CN207699515U - A kind of multilayer conductive foam - Google Patents
A kind of multilayer conductive foam Download PDFInfo
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- CN207699515U CN207699515U CN201721798375.2U CN201721798375U CN207699515U CN 207699515 U CN207699515 U CN 207699515U CN 201721798375 U CN201721798375 U CN 201721798375U CN 207699515 U CN207699515 U CN 207699515U
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- foamed cotton
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Abstract
The utility model is related to shielding material technical fields, disclose a kind of multilayer conductive foam, including the PET protection film set gradually from top to bottom, first conductive layer of cloth, foamed cotton layer, hot melt adhesive layer, second conductive layer of cloth, it is double to lead copper foil layer, adhesive linkage, the lower surface of the PET protection film is bonded with the upper surface of the described first conductive layer of cloth, the lower surface of described first conductive layer of cloth is bonded with the upper surface of the foamed cotton layer, the lower surface of the foamed cotton layer is bonded with the upper surface of the hot melt adhesive layer, the lower surface of the hot melt adhesive layer is bonded with the upper surface of second conductive coating, the lower surface of second conductive coating is bonded with double upper surfaces for leading copper foil layer, double lower surfaces for leading copper foil layer are bonded with the upper surface of the adhesive linkage.The multilayer conductive foam of the utility model has many advantages, such as that shield effectiveness is good, is conveniently replaceable.
Description
Technical field
The utility model is related to shielding material technical fields, and in particular to a kind of multilayer conductive foam.
Background technology
Conducting foam is that conductive fabric is wrapped up on foam, after a series of processing, makes it have good surface and leads
Electrically, can be easy to be fixed on adhesive tape to need on shielding device, have different section shapes, installation method, UL grades and
The shielding material of shield effectiveness is available；Conducting foam can be divided by material：Aluminium foil cloth foam, conductive fibre fabric foam,
Gold-plated cloth foam, plating charcoal cloth foam etc..Conducting foam liner has good shielding properties then can be according to it when encountering electric wave
The property of object and reflected, absorbed, splendid shield effectiveness is provided.It is aobvious that conducting foam is widely used in PDP TVs, LCD
Show the electronic products such as device, LCD TV, mobile phone, notebook computer, MP3, communication cabinet, Medical Instruments and military project, space flight
Field.
Existing conductive foam structure, it is poor in electric conductivity, shielding etc. performance, do not have the property such as heat-insulated yet
Can, lead to conducting foam narrow scope of application and service life is short, has been unable to meet and the matchings such as growing electronic product
It is combined the requirement that dress uses.And conducting foam generally use seccotine in the prior art is adhered directly on electronic component, so
And there is foam timeliness, when reduced performance to be replaced, and seccotine has not expired when replacing, removing is number
It is tired.
Therefore, it is necessary to be improved to existing conducting foam.
Invention content
The purpose of this utility model is to provide a kind of with good shielding, the multilayer conductive foam being conveniently replaceable.
In order to achieve the above objectives, the utility model uses following technical scheme：
A kind of multilayer conductive foam, including set gradually from top to bottom PET protection film, the first conductive layer of cloth, foamed cotton layer,
Hot melt adhesive layer, double leads copper foil layer, adhesive linkage, the lower surface of the PET protection film and first conductive fabric at the second conductive layer of cloth
The lower surface of the upper surface fitting of layer, the described first conductive layer of cloth is bonded with the upper surface of the foamed cotton layer, the foamed cotton layer
Lower surface is bonded with the upper surface of the hot melt adhesive layer, the upper table of the lower surface of the hot melt adhesive layer and second conductive coating
Face paste is closed, and the lower surface of second conductive coating is bonded with double upper surfaces for leading copper foil layer, and described pair is led copper foil layer
Lower surface is bonded with the upper surface of the adhesive linkage.
Further, multiple through-holes are provided in the foamed cotton layer, the conductor wire is arranged in the through-hole, described to lead
The both ends of electric wire are electrically connected by drawing electric wire with the described first conductive layer of cloth, the second conductive layer of cloth.
Further, the electric wire that draws is arranged in the inside of the foamed cotton layer, and positioned at the both ends of the foamed cotton layer, and passes through
Wear hot melt adhesive layer；The axis parallel of the through-hole and the foamed cotton layer is arranged, and multiple through-holes are evenly distributed on the bubble
In cotton layer.
Further, the thickness of the PET protection film is 30 ~ 60 μm.
Further, conductive hole, first conductive fabric are provided on the described first conductive layer of cloth and the second conductive layer of cloth
The thickness of layer and the second conductive layer of cloth is 20 ~ 30 μm.
Further, the thickness of the foamed cotton layer is 300 ~ 800 μm, and the foamed cotton layer is melamine foam.
