CN109397789A - A kind of 2 layers or more of conduction graphite film and preparation method thereof - Google Patents
A kind of 2 layers or more of conduction graphite film and preparation method thereof Download PDFInfo
- Publication number
- CN109397789A CN109397789A CN201811390778.2A CN201811390778A CN109397789A CN 109397789 A CN109397789 A CN 109397789A CN 201811390778 A CN201811390778 A CN 201811390778A CN 109397789 A CN109397789 A CN 109397789A
- Authority
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- China
- Prior art keywords
- graphite
- layers
- graphite linings
- linings
- conduction
- Prior art date
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Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 159
- 239000010439 graphite Substances 0.000 title claims abstract description 159
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000003292 glue Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 41
- 238000004891 communication Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
Abstract
The invention discloses 2 layers a kind of or more conduction graphite film and preparation method thereof and preparation method thereof, described 2 layers or more of conduction graphite film includes at least 2 layers of graphite linings；The graphite linings are successively stacked together；At least 2 layers of graphite linings are realized by interconnecting piece and are connected；The preparation method of 2 layers or more of the conduction graphite film is formed by a graphite film folding or is formed by refolding after 2 or the superposition of multiple graphite films；At least 2 layers of graphite linings realize by interconnecting piece and connect that heating conduction is more preferably in 2 layers of the present invention or more of conduction graphite film；In the case where meeting same cooling requirements, the number of plies of graphite linings needs less, and use cost is low；The preparation method of 2 layers of the present invention or more of conduction graphite film is simple, high production efficiency.
Description
Technical field
The present invention relates to a kind of improvement of conduction graphite film, refer in particular to a kind of heating conduction more preferably, use cost low 2 layers with
On conduction graphite film.
Background technique
Electronic component can generate a large amount of heat at work in existing communication equipment, if the heat cannot be timely
It sheds, will affect performance and the service life of electronic component, it is thermally conductive to generally use graphite film.
With the development of communication technology, the operating condition of electronic component becomes increasingly complex, the heat generated when working therewith
It is more and more, it can solve the heat conduction problem of electronic component with mono-layer graphite film originally, need 2 layers or more of graphite film later
It can solve heat conduction problem.
Existing 2 layers or more of graphite film generallys use the mode that graphite film is superimposed in layer and arranges, adjacent graphite
It is cemented between film layer using glue.As shown in Fig. 1, it is that graphite film is put in four stacking of one kind, includes the first graphite linings 1；Described
It is stacked with the second graphite linings 2 under one graphite linings 1, is cemented between first graphite linings 1 and the second graphite linings 2 using glue；Institute
It states and is stacked with third graphite linings 3 under the second graphite linings 2, it is viscous using glue between second graphite linings 2 and third graphite linings 3
Jail；It is stacked with the 4th graphite linings 4 under the third graphite linings 3, glue is used between the third graphite linings 3 and the 4th graphite linings 4
Water cements.The heating conduction of 2 layers or more of graphite film of this structure with the development of communication technology, can only be by increasing graphite
The number of plies of film meets the heat conduction problem of electronic component, and use cost is caused to be continuously improved.
We have developed a kind of heating conduction more preferably thus, 2 layers or more low of conduction graphite film of use cost.
Summary of the invention
A kind of heating conduction is provided the invention aims to overcome the deficiencies in the prior art more preferably, use cost is low
2 layers or more of conduction graphite film.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: 2 layers a kind of or more conduction graphite film, comprising extremely
Few 2 layers of graphite linings；The graphite linings are successively stacked together；At least 2 layers of graphite linings are realized by interconnecting piece and are connected.
Preferably, regularly arranged through-hole is evenly equipped on the interconnecting piece.
Preferably, described 2 layers or more of conduction graphite film includes the first graphite linings；First graphite linings are arranged with
Second graphite linings are cemented between first graphite linings and the second graphite linings using glue, the end of first graphite linings with
Interconnecting piece is provided between second graphite linings end；Second graphite linings are arranged with third graphite linings, second graphite
It is cemented between layer and third graphite linings using glue, is provided between the end and third graphite linings end of second graphite linings
Interconnecting piece；The third graphite linings are arranged with the 4th graphite linings, and glue is used between the third graphite linings and the 4th graphite linings
Water cements, and is provided with interconnecting piece between the end and the 4th graphite linings end of the third graphite linings.
