CN204157157U - A kind of flexible aluminum substrate structure - Google Patents
A kind of flexible aluminum substrate structure Download PDFInfo
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- CN204157157U CN204157157U CN201420558769.0U CN201420558769U CN204157157U CN 204157157 U CN204157157 U CN 204157157U CN 201420558769 U CN201420558769 U CN 201420558769U CN 204157157 U CN204157157 U CN 204157157U
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Abstract
The utility model relates to a kind of flexible aluminum substrate structure, comprises aluminium foil and thermal insulation layer, and described aluminium foil outside is provided with thermal insulation layer; Last layer flexible insulation heat-conducting layer is coated with at thermal insulation layer outer surface; At flexible insulation heat-conducting layer outer surface, Copper Foil is set; Anticorrosive coat is scribbled bottom aluminium foil.The utility model beneficial effect is: aluminium foil heat radiation, fast heat conduction, at aluminium foil roller pressing steel, and suitable conductor; Flexible insulation heat-conducting layer on aluminum foil coating, can increase flexibility, protection Copper Foil not frangibility; Thermal insulation layer is set, is conducive to high heat conductor insulation; Reduce costs, good heat dissipation effect, life of product is long.
Description
Technical field
The utility model relates to a kind of Metal Substrate heating panel, particularly relates to a kind of flexible aluminum substrate structure for flexible circuit.
Background technology
Aluminium base is a kind of metal-based copper-clad plate with good heat radiating function, and general single sided board is made up of three-decker, is circuit layer (Copper Foil), insulating barrier and metal-based layer respectively.Also be designed to double sided board for high-end use, structure is circuit layer, insulating barrier, aluminium base, insulating barrier, circuit layer; Only a few is applied as multi-layer sheet, can be formed by common multi-layer sheet and insulating barrier, aluminium base laminating.
Aluminium base is the Al-Mg-Si series high plasticity alloy sheets of low alloying, it has good thermal conductivity, electrical insulation properties and machining property, aluminium base is compared with traditional FR-4, adopt identical thickness, identical live width, aluminium base can carry higher electric current, and aluminium base is withstand voltage reaches 4500V, and conductive coefficient is greater than 2.0.Line layer (generally adopting electrolytic copper foil) forms printed circuit, for realizing assembling and the connection of device through etching; Compared with traditional FR-4, adopt identical thickness, identical live width, aluminium base can carry higher electric current.Insulating barrier is the most crucial technology of aluminium base, mainly plays bonding, the function of insulation and heat conduction, and aluminium-base plate insulating layer is conductive barrier maximum in power module architectures; Insulating barrier heat-conductive characteristic is better, is more conducive to institute when device runs and produces the diffusion of heat, be also more conducive to the operating temperature reducing device, thus reach the power load of raising module, the objects such as reduction volume, life-saving, raising power stage.
This case, it is important to note that existing aluminium base degree of flexibility is poor, poor thermal conductivity, particularly all lacks safeguard structure at flexible insulating layer outer surface, aluminium foil outer surface, then, and the heat conductivility extreme difference between flexible insulating layer and aluminium foil.Therefore, for above aspect, need reasonably to improve prior art.
Utility model content
For above defect; the utility model provides a kind of increases flexibility, can protect Copper Foil not frangibility, quick heat conduction of dispelling the heat, be conducive to reducing costs, flexible aluminum substrate structure that good heat dissipation effect, life of product are long, to solve many deficiencies of prior art.
For achieving the above object, the utility model is by the following technical solutions:
A kind of flexible aluminum substrate structure, comprise aluminium foil and thermal insulation layer, described aluminium foil outside is provided with thermal insulation layer; Last layer flexible insulation heat-conducting layer is coated with at thermal insulation layer outer surface; At flexible insulation heat-conducting layer outer surface, Copper Foil is set; Anticorrosive coat is scribbled bottom aluminium foil.
In addition, described aluminium foil outer surface can be coated with last layer flexible insulation heat-conducting layer;
Bottom described aluminium foil, can Copper Foil be set;
Described thermal insulation layer outer surface can arrange Copper Foil.
