CN208143714U - A kind of novel electromagnetic shielding film - Google Patents
A kind of novel electromagnetic shielding film Download PDFInfo
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- CN208143714U CN208143714U CN201820613075.0U CN201820613075U CN208143714U CN 208143714 U CN208143714 U CN 208143714U CN 201820613075 U CN201820613075 U CN 201820613075U CN 208143714 U CN208143714 U CN 208143714U
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Abstract
The utility model discloses a kind of novel electromagnetic shielding films, including inhaling wave layer, the first adhesive layer is provided at the top of the suction wave layer, conductive adhesive layer is provided at the top of first adhesive layer, metal layer is provided between the conductive adhesive layer, it is provided with the second adhesive layer at the top of the conductive adhesive layer, convex block is provided at the top of second adhesive layer, is provided with insulating layer at the top of the convex block.The utility model is by being equipped with conducting rod, metal foil and conductive adhesive layer, make metal foil by conducting rod to interlaced fixation, consequently facilitating absorbing the charge distributed inside machine, enter charge in conductive adhesive layer by conducting rod, to reduce the body temperature of metal foil, by being filled with Foaming of phenolic resin material in metal layer, to make metal layer that there is preferable elastic deformation ability, make metal foil under the fixation of conducting rod, improves its bending and flexibility.
Description
Technical field
The utility model relates to a kind of shielding material technical field, in particular to a kind of novel electromagnetic shielding film.
Background technique
Electromagnetic wave shielding is to refer to mask external disturbance electromagnetic signal, influences electronic component by other equipment
Or interference, it is one of important indicator of product quality.Continuous improvement with people to network communication rate request, smart phone
Equal portable terminals are higher and higher to the shielding requirements of hyperfrequency (1Ghz~50Ghz) signal, shielding usually by
The electromagnetic shielding film that is arranged in electronic equipment is realized.Currently, popular electromagnetic shielding film usually mainly includes base in the market
Bottom membrane, barrier film layer and conductive film layer；Its barrier film layer is usually fine silver metal layer, is mainly used in water power depositing process system
It is standby.However, the shielding of existing electromagnetic shielding film is poor, it can not meet the shielding requirements to ultra-high frequency signal, generally require volume
Outside by means of the metal foils such as copper, aluminium, silver reinforce shield, and the otherness of metal foil and electromagnetic shielding film make its reliability and
Easily there is the quick-fried version problem of high temperature drift tin in application process in poor heat resistance；Moreover, metal foil thickness is needed at 2 μm or more, patch
It is in flexible circuit board in use, not resistant to bending, it is flexible poor.
Therefore, a kind of novel electromagnetic shielding film is invented, it is necessary to solve the above problems.
Summary of the invention
The purpose of this utility model is to provide a kind of novel electromagnetic shielding films to make gold using conducting rod and foamed material
Belonging to layer has good elastic property, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of novel electromagnetic shielding film, including inhale wave
Layer, the suction wave layer top are provided with the first adhesive layer, are provided with conductive adhesive layer, the conducting resinl at the top of first adhesive layer
It is provided with metal layer between layer, the second adhesive layer is provided at the top of the conductive adhesive layer, is provided at the top of second adhesive layer
Convex block, the convex block top are provided with insulating layer.
Preferably, the suction wave layer is set as latticed, and ferrite block is filled in the grid.
Preferably, the convex block bottom and ferrite block surface are provided with heat-sink shell, include stone in the heat-sink shell
Black alkene particle.
Preferably, metal foil is provided in the metal layer, the metal foil is set as silver foil piece, the gold
Belong to paillon side and be provided with conducting rod, the conducting rod is set as metal material, and the metal layer is filled with Foaming of phenolic resin
Material.
Preferably, described conducting rod one end is applied in conductive adhesive layer, and conductive black is filled in the conductive adhesive layer.
Preferably, the convex block is set as semicircle shape, and the convex block is set as silicon carbide, and the insulating layer is by electro-insulating rubber
Material is made.