Preferably, described 2 layers or more of conduction graphite film includes 8 layers of graphite linings.
Preferably, described 2 layers or more of conduction graphite film includes 12 layers of graphite linings.
Preferably, described 2 layers or more of conduction graphite film includes 16 layers of graphite linings.
Preferably, described 2 layers or more of conduction graphite film includes 32 layers of graphite linings.
Preferably, the preparation method of 2 layers or more of the conduction graphite film, is folded by a graphite film.
Preferably, the preparation method of 2 layers or more of the conduction graphite film, after being superimposed by 2 or multiple graphite films again
It folds.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
At least 2 layers of graphite linings are realized by interconnecting piece and are connected in 2 layers of the present invention or more of conduction graphite film, thermal conductivity
It can be more preferably；In the case where meeting same cooling requirements, the number of plies of graphite linings needs less, and use cost is low；It is of the present invention
2 layers or more of conduction graphite film preparation method it is simple, high production efficiency.
Detailed description of the invention
Technical scheme of the present invention is further explained with reference to the accompanying drawing:
The side view for the conduction graphite film that attached drawing 1 is existing 2 layers or more；
The side view for the conduction graphite film that attached drawing 2 is 2 layers of the present invention or more；
The diminution figure of the expanded view for the conduction graphite film that attached drawing 3 is 2 layers of the present invention or more；
Wherein: 1, the first graphite linings；2, the second graphite linings；3, third graphite linings；4, the 4th graphite linings；11, the first graphite linings；
12, the second graphite linings；13, third graphite linings；14, the 4th graphite linings；15, interconnecting piece；16, through-hole.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in further details.
The conduction graphite film that attached drawing 2-3 is 2 layers of the present invention or more includes the first graphite linings 11；First stone
Layer of ink 11 is arranged with the second graphite linings 12, is cemented between first graphite linings 11 and the second graphite linings 12 using glue, institute
It states and is provided with interconnecting piece 15 between 12 end of end and the second graphite linings of the first graphite linings 11；Second graphite linings 12 are divided into
Third graphite linings 13 are equipped with, are cemented between second graphite linings 12 and third graphite linings 13 using glue, second graphite
Interconnecting piece 15 is provided between 13 end of end and third graphite linings of layer 12；The third graphite linings 13 are arranged with the 4th stone
Layer of ink 14 is cemented between the third graphite linings 13 and the 4th graphite linings 14 using glue, the end of the third graphite linings 13
Interconnecting piece 15 is provided between 14 end of the 4th graphite linings.
In addition, the realization of interconnecting piece 15 is bent for convenience, in the present embodiment, it is evenly equipped on the interconnecting piece 15 regularly arranged
Through-hole 16.
In the present embodiment, the glue can be replaced with double-sided adhesive.
In the present embodiment, the graphite film is artificial graphite film or graphene film.
The preparation method of 2 layers or more of conduction graphite film described in the present embodiment is folded using a graphite film.When
So it is also possible to have refolding after 2 graphite film superpositions to form.
The design of the heating conduction of graphite film, stone are provided based on different graphite linings are connected above by increase interconnecting piece 15
Ink film is formed by stacking by 2 layers of graphite linings or the graphite linings greater than 2 layers, wherein at least has 2 layers of graphite linings real by interconnecting piece 15
It now connects, should be included in present inventive concept, just different one illustrate herein.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
At least 2 layers of graphite linings are realized by interconnecting piece and are connected in 2 layers of the present invention or more of conduction graphite film, thermal conductivity
It can be more preferably；In the case where meeting same cooling requirements, the number of plies of graphite linings needs less, and use cost is low；It is of the present invention
2 layers or more of conduction graphite film preparation method it is simple, high production efficiency.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (9)
1. 2 layers a kind of or more conduction graphite film includes at least 2 layers of graphite linings；The graphite linings are successively stacked together；It is special
Sign is: at least 2 layers of graphite linings are realized by interconnecting piece and are connected.
2. 2 layers according to claim 1 or more of conduction graphite film, it is characterised in that: be evenly equipped with rule on the interconnecting piece
The through-hole then arranged.