The beneficial effect of flexible aluminum substrate structure described in the utility model is:
(1) aluminium foil heat radiation, fast heat conduction, at aluminium foil roller pressing steel, suitable conductor;
(2) flexible insulation heat-conducting layer on aluminum foil coating, can increase flexibility, protection Copper Foil not frangibility;
(3) thermal insulation layer is set, is conducive to high heat conductor insulation;
(4) reduce costs, good heat dissipation effect, life of product is long.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is flexible aluminum substrate structure schematic diagram described in the utility model embodiment.
In figure:
1, aluminium foil; 2, thermal insulation layer; 3, flexible insulation heat-conducting layer; 4, Copper Foil; 5, anticorrosive coat.
Embodiment
embodiment 1
As shown in Figure 1, flexible aluminum substrate structure described in the utility model embodiment, comprise aluminium foil 1 and thermal insulation layer 2, described aluminium foil 1 outside is provided with thermal insulation layer 2 and is coated with last layer flexible insulation heat-conducting layer 3 at thermal insulation layer 2 outer surface, at flexible insulation heat-conducting layer 3 outer surface, Copper Foil 4 is set, thus flexible insulation heat-conducting layer 3 can increase flexibility, protection Copper Foil 4 not frangibility; Meanwhile, anticorrosive coat 5 is scribbled at aluminium foil 1 opposite side.
embodiment 2
As shown in Figure 1, flexible aluminum substrate structure described in the utility model embodiment, comprise aluminium foil 1 and thermal insulation layer 2, described aluminium foil 1 outside is provided with thermal insulation layer 2 and is coated with last layer flexible insulation heat-conducting layer 3 at thermal insulation layer 2 outer surface, at flexible insulation heat-conducting layer 3 outer surface, Copper Foil 4 is set, thus flexible insulation heat-conducting layer 3.
embodiment 3
As shown in Figure 1, the flexible aluminum substrate structure described in the utility model embodiment, comprises aluminium foil 1 and thermal insulation layer 2, and described aluminium foil 1 outside is provided with thermal insulation layer 2 and is coated with last layer flexible insulation heat-conducting layer 3 at thermal insulation layer 2 outer surface; Meanwhile, anticorrosive coat 5 is scribbled at aluminium foil 1 opposite side.
embodiment 4
As shown in Figure 1, the flexible aluminum substrate structure described in the utility model embodiment, comprises aluminium foil 1 and thermal insulation layer 2, and described aluminium foil 1 outer surface is coated with last layer flexible insulation heat-conducting layer 3, arranges Copper Foil 4 at flexible insulation heat-conducting layer 3 outer surface.
The above-mentioned description to embodiment can understand and apply this case technology for the ease of those skilled in the art, person skilled in the art obviously can make various amendment to these examples easily, and General Principle described herein is applied in other embodiment and need not through performing creative labour.Therefore, this case is not limited to above embodiment, and those skilled in the art is according to the announcement of this case, and the improvement made for this case and amendment all should in the protection ranges of this case.
Claims (4)
1. a flexible aluminum substrate structure, comprises aluminium foil (1) and thermal insulation layer (2), it is characterized in that:
Described aluminium foil (1) outside is provided with thermal insulation layer (2);
Last layer flexible insulation heat-conducting layer (3) is coated with at thermal insulation layer (2) outer surface;
At flexible insulation heat-conducting layer (3) outer surface, Copper Foil (4) is set;
Anticorrosive coat (5) is scribbled in aluminium foil (1) bottom.
2. flexible aluminum substrate structure according to claim 1, is characterized in that: described aluminium foil (1) outer surface can be coated with last layer flexible insulation heat-conducting layer (3).
3. flexible aluminum substrate structure according to claim 1, is characterized in that: described aluminium foil (1) bottom can arrange Copper Foil (4).
4. flexible aluminum substrate structure according to claim 1, is characterized in that: described thermal insulation layer (2) outer surface can arrange Copper Foil (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420558769.0U CN204157157U (en) | 2014-09-26 | 2014-09-26 | A kind of flexible aluminum substrate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420558769.0U CN204157157U (en) | 2014-09-26 | 2014-09-26 | A kind of flexible aluminum substrate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204157157U true CN204157157U (en) | 2015-02-11 |
Family
ID=52515242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420558769.0U Expired - Fee Related CN204157157U (en) | 2014-09-26 | 2014-09-26 | A kind of flexible aluminum substrate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204157157U (en) |
-
2014
- 2014-09-26 CN CN201420558769.0U patent/CN204157157U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20170926 |