CN213784020U - Efficient conductive shielding heat dissipation material - Google Patents
Efficient conductive shielding heat dissipation material Download PDFInfo
- Publication number
- CN213784020U CN213784020U CN202021330891.4U CN202021330891U CN213784020U CN 213784020 U CN213784020 U CN 213784020U CN 202021330891 U CN202021330891 U CN 202021330891U CN 213784020 U CN213784020 U CN 213784020U
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- China
- Prior art keywords
- layer
- graphite layer
- reinforcing
- graphite
- heat dissipation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 24
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 36
- 239000010439 graphite Substances 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 55
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000007747 plating Methods 0.000 abstract description 3
- 239000011345 viscous material Substances 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a high-efficient electrically conductive shielding heat dissipation material, it includes for electrically conductive and radiating graphite layer, subsides are applied in the reinforcing of graphite layer one side and are handled the layer and subside and be used for electrically conductive shielded metallic coating on the layer is handled in the reinforcing, the reinforcing handle the layer and adopt the gentle viscous material of polymer to make, be used for the reinforcing the soft performance of buckling of graphite layer. The utility model has the advantages that the material not only has the high conductivity and high heat dissipation function of the graphite layer, but also has the conductive shielding function by sticking a reinforcing treatment layer on the graphite layer and then directly plating a metal coating; and because of the effect of the reinforced treatment layer, the soft bending performance of the material is enhanced, the maximum degree reaches 90 degrees, no crack occurs, no metal layer is removed, and no fracture occurs. Therefore, the original high-efficiency heat dissipation function of the graphite layer is ensured, and the graphite layer has the conductive shielding function. Meanwhile, the defects of powder falling, frangibility, difficult processing and the like are also overcome.
Description
The technical field is as follows:
the utility model relates to an electric shielding material technical field refers in particular to a high-efficient electrically conductive shielding heat radiation material.
Background art:
along with the development of electronic products, the electronic products are more and more applied, and because the electronic components have precise and complex structures, the electronic components are easily damaged by static electricity in the circulation and use processes, so that the electrical parameters of the electronic components drift and the service life of the electronic components is shortened by a light person; the serious thing is that the components and parts are completely out of order, and electrostatic discharge (ESD) is a ubiquitous danger to data processing systems and communication electronic products with more and more obvious miniaturization trend.
At present, in order to solve this problem, shielding materials are increasingly used in electronic products. The existing shielding series materials have single functions and do not have composite functions, namely, the functions of heat dissipation and conductive shielding of products can not be simultaneously met. Modern electronic products are required to have not only a conductive shielding function but also a heat dissipation function. The shielding material of the related art greatly affects the range and effect of use thereof, and generally emits various electromagnetic waves from electronic devices including household electric appliances, cellular phones, personal computers, and electronic appliances. Among digital home appliances which are particularly growing remarkably, strong electromagnetic waves are emitted from flat panel displays such as plasma display panels and liquid crystal televisions, and there is a fear of an influence on human bodies. People may view images at relatively close distances relative to these displays, and sometimes for long periods of time. Therefore, it is necessary to suppress these electromagnetic waves.
The traditional conductive shielding material is manufactured by directly pasting copper foil on a graphite layer, the material has insufficient flexibility and is easy to crack and break, the graphite layer is easy to crack and break off powder in the processing and using processes, and a metal layer is easy to fall off, so that the finished product rate is low and the service life is low.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide a high-efficient electrically conductive shielding heat radiation material.
In order to solve the technical problem, the utility model discloses a following technical scheme: this high-efficient electrically conductive shielding heat dissipation material includes: the flexible shielding graphite layer comprises a graphite layer for conducting and radiating, a reinforcing treatment layer pasted on one side of the graphite layer and a metal coating pasted on the reinforcing treatment layer and used for conducting and shielding, wherein the reinforcing treatment layer is made of a high-molecular flexible adhesive material and used for reinforcing the flexible bending performance of the graphite layer.
Further, in the above technical solution, a double-sided adhesive layer is further attached to the other side of the graphite layer.
Further, in the above technical solution, a release protection layer is attached to the double-sided adhesive layer.