The technical effect and advantage of the utility model：
1, by being equipped with conducting rod, metal foil and conductive adhesive layer, make metal foil by conducting rod to interlaced
It is fixed, consequently facilitating absorbing the charge distributed inside machine, enter charge in conductive adhesive layer by conducting rod, to reduce
The body temperature of metal foil improves its heat resistance, avoids that the quick-fried version problem of high temperature drift tin occurs, by being filled in metal layer
Foaming of phenolic resin material makes metal foil in the fixation of conducting rod so that metal layer be made to have preferable elastic deformation ability
Under, improve its bending and flexibility；
2, wave layer, convex block and ferrite block are inhaled by being equipped with, makes ferrite block electromagnetic wave absorption, ferrite block, which has, to be absorbed
The features such as frequency range is high, absorptivity is high, matching thickness is thin, to make the radiation energy of a large amount of electromagnetic wave absorptions of ferrite block, then leads to
Overcoupling is the energy conversion of electromagnetic wave at thermal energy, and shield effectiveness is good, by being provided with heat-sink shell, to absorb ferrite block
The heat of generation, structure is simple, and performance is good, by being provided with convex block, so that convex block be made to absorb extraneous electromagnetic wave, avoids electricity
Magnetic shield film is penetrated by extraneous electromagnetic wave, so that machine be made to be interfered.
Detailed description of the invention
Fig. 1 is the overall structure schematic elevation view of the utility model.
Fig. 2 is the portion A enlarged structure schematic diagram in the utility model Fig. 1.
Fig. 3 is the utility model ferrite block structure schematic top plan view.
Fig. 4 is the portion B enlarged structure schematic diagram in the utility model Fig. 1.
In figure：1 inhale wave layer, 101 ferrite blocks, 2 first adhesive layers, 3 conductive adhesive layers, 4 metal layers, 401 metal foils,
402 conducting rods, 5 second adhesive layers, 6 convex blocks, 7 insulating layers, 8 heat-sink shells, 9 electro-insulating rubbers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of as shown in Figs 1-4, novel electromagnetic shielding film, including inhales wave layer 1, the suction wave
1 top of layer is provided with the first adhesive layer 2, conductive adhesive layer 3 is provided at the top of first adhesive layer 2, between the conductive adhesive layer 3
It is provided with metal layer 4, the second adhesive layer 5 is provided at the top of the conductive adhesive layer 3, is provided at the top of second adhesive layer 5 convex
Block 6 is provided with insulating layer 7 at the top of the convex block 6 thus electromagnetic wave absorption.
Further, in the above-mentioned technical solutions, the suction wave layer 1 is set as latticed, and iron is filled in the grid
Oxysome block 101, ferrite block 101 has the characteristics that absorption frequency range is high, absorptivity is high, matching thickness is thin, so as to largely inhale
Receive electromagnetic wave；
Further, in the above-mentioned technical solutions, 6 bottom of convex block and 101 surface of ferrite block are provided with heat absorption
Layer 8 includes graphene particles in the heat-sink shell 8 to absorb the heat generated when convex block 6 and the work of ferrite block 101,
Because of graphene particles good heat conductivity, so as to quickly absorb heat, prevent unit temp excessively high；
Further, in the above-mentioned technical solutions, metal foil 401, the metal foil are provided in the metal layer 4
401 are set as silver foil piece, and because silver foil piece electric conductivity is high, 401 side of metal foil is provided with conducting rod 402, described to lead
Electric pole 402 is set as metal material, and so as to export the charge in silver foil piece, the metal layer 4 is sent out filled with phenolic resin
Foam material, because Foaming of phenolic resin material thermal conductivity is low, heat-insulating property is good, also has preferable elastic deformation ability, thus
Enhance the elastic deformation ability of metal layer 4；
Further, in the above-mentioned technical solutions, described 402 one end of conducting rod is applied in conductive adhesive layer 3, the conduction
It is filled with conductive black in glue-line 3, conducting rod 402 is made to offset with conductive black, so that conductive black be made to absorb in conducting rod 402
Charge；
Further, in the above-mentioned technical solutions, the convex block 6 is set as semicircle shape, consequently facilitating electromagnetic shielding film one
Determine the bending in degree, the convex block 6 is set as silicon carbide, so as to absorb the electromagnetic wave of extraneous transmitting, the insulating layer 7
It is made of 9 material of electro-insulating rubber, it, can be in air in the demanding environment of dielectric coefficient because it is with excellent insulation performance
Work.