Further, the thickness of the hot melt adhesive layer is 40 ~ 60 μm.
Further, double thickness for leading copper foil layer are 30 ~ 100 μm.
Further, the adhesive linkage includes fixing conductive sticker, strength conductive adhesive layer and replaceable conductive adhesive layer, described
Strength conductive adhesive layer is located at the lower section of fixed conductive sticker and be bonded with its, and the replaceable conductive adhesive layer is located at fixed conducting resinl
The top of patch, the replaceable conductive adhesive layer lead copper foil layer and fixed conduction sticker is Nian Jie with double.
Further, the thickness of the adhesive linkage is 50 ~ 200 μm.
The utility model has the advantages that：
1, the utility model by multiple conductor wires are set inside foamed cotton layer so that it can conductive layer of cloth inside shape
It is connect with conductive layer of cloth at one layer of isolation protective net, and by drawing electric wire, can reach the purpose of multiple Isolated Shield.
2, the utility model adds PET protection film, and effect is：Surface protection and the cleaning for ensuring electronic product screen
Degree；It is used to support assembly other materials layer in an assembling process.
3, the utility model bilayer conductive cloth and hot melt adhesive layer structure have good surface conductivity, easy to use, easily
Cementation, which is scheduled on, to be needed on shielding device.
4, the utility model includes fixed conductive sticker, strength conductive adhesive layer and Ke Geng by the way that adhesive linkage, adhesive linkage is arranged
Conductive adhesive layer is changed, strength conductive adhesive layer is for fixing conducting foam and electronic component, replaceable conductive adhesive layer and fixed conduction
It can easily be replaced between sticker, it is convenient and practical when replacing conducting foam without clearing up seccotine during use.
5, added in the utility model it is double lead copper foil layer, while ensureing that adhesive tape is easier to cut, improve it and lead
Heat and electric conductivity.
Description of the drawings
Fig. 1 is the structural schematic diagram of conducting foam provided by the utility model.
Specific implementation mode
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
As shown in Figure 1, the conducting foam of the utility model, including the PET protection film 1, first that sets gradually from top to bottom
The conductive layer of cloth 5 of conductive layer of cloth 2, foamed cotton layer 3, hot melt adhesive layer 4, second double leads copper foil layer 6, adhesive linkage 7, the PET protection film 1
Lower surface be bonded with the upper surface of the described first conductive layer of cloth 2, the lower surface of the described first conductive layer of cloth 2 and the foamed cotton layer
3 upper surface fitting, the lower surface of the foamed cotton layer 3 are bonded with the upper surface of the hot melt adhesive layer 4, the hot melt adhesive layer 4
Lower surface is bonded with the upper surface of second conductive coating 5, and copper foil is led in the lower surface of second conductive coating 5 with described pair
The upper surface fitting of layer 6, double lower surfaces for leading copper foil layer 6 are bonded with the upper surface of the adhesive linkage 7.
In a specific embodiment, multiple through-holes are provided in foamed cotton layer 3, conductor wire 8 is arranged in through-hole, conductive
The both ends of line 8 are electrically connected by drawing electric wire 9 with described first the 2, second conductive layer of cloth 5 of conductive layer of cloth.
Wherein, draw electric wire 9 to be arranged in the inside of the foamed cotton layer 3, and positioned at the both ends of foamed cotton layer 3, and run through hot melt adhesive
Layer 4；The axis parallel of through-hole and foamed cotton layer 3 is arranged, and multiple through-holes are evenly distributed in foamed cotton layer 3；The quantity of through-hole is 2 ~ 6
It is a.
Prevented so that it can form one layer of isolation in the inside of conductive layer of cloth by the way that multiple conductor wires are arranged inside foamed cotton layer
Protecting wire net, and connect it with conductive layer of cloth by drawing electric wire, it can reach the purpose of multiple Isolated Shield.
The thickness of PET protection film is 30 ~ 60 μm；In a specific embodiment, thickness is 45 μm.
The effect of PET protection film is：Surface protection and the cleannes for ensuring electronic product screen；It is used in an assembling process
Support assembly other materials layer.
Conductive hole, the described first conductive layer of cloth and the second conductive fabric are provided on first conductive layer of cloth and the second conductive layer of cloth
The thickness of layer is 20 ~ 30 μm；In a specific embodiment, thickness is 25 μm.
The thickness of foamed cotton layer is 300 ~ 800 μm；In a specific embodiment, thickness is 500 μm；Foamed cotton layer can be
Melamine foam.
The thickness of hot melt adhesive layer is 40 ~ 60 μm；In a specific embodiment, thickness is 50 μm；Bilayer conductive cloth and
Hot melt adhesive layer structure has good surface conductivity, and easy to use, easy to stick be fixed on needs on shielding device.