Further, in the above technical solution, the enhancement processing layer includes: the polymer soft plastic and the glue arranged on the two sides of the polymer soft plastic, or the reinforced treatment layer adopts the polymer glue.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model has the advantages that the material not only has the high conductivity and high heat dissipation function of the graphite layer, but also has the conductive shielding function by sticking a reinforcing treatment layer on the graphite layer and then directly plating a metal coating; and because of the effect of the reinforced treatment layer, the soft bending performance of the material is enhanced, the maximum degree reaches 90 degrees, no crack occurs, no metal layer is removed, and no fracture occurs. Therefore, the original high-efficiency heat dissipation function of the graphite layer is ensured, and the graphite layer has the conductive shielding function. Meanwhile, the defects of powder falling, frangibility, difficult processing and the like are also overcome.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals:
1 graphite layer 2 reinforcing treatment layer 3 metal coating
4 double-sided adhesive layer 5 release protective layer
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Referring to fig. 1, a high efficiency conductive shielding heat dissipation material comprises: the flexible metal coating comprises a graphite layer 1 for conducting and radiating, an enhanced treatment layer 2 attached to one side of the graphite layer 1, and a metal coating 3 attached to the enhanced treatment layer 2 and used for conducting and shielding, wherein the enhanced treatment layer 2 is made of a high-molecular flexible material and used for enhancing the flexible bending performance of the graphite layer 1.
And a double-sided adhesive layer 4 is also pasted on the other side of the graphite layer 1. And a release protective layer 5 is pasted on the double-sided adhesive layer 4. A double-sided adhesive layer 4 is attached to the other side of the graphite layer 1, and a release protective layer 5 is attached to the other side of the graphite layer 1 through the double-sided adhesive layer 4, so that the graphite layer 1 is better protected. The double-sided adhesive layer 4 is a conventional double-sided adhesive tape or a layer of glue, and the release protective layer 5 is a common release protective layer.
The enhancement treatment layer 2 comprises: the soft plastic of polymer and set up the glue in the soft plastic both sides of polymer, perhaps, this enhancement processing layer 2 adopts polymer glue.
The metal plating layer 3 comprises copper and/or nickel.
The graphite layer 1 is an artificial graphite sheet.
To sum up, the utility model discloses paste earlier in one side of graphite layer 1 and apply one deck reinforcing treatment layer 2, metal coating 3 is directly plated to the mode that rethread evaporation (spatter) plated to effectively reduced the thermal resistance, improved the heat permeability, strengthened the radiating effect, still possess the electrically conductive shielding function simultaneously. And through applying one deck reinforcing treatment layer 2 on graphite layer 1, strengthened the soft performance of buckling in graphite layer 1, graphite layer 1 can reach 90 at most and buckle, and does not crack, does not take off the metal level, does not split, consequently, the utility model discloses can enough guarantee the original high-efficient heat dissipation function in graphite layer 1, increase electrically conductive shielding function again. Meanwhile, the defects of powder falling, frangibility, difficult processing and the like are also overcome.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (4)
1. An efficient conductive shielding heat dissipation material, comprising: the flexible printed circuit board comprises a graphite layer (1) for conducting and radiating, a reinforcing treatment layer (2) attached to one side of the graphite layer (1) and a metal coating (3) attached to the reinforcing treatment layer (2) and used for conducting and shielding, wherein the reinforcing treatment layer (2) is made of a high-molecular flexible adhesive material and used for reinforcing the flexible bending performance of the graphite layer (1).
2. The high efficiency, electrically conductive, shielded, heat dissipating material of claim 1, wherein: and a double-sided bonding layer (4) is also pasted on the other side of the graphite layer (1).
3. The high efficiency conductive shielding heat dissipating material as claimed in claim 2, wherein: and a release protective layer (5) is pasted on the double-sided adhesive layer (4).
4. The high efficiency, electrically conductive, shielded, heat dissipating material of claim 1, wherein: the enhancement treatment layer (2) comprises: the polymer soft plastic and the glue arranged on the two sides of the polymer soft plastic, or the reinforced treatment layer (2) adopts the polymer glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021330891.4U CN213784020U (en) | 2020-07-08 | 2020-07-08 | Efficient conductive shielding heat dissipation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021330891.4U CN213784020U (en) | 2020-07-08 | 2020-07-08 | Efficient conductive shielding heat dissipation material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213784020U true CN213784020U (en) | 2021-07-23 |
Family
ID=76867179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021330891.4U Expired - Fee Related CN213784020U (en) | 2020-07-08 | 2020-07-08 | Efficient conductive shielding heat dissipation material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213784020U (en) |
-
2020
- 2020-07-08 CN CN202021330891.4U patent/CN213784020U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |