber line.
In practical applications, for ease of being crimped processing to graphite cake, the heat dissipation workpiece further includes：Filling member；Its
In, the filling member for being contacted with the inner surface, to fill the central area of the heat dissipation workpiece, makes the heat dissipation work
Part forms solid construction.Further, it is the radiating efficiency of heat radiation workpiece, the filling member is highly heat-conductive material, for example,
The highly heat-conductive material is metal material；Accordingly, the filling member is metalwork.
In the present embodiment, when the heat dissipation workpiece is formed for the graphite cake after curling is handled, the metalwork
For the volume heart of the heat dissipation workpiece.Fig. 4 to Fig. 6 is the manufacturing process schematic diagram of heat dissipation workpiece of the embodiment of the present invention, such as Fig. 4 institutes
It states, when the filling member is metalwork, the metalwork is pasted to the edge of graphite cake, and in the way of shown in Fig. 5,
Graphite cake is crimped processing, obtains the structure corresponding on the right side of Fig. 5；It will curling treated graphite cake housing PET film (figure
Not shown in), the heat dissipation workpiece described in the present embodiment is obtained, it further, in practical applications, can be according to electronic equipment pair
The size requirement of heat dissipation workpiece, after being cut out using direction shown in dotted lines in Figure 6 to heat dissipation workpiece, is applied to electronic equipment
In, therefore, the heat dissipation workpiece described in the embodiment of the present invention also possesses production, convenient for industrialized production.
Fig. 2 is schematic diagram of the embodiment of the present invention through curling treated graphite cake, as shown in Fig. 2, when the second party
During the vertical direction of tangential direction described in Xiang Weiyu, using curling as shown in Figure 2 treated graphite cake as during heat dissipation workpiece,
The cross section of the heat dissipation workpiece is circle.In practical applications, as shown in Fig. 2, can by it is described heat dissipation workpiece one end with
Heat source connects, and then by the heat dissipation workpiece, the heat of the heat source is transferred to the other end from described one end, is realized to heat
The heat dissipation in source.
In practical applications, it is described in the present embodiment for the heat sinking function is enable to be electrically isolated with other components
Heat dissipation workpiece further includes：Clad；The clad, for coating the outer surface of the heat dissipation workpiece, in order to the heat dissipation
Workpiece is isolated with other device electrics.Specifically, the clad can select polyethylene terephthalate (PET) film.
Fig. 3 is the schematic diagram of existing heat dissipation workpiece；As shown in figure 3, the existing heat dissipation workpiece is that graphite cake is superimposed and shape
Into that is, M graphite cake stacks to be formed, and M is positive integer more than or equal to 2, since existing heat dissipation workpiece utilizes graphite cake the
The higher principle of one surface radiating efficiency, so, when by it is shown in Fig. 3 it is existing heat dissipation workpiece end thereof contacts heat source when, it is another
The temperature difference for holding one end with contacting heat source is 5.5 DEG C, and uses the heat dissipation workpiece contact heat source described in the embodiment of the present invention
The temperature difference of one end and the other end is 4.8 DEG C, it is clear that compared with existing heat dissipation workpiece, the heat dissipation work described in the embodiment of the present invention
The radiating efficiency of part is high, low to the heat radiation of ambient enviroment.
Heat dissipation workpiece described in the embodiment of the present invention, due to make use of highly heat-conductive material different surfaces that there are different heat dissipations to imitate
The radiating principle of rate, and using the higher surface of highly heat-conductive material heat transfer efficiency as the inner surface of the heat dissipation workpiece, so, it carries
It has risen using highly heat-conductive material as radiating efficiency during heat dissipation workpiece, and then has improved user experience.
Further, since using the higher surface of highly heat-conductive material heat transfer efficiency as the inner surface of the heat dissipation workpiece, and from
Inner surface to outer surface radiating efficiency in a second direction less than the inner surface radiating efficiency in tangential direction,
So the heat dissipation workpiece described in the embodiment of the present invention, can be transferred to the other end from one end of heat dissipation workpiece well by heat,
The influence generated to surrounding other components is relatively low, and by taking Fig. 2 as an example, the heat dissipation workpiece can be by heat from being contacted with heat source
One end is transferred to the other end, and in heat transfer process, pair other components close with the intermediate region of the heat dissipation workpiece
Heat radiation it is relatively low, so, not only radiating efficiency is high for the embodiment of the present invention, but also small to surrounding environment influence.
The embodiment of the present invention additionally provides a kind of electronic equipment, and the electronic equipment includes embodiment one or embodiment two is appointed
Heat dissipation workpiece described in one.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of heat dissipation workpiece, including the inner surface and the outer surface；
The surface that the inner surface is formed by the effective heat dissipation region for the highly heat-conductive material that the heat dissipation workpiece uses, for working as
One end of the heat dissipation workpiece obtains the heat of the heat source when being contacted with heat source, and pass through itself by the heat got from
One end of the heat dissipation workpiece is transferred to the other end of the heat dissipation workpiece；
Wherein, the heat dissipation workpiece along inner surface institute's radiating efficiency in a first direction more than from the inner surface to outer surface
Radiating efficiency in a second direction.
2. heat dissipation workpiece according to claim 1, which is characterized in that the highly heat-conductive material is graphite, described effectively to dissipate
Thermal region is the region that is formed using the first surface of the graphite cake made by graphite；Wherein, the area of the first surface
More than or equal to the area of the other surfaces of the graphite cake.
3. heat dissipation workpiece according to claim 2, which is characterized in that it is described heat dissipation workpiece for the graphite cake through curling at
It is formed after reason.
4. the heat dissipation workpiece according to Claims 2 or 3, which is characterized in that the heat dissipation workpiece is along the second direction
Cross section is following any figure：Polygon, ellipse, circle and annular.
5. the heat dissipation workpiece according to Claims 2 or 3, which is characterized in that the heat dissipation workpiece further includes：Filling member；Its
In, the filling member for being contacted with the inner surface, to fill the central area of the heat dissipation workpiece, makes the heat dissipation work
Part forms solid construction.
6. heat dissipation workpiece according to claim 5, which is characterized in that the filling member is highly heat-conductive material.
7. heat dissipation workpiece according to claim 6, which is characterized in that the highly heat-conductive material is metal material；Accordingly,
The filling member is metalwork.
8. heat dissipation workpiece according to claim 7, which is characterized in that when it is described heat dissipation workpiece for the graphite cake through curling
When being formed after processing, the metalwork is the volume heart of the heat dissipation workpiece.
9. heat dissipation workpiece according to claim 1, which is characterized in that the heat dissipation workpiece further includes：Clad；The bag
Coating, for coating the outer surface of the heat dissipation workpiece, in order to which the heat dissipation workpiece is isolated with other device electrics.
10. a kind of electronic equipment, which is characterized in that the electronic equipment includes claim 1 to 9 any one of them heat dissipation work
Part；The heat dissipation workpiece, for being connected with the heat source in the electronic equipment, the heat source to be aided in radiate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510981113.9A CN105451522B (en) | 2015-12-23 | 2015-12-23 | A kind of heat dissipation workpiece and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510981113.9A CN105451522B (en) | 2015-12-23 | 2015-12-23 | A kind of heat dissipation workpiece and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105451522A CN105451522A (en) | 2016-03-30 |
| CN105451522B true CN105451522B (en) | 2018-06-01 |
Family
ID=55561166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510981113.9A Active CN105451522B (en) | 2015-12-23 | 2015-12-23 | A kind of heat dissipation workpiece and electronic equipment |
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| CN (1) | CN105451522B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951751A (en) * | 2010-07-29 | 2011-01-19 | 山东天诺光电材料有限公司 | Method for preparing high-thermal conductivity graphite radiating fins |
| CN103096691A (en) * | 2012-06-25 | 2013-05-08 | 北京中石伟业科技股份有限公司 | Graphite film heat conductor |
| CN105142380A (en) * | 2015-09-14 | 2015-12-09 | 昆山奇华印刷科技有限公司 | Natural graphite/aluminium composite radiating fin and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397797A (en) * | 2010-06-17 | 2019-03-01 | 日立化成株式会社 | Thermally conductive sheet, the production method of thermally conductive sheet and radiator |
-
2015
- 2015-12-23 CN CN201510981113.9A patent/CN105451522B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951751A (en) * | 2010-07-29 | 2011-01-19 | 山东天诺光电材料有限公司 | Method for preparing high-thermal conductivity graphite radiating fins |
| CN103096691A (en) * | 2012-06-25 | 2013-05-08 | 北京中石伟业科技股份有限公司 | Graphite film heat conductor |
| CN105142380A (en) * | 2015-09-14 | 2015-12-09 | 昆山奇华印刷科技有限公司 | Natural graphite/aluminium composite radiating fin and preparation method thereof |
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|---|---|
| CN105451522A (en) | 2016-03-30 |
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