Double thickness for leading copper foil layer are 30 ~ 100 μm；In a specific embodiment, thickness is 60 μm.
Double copper foil layers of leading improve its heat conduction and electric conductivity while ensureing that adhesive tape is easier to cut.
Adhesive linkage includes that fixed conductive sticker, strength conductive adhesive layer and replaceable conductive adhesive layer, strength conductive adhesive layer are located at
The lower section of fixed conduction sticker is simultaneously be bonded with its, and replaceable conductive adhesive layer is located at the top of fixed conductive sticker, described replaceable
Conductive adhesive layer leads copper foil layer and fixed conduction sticker is Nian Jie with double.
The thickness of adhesive linkage is 50 ~ 200 μm；In a specific embodiment, thickness is 120 μm.
Strength conductive adhesive layer is for fixing conducting foam and electronic component, replaceable conductive adhesive layer and fixed conductive sticker
Between can easily be replaced, be not necessarily to when replacing conducting foam during use clear up seccotine, it is convenient and practical.
The description of the embodiments and the specification only illustrate the principle of the present utility model and most preferred embodiment, is not taking off
Under the premise of from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes and improvements
It both falls in claimed the scope of the utility model.
Claims (10)
1. a kind of multilayer conductive foam, which is characterized in that including set gradually from top to bottom PET protection film, the first conductive fabric
Layer, foamed cotton layer, hot melt adhesive layer, the second conductive layer of cloth, it is double lead copper foil layer, adhesive linkage, the lower surface of the PET protection film with it is described
The lower surface of the upper surface fitting of first conductive layer of cloth, the described first conductive layer of cloth is bonded with the upper surface of the foamed cotton layer, institute
The lower surface for stating foamed cotton layer is bonded with the upper surface of the hot melt adhesive layer, and the lower surface of the hot melt adhesive layer is conductive with described second
The upper surface of coating is bonded, and the lower surface of second conductive coating is bonded with double upper surfaces for leading copper foil layer, described double
The lower surface for leading copper foil layer is bonded with the upper surface of the adhesive linkage.
2. conducting foam according to claim 1, which is characterized in that multiple through-holes are provided in the foamed cotton layer, it is described
Conductor wire is arranged in the through-hole, and the both ends of the conductor wire are by drawing electric wire and the described first conductive layer of cloth, the second conduction
Layer of cloth is electrically connected.
3. conducting foam according to claim 2, which is characterized in that the electric wire that draws is arranged in the foamed cotton layer
Portion, and positioned at the both ends of the foamed cotton layer, and run through hot melt adhesive layer；The axis parallel of the through-hole and the foamed cotton layer is set
It sets, multiple through-holes are evenly distributed in the foamed cotton layer.
4. conducting foam according to claim 1, which is characterized in that the thickness of the PET protection film is 30 ~ 60 μm.
5. conducting foam according to claim 1, which is characterized in that on the described first conductive layer of cloth and the second conductive layer of cloth
It is provided with conductive hole, the thickness of the described first conductive layer of cloth and the second conductive layer of cloth is 20 ~ 30 μm.
6. conducting foam according to claim 1, which is characterized in that the thickness of the foamed cotton layer is 300 ~ 800 μm, described
Foamed cotton layer is melamine foam.
7. conducting foam according to claim 1, which is characterized in that the thickness of the hot melt adhesive layer is 40 ~ 60 μm.
8. conducting foam according to claim 1, which is characterized in that double thickness for leading copper foil layer are 30 ~ 100 μm.
9. conducting foam according to claim 1, which is characterized in that the adhesive linkage includes fixed conductive sticker, strength
Conductive adhesive layer and replaceable conductive adhesive layer, the strength conductive adhesive layer are located at the lower section of fixed conductive sticker and, institute be bonded with its
State the top that replaceable conductive adhesive layer is located at fixed conductive sticker, the replaceable conductive adhesive layer is led copper foil layer and fixed led with double
Electric sticker bonding.
10. conducting foam according to claim 1, which is characterized in that the thickness of the adhesive linkage is 50 ~ 200 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798375.2U CN207699515U (en) | 2017-12-21 | 2017-12-21 | A kind of multilayer conductive foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798375.2U CN207699515U (en) | 2017-12-21 | 2017-12-21 | A kind of multilayer conductive foam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207699515U true CN207699515U (en) | 2018-08-07 |
Family
ID=63027741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721798375.2U Active CN207699515U (en) | 2017-12-21 | 2017-12-21 | A kind of multilayer conductive foam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207699515U (en) |
-
2017
- 2017-12-21 CN CN201721798375.2U patent/CN207699515U/en active Active
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