CN204031699U - Use for electronic products graphite heat-conducting fin - Google Patents
Use for electronic products graphite heat-conducting fin Download PDFInfo
- Publication number
- CN204031699U CN204031699U CN201420359607.4U CN201420359607U CN204031699U CN 204031699 U CN204031699 U CN 204031699U CN 201420359607 U CN201420359607 U CN 201420359607U CN 204031699 U CN204031699 U CN 204031699U
- Authority
- CN
- China
- Prior art keywords
- graphite
- length
- width
- graphite flake
- heat
- 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 - Lifetime
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 76
- 239000010439 graphite Substances 0.000 title claims abstract description 76
- 239000010410 layer Substances 0.000 claims abstract description 24
- 229920006267 polyester film Polymers 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 13
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- 239000008187 granular material Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 4
- 239000007770 graphite material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Carbon And Carbon Compounds (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a kind of use for electronic products graphite heat-conducting fin, comprises a graphite flake, and the upper and lower surface of this graphite flake is all covered with metal level; One off-style paper layer surface is covered with heat-conducting glue adhesion coating and bonding with the metal level of graphite linings lower surface, the laminated polyester film that a lower surface is coated with adhesive layer is covered on graphite flake upper surface, this laminated polyester film length and width are all greater than length and the width of graphite flake, one off-style paper layer is covered on another surface of heat-conducting glue adhesion coating, the length of this off-style paper layer and width are greater than respectively length and the width of graphite flake, and laminated polyester film length and width size equates with off-style paper layer length and width size.The utility model use for electronic products graphite heat-conducting fin can prevent that the graphite powder of graphite flake and graphite granule from coming off, thereby avoids short circuit and the electrical impact on wiring board, has improved the reliability of product.
Description
Technical field
The utility model relates to a kind of use for electronic products graphite heat-conducting fin, belongs to adhesive material technical field.
Background technology
Electronic product carries more and more lighting, and volume is more and more less, and function from strength to strength, causes integrated level more and more higher like this.Cause like this volume dwindling, function grow is large, directly causes the heat radiation of electronic devices and components to require more and more higher.On the one hand, the fan type radiating adopting in the past, because volume is large, can produce the problems such as noise, is eliminated gradually by market.And then produced other heat sink material, as Copper Foil, the heat radiation of aluminium foil class, but due to resource-constrained, and expensive, radiating effect is good in the imagination not also, slowly, all finding new efficient heat sink material.On the other hand, graphite material has property widely, comprise heigh clarity, high conductivity, high-termal conductivity, high strength etc., utilize graphite material, can develop various product application types, such as graphite circuit structure, graphite core chip architecture, graphite touch screen structure, etc.Although there are various application possibilities, be directed to graphite material, how it is effectively processed, such as precise cutting, be still the problem that needs solution.
But graphite flake also has weak point, though be that high conductive graphite sheet has certain folding resistance, but the weak strength between material, can be torn easily, or because of the displacement of institute's adhesive attachment means, disrepair phenomenon occur, entry material comes off etc., thereby cause the short circuit of circuit, again, in cutting graphite flake process, there will be the technical problems such as graphite flake breaks.
Summary of the invention
The utility model object is to provide a kind of use for electronic products graphite heat-conducting fin, and this use for electronic products graphite heat-conducting fin can prevent that the graphite powder of graphite flake and graphite granule from coming off, thereby avoids short circuit and the electrical impact on wiring board, has improved the reliability of product.
For achieving the above object, the kind technical scheme that the utility model adopts is: a kind of use for electronic products graphite heat-conducting fin, comprise a graphite flake, and the upper and lower surface of this graphite flake is all covered with metal level; One off-style paper layer surface is covered with heat-conducting glue adhesion coating and bonding with the metal level of graphite linings lower surface, the laminated polyester film that a lower surface is coated with adhesive layer is covered on graphite flake upper surface, this laminated polyester film length and width are all greater than length and the width of graphite flake, one off-style paper layer is covered on another surface of heat-conducting glue adhesion coating, the length of this off-style paper layer and width are greater than respectively length and the width of graphite flake, and laminated polyester film length and width size equates with off-style paper layer length and width size.