This practical working principle：
Referring to Figure of description 1-2, by being provided with conducting rod 402, it is intertwined metal foil 401, thus
Its bending is improved, by being provided with conductive adhesive layer 3, is fixed thereon 402 one end of conducting rod, when metal foil 401 absorbs
When the charge distributed inside machine, enter the charge in metal foil 401 in conductive adhesive layer 3 by conducting rod 402, due to
It is provided with conductive black in conductive adhesive layer 3, so that the charge of the transmitting of conducting rod 402 is absorbed, to avoid metal foil 401 because inhaling
Receiving excessive charge causes its temperature excessively high, by being filled with Foaming of phenolic resin material in metal layer 4, to make metal layer 4
With preferable elastic deformation ability；
Referring to Figure of description 3-4, by being provided with ferrite block 101 in suction wave layer 1, so as to largely absorb
The energy of electromagenetic wave radiation, then by coupling the energy conversion electromagnetic wave at thermal energy, by being provided with heat-sink shell 8, to inhale
The heat that ferrite block 101 generates is received, due to containing silicon carbide in convex block 6, so as to absorb extraneous electromagnetic wave, avoids electricity
Magnetic shield film is penetrated by extraneous electromagnetic wave, so that machine be made to be interfered.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of novel electromagnetic shielding film, including inhale wave layer（1）, it is characterised in that：The suction wave layer（1）Top is provided with first
Adhesive layer（2）, first adhesive layer（2）Top is provided with conductive adhesive layer（3）, the conductive adhesive layer（3）Between be provided with gold
Belong to layer（4）, the conductive adhesive layer（3）Top is provided with the second adhesive layer（5）, second adhesive layer（5）Top is provided with convex
Block（6）, the convex block（6）Top is provided with insulating layer（7）.
2. a kind of novel electromagnetic shielding film according to claim 1, it is characterised in that：The suction wave layer（1）It is set as net
Trellis is provided with ferrite block in the grid（101）.
3. a kind of novel electromagnetic shielding film according to claim 2, it is characterised in that：The convex block（6）Bottom and iron oxygen
Body block（101）Surface is provided with heat-sink shell（8）, the heat-sink shell（8）It inside include graphene particles.
4. a kind of novel electromagnetic shielding film according to claim 1, it is characterised in that：The metal layer（4）Inside it is provided with
Metal foil（401）, the metal foil（401）It is set as silver foil piece, the metal foil（401）Side, which is provided with, leads
Electric pole（402）, the conducting rod（402）It is set as metal material, the metal layer（4）Filled with Foaming of phenolic resin material.
5. a kind of novel electromagnetic shielding film according to claim 4, it is characterised in that：The conducting rod（402）One end is passed through
It is through conductive adhesive layer（3）It is interior, the conductive adhesive layer（3）It is interior to be filled with conductive black.
6. a kind of novel electromagnetic shielding film according to claim 1, it is characterised in that：The convex block（6）It is set as semicircle
Shape, the convex block（6）It is set as silicon carbide, the insulating layer（7）By electro-insulating rubber（9）Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820613075.0U CN208143714U (en) | 2018-04-27 | 2018-04-27 | A kind of novel electromagnetic shielding film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820613075.0U CN208143714U (en) | 2018-04-27 | 2018-04-27 | A kind of novel electromagnetic shielding film |
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| Publication Number | Publication Date |
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| CN208143714U true CN208143714U (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820613075.0U Active CN208143714U (en) | 2018-04-27 | 2018-04-27 | A kind of novel electromagnetic shielding film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246719A (en) * | 2020-02-26 | 2020-06-05 | 东莞市华卓电子科技有限公司 | Production method of 5G electromagnetic film |
| CN117425325A (en) * | 2023-11-21 | 2024-01-19 | 广州方邦电子股份有限公司 | Electromagnetic shielding film and application thereof |
-
2018
- 2018-04-27 CN CN201820613075.0U patent/CN208143714U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246719A (en) * | 2020-02-26 | 2020-06-05 | 东莞市华卓电子科技有限公司 | Production method of 5G electromagnetic film |
| CN117425325A (en) * | 2023-11-21 | 2024-01-19 | 广州方邦电子股份有限公司 | Electromagnetic shielding film and application thereof |
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