3. 2 layers according to claim 1 or more of conduction graphite film, it is characterised in that: include the first graphite linings；Described
One graphite linings are arranged with the second graphite linings, are cemented between first graphite linings and the second graphite linings using glue, and described
Interconnecting piece is provided between the end of one graphite linings and the second graphite linings end；Second graphite linings are arranged with third graphite
Layer, is cemented between second graphite linings and third graphite linings using glue, the end of second graphite linings and third graphite
Layer is provided with interconnecting piece between end；The third graphite linings are arranged with the 4th graphite linings, the third graphite linings and the 4th
It is cemented between graphite linings using glue, is provided with interconnecting piece between the end and the 4th graphite linings end of the third graphite linings.
4. 2 layers according to claim 1 or more of conduction graphite film, it is characterised in that: include 8 layers of graphite linings.
5. 2 layers according to claim 1 or more of conduction graphite film, it is characterised in that: include 12 layers of graphite linings.
6. 2 layers according to claim 1 or more of conduction graphite film, it is characterised in that: include 16 layers of graphite linings.
7. 2 layers according to claim 1 or more of conduction graphite film, it is characterised in that: include 32 layers of graphite linings.
8. according to claim 1 in -7 any 2 layers or more of conduction graphite film preparation method, it is characterised in that: by
One graphite film folds.
9. according to claim 1 in -7 any 2 layers or more of conduction graphite film preparation method, it is characterised in that: by 2
Or multiple graphite films superposition after refolding form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390778.2A CN109397789A (en) | 2018-11-21 | 2018-11-21 | A kind of 2 layers or more of conduction graphite film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390778.2A CN109397789A (en) | 2018-11-21 | 2018-11-21 | A kind of 2 layers or more of conduction graphite film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109397789A true CN109397789A (en) | 2019-03-01 |
Family
ID=65474529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811390778.2A Pending CN109397789A (en) | 2018-11-21 | 2018-11-21 | A kind of 2 layers or more of conduction graphite film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109397789A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137148A (en) * | 2019-04-19 | 2019-08-16 | 苏州市达昇电子材料有限公司 | A kind of composite heat-conducting graphite film |
| CN112708364A (en) * | 2019-10-25 | 2021-04-27 | 深圳市欣恒坤科技有限公司 | Heat dissipation carbon nanotube for intelligent electronic equipment |
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| CN103231554A (en) * | 2013-04-24 | 2013-08-07 | 常州碳元科技发展有限公司 | Laminated type high heat conduction graphite film structure |
| CN104202947A (en) * | 2014-08-20 | 2014-12-10 | 上海卫星装备研究所 | Flexible and light high-efficiency heat conducting cable |
| WO2014201686A1 (en) * | 2013-06-21 | 2014-12-24 | 北京中石伟业科技股份有限公司 | Heat conduction method for graphite-film heat conductor |
| CN106698407A (en) * | 2017-03-16 | 2017-05-24 | 北京化工大学 | Flexible graphene film capable of being repeatedly folded, preparation method of flexible graphene film and flexible device comprising flexible graphene film |
| CN209365515U (en) * | 2018-11-21 | 2019-09-10 | 苏州市达昇电子材料有限公司 | A kind of 2 layers or more of conduction graphite film |
-
2018
- 2018-11-21 CN CN201811390778.2A patent/CN109397789A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231554A (en) * | 2013-04-24 | 2013-08-07 | 常州碳元科技发展有限公司 | Laminated type high heat conduction graphite film structure |
| WO2014201686A1 (en) * | 2013-06-21 | 2014-12-24 | 北京中石伟业科技股份有限公司 | Heat conduction method for graphite-film heat conductor |
| CN104202947A (en) * | 2014-08-20 | 2014-12-10 | 上海卫星装备研究所 | Flexible and light high-efficiency heat conducting cable |
| CN106698407A (en) * | 2017-03-16 | 2017-05-24 | 北京化工大学 | Flexible graphene film capable of being repeatedly folded, preparation method of flexible graphene film and flexible device comprising flexible graphene film |
| CN209365515U (en) * | 2018-11-21 | 2019-09-10 | 苏州市达昇电子材料有限公司 | A kind of 2 layers or more of conduction graphite film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137148A (en) * | 2019-04-19 | 2019-08-16 | 苏州市达昇电子材料有限公司 | A kind of composite heat-conducting graphite film |
| CN112708364A (en) * | 2019-10-25 | 2021-04-27 | 深圳市欣恒坤科技有限公司 | Heat dissipation carbon nanotube for intelligent electronic equipment |
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