In technique scheme, further improved plan is as follows:
1. in such scheme, the length of described laminated polyester film and width all exceed 1 ~ 2mm than the length of graphite flake and width.
2. in such scheme, described graphite flake thickness is 20 ~ 100 μ m.
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
1. the utility model use for electronic products graphite heat-conducting fin, its laminated polyester film length and width are all greater than length and the width of graphite flake, one off-style paper layer is covered on another surface of heat-conducting glue adhesion coating, the length of this off-style paper layer and width are greater than respectively length and the width of graphite flake, and laminated polyester film length and width size equates with off-style paper layer length and width size, graphite powder and the graphite granule that can prevent graphite flake come off, thereby avoid short circuit and the electrical impact on wiring board, improved the reliability of product; Secondly, the upper and lower surface of graphite flake is all covered with metal level, employing is by the anisotropic metal level of wire coefficient and the combination of isotropism metal level, both improved the thermal conductivity along length, also improved thickness direction thermal conductivity, realize the uniformity of adhesive tape heat conductivility, exempted from adhesive tape local overheating, improved performance and the life-span of product.
2. the utility model use for electronic products graphite heat-conducting fin, it is positioned on the metal level of graphite flake lower surface and is coated with heat-conducting glue adhesion coating, be covered on when thermal component, both be conducive to and the seamless link for the treatment of thermal component, be beneficial to again heat diffusion, avoid graphite heat radiation fin local overheating, thereby improved performance and the life-span of product.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model use for electronic products graphite heat-conducting fin structural representation.
In above accompanying drawing: 1, graphite flake; 2, heat-conducting glue adhesion coating; 3, off-style paper layer; 4, metal level; 5, laminated polyester film; 6, adhesive layer.
Embodiment
Below in conjunction with embodiment, the utility model is further described:
Embodiment 1: a kind of use for electronic products graphite heat-conducting fin, comprise a graphite flake 1, and this upper and lower surface of graphite flake 1 is all covered with metal level 4; One off-style paper layer 3 surfaces are covered with heat-conducting glue adhesion coating 2 and bonding with the metal level of graphite linings 1 lower surface, the laminated polyester film 5 that a lower surface is coated with adhesive layer 6 is covered on graphite flake 1 upper surface, these laminated polyester film 5 length and width are all greater than length and the width of graphite flake 1, one off-style paper layer 3 is covered on heat-conducting glue adhesion coating 2 another surfaces, the length of this off-style paper layer 3 and width are greater than respectively length and the width of graphite flake 1, and laminated polyester film 5 length and width sizes equate with off-style paper layer 3 length and width sizes.
The length of above-mentioned laminated polyester film 5 and width all exceed 1.8mm than the length of graphite flake 1 and width.
Above-mentioned graphite flake 1 thickness is 45 μ m.
Embodiment 2: a kind of use for electronic products graphite heat-conducting fin, comprise a graphite flake 1, and this upper and lower surface of graphite flake 1 is all covered with metal level 4; One off-style paper layer 3 surfaces are covered with heat-conducting glue adhesion coating 2 and bonding with the metal level of graphite linings 1 lower surface, the laminated polyester film 5 that a lower surface is coated with adhesive layer 6 is covered on graphite flake 1 upper surface, these laminated polyester film 5 length and width are all greater than length and the width of graphite flake 1, one off-style paper layer 3 is covered on heat-conducting glue adhesion coating 2 another surfaces, the length of this off-style paper layer 3 and width are greater than respectively length and the width of graphite flake 1, and laminated polyester film 5 length and width sizes equate with off-style paper layer 3 length and width sizes.
The length of above-mentioned laminated polyester film 5 and width all exceed 1.5mm than the length of graphite flake 1 and width.
Above-mentioned graphite flake 1 thickness is 85 μ m.
While adopting above-mentioned use for electronic products graphite heat-conducting fin, it can prevent that the graphite powder of graphite flake and graphite granule from coming off, thereby avoids short circuit and the electrical impact on wiring board, has improved the reliability of product; Secondly, the upper and lower surface of graphite flake is all covered with metal level, employing is by the anisotropic metal level of wire coefficient and the combination of isotropism metal level, both improved the thermal conductivity along length, also improved thickness direction thermal conductivity, realize the uniformity of adhesive tape heat conductivility, exempted from adhesive tape local overheating, improved performance and the life-span of product.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (3)
1. a use for electronic products graphite heat-conducting fin, is characterized in that: comprise a graphite flake (1), the upper and lower surface of this graphite flake (1) is all covered with metal level (4), one off-style paper layer (3) surface is covered with heat-conducting glue adhesion coating (2) and bonding with the metal level of graphite linings (1) lower surface, the laminated polyester film (5) that a lower surface is coated with adhesive layer (6) is covered on graphite flake (1) upper surface, this laminated polyester film (5) length and width are all greater than length and the width of graphite flake (1), described off-style paper layer (3) is covered on another surface of heat-conducting glue adhesion coating (2), the length of this off-style paper layer (3) and width are greater than respectively length and the width of graphite flake (1), and laminated polyester film (5) length and width size equates with off-style paper layer (3) length and width size.
2. use for electronic products graphite heat-conducting fin according to claim 1, is characterized in that: the length of described laminated polyester film (5) and width all exceed 1 ~ 2mm than length and the width of graphite flake (1).
3. use for electronic products graphite heat-conducting fin according to claim 1, is characterized in that: described graphite flake (1) thickness is 20 ~ 100 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359607.4U CN204031699U (en) | 2014-07-01 | 2014-07-01 | Use for electronic products graphite heat-conducting fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359607.4U CN204031699U (en) | 2014-07-01 | 2014-07-01 | Use for electronic products graphite heat-conducting fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204031699U true CN204031699U (en) | 2014-12-17 |
Family
ID=52071519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420359607.4U Expired - Lifetime CN204031699U (en) | 2014-07-01 | 2014-07-01 | Use for electronic products graphite heat-conducting fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204031699U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106316397A (en) * | 2016-07-28 | 2017-01-11 | 芜湖迈特电子科技有限公司 | Method of preparing high-strength heat conducting graphite flakes with flow guiding and heat conducting functions |
| CN108937959A (en) * | 2018-07-19 | 2018-12-07 | 刘肖俊 | A kind of high degree of comfort high-reliability blood oxygen probe |
| CN108937958A (en) * | 2018-07-19 | 2018-12-07 | 刘肖俊 | A kind of high stable degree finger cot type blood oxygen probe suitable for using for a long time |
| CN110262105A (en) * | 2019-06-13 | 2019-09-20 | 武汉华星光电技术有限公司 | Display device |
-
2014
- 2014-07-01 CN CN201420359607.4U patent/CN204031699U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106316397A (en) * | 2016-07-28 | 2017-01-11 | 芜湖迈特电子科技有限公司 | Method of preparing high-strength heat conducting graphite flakes with flow guiding and heat conducting functions |
| CN106316397B (en) * | 2016-07-28 | 2019-05-10 | 芜湖迈特电子科技有限公司 | A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece |
| CN108937959A (en) * | 2018-07-19 | 2018-12-07 | 刘肖俊 | A kind of high degree of comfort high-reliability blood oxygen probe |
| CN108937958A (en) * | 2018-07-19 | 2018-12-07 | 刘肖俊 | A kind of high stable degree finger cot type blood oxygen probe suitable for using for a long time |
| CN110262105A (en) * | 2019-06-13 | 2019-09-20 | 武汉华星光电技术有限公司 | Display device |
| CN110262105B (en) * | 2019-06-13 | 2020-10-16 | 武汉华星光电技术有限公司 | Display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
|
| CX01 | Expiry of patent term |