CN208657260U - A kind of multilayer conductive foam - Google Patents
A kind of multilayer conductive foam Download PDFInfo
- Publication number
- CN208657260U CN208657260U CN201821191690.3U CN201821191690U CN208657260U CN 208657260 U CN208657260 U CN 208657260U CN 201821191690 U CN201821191690 U CN 201821191690U CN 208657260 U CN208657260 U CN 208657260U
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- CN
- China
- Prior art keywords
- foamed cotton
- conductive
- layer
- cotton layer
- foam
- 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
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a kind of multilayer conductive foams, including foam ontology and it is coated on the external conductive fabric of foam sheet, the foam ontology is made of multilayer foam and metallic fiber, including the first foamed cotton layer, the first metallic fibrous layer, the second foamed cotton layer, the second metallic fibrous layer, the third foamed cotton layer being successively bonded, pass through conductive adhesive between foamed cotton layer and metallic fibrous layer；First foamed cotton layer, the second foamed cotton layer, third foamed cotton layer are equipped with several conductive holes, and conductive hole runs through the upper and lower surface of foamed cotton layer；It is Nian Jie with conductive fabric with third foamed cotton layer to pass through conductive adhesive layer respectively positioned at the first foamed cotton layer of foam outer body；The conductive fabric peripheral hardware wearing layer of multilayer conductive foam side, the conductive fabric peripheral hardware double faced adhesive tape of the other side.Multilayer conductive foam provided by the utility model, structure is simple, at low cost, good conductivity, shield effectiveness are good.
Description
Technical field
The utility model relates to a kind of multilayer conductive foams, belong to conducting foam technical field.
Background technique
Conductive fabric is wrapped up on flame-retardant sponge, after a series of processing, makes it have good surface conductivity, it can be with
Being easy to be pasted and fixed on needs on shielding device, there is the shielding of different section shapes, installation method, UL grade and shield effectiveness
Material is available.Conducting foam with Electromagnetic Interference function of shielding is widely used in PDP TV, LCD display, liquid crystal
The electronics fields such as TV, mobile phone, communication cabinet and Medical Instruments.But existing conducting foam is in use still
There is some shortcomings.
Utility model content
Purpose: in order to overcome the deficiencies in the prior art, the utility model provides a kind of multilayer conductive foam.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of multilayer conductive foam including foam ontology and is coated on the external conductive fabric of foam sheet, the foam ontology
Be made of multilayer foam and metallic fiber, including be successively bonded the first foamed cotton layer, the first metallic fibrous layer, the second foamed cotton layer,
Second metallic fibrous layer, third foamed cotton layer, pass through conductive adhesive between foamed cotton layer and metallic fibrous layer；First foam
Layer, the second foamed cotton layer, third foamed cotton layer are equipped with several conductive holes, and conductive hole runs through the upper and lower surface of foamed cotton layer；Positioned at foam
It is Nian Jie with conductive fabric that first foamed cotton layer of outer body with third foamed cotton layer passes through conductive adhesive layer respectively；Multilayer conductive foam side
Conductive fabric peripheral hardware wearing layer, the conductive fabric peripheral hardware double faced adhesive tape of the other side.
Further, filling metallic conduction particle or metallic fiber in the conductive hole.
Further, first foamed cotton layer, the second foamed cotton layer, the thickness of third foamed cotton layer are equal, are 50-120 μm.
Further, first foamed cotton layer, the second foamed cotton layer, third foamed cotton layer are all made of the fire-retardant foam of PU.
Further, first metallic fibrous layer, the thickness of the second metallic fibrous layer are equal, are 20-80 μm.
Further, the wearing layer is non-woven fabrics, Nian Jie by adhesive with conductive fabric.
The utility model has the advantages that multilayer conductive foam provided by the utility model, structure is simple, at low cost, good conductivity；Between setting
Conductive hole is set every the multilayer foam and metallic fiber of bonding, and in foamed cotton layer, improves electric conductivity, improves metallic shield effect；
Wearing layer is arranged in outermost layer, avoids conductive fabric in use process from being scratched, influences the shield effectiveness of conducting foam.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
As shown in Figure 1, a kind of multilayer conductive foam, including foam ontology 1 and is coated on the external conductive fabric 2 of foam sheet.
The foam ontology 1 is made of multilayer foam and metallic fiber, including the first foamed cotton layer 11, the first metallic fiber being successively bonded
Layer the 12, second foamed cotton layer 13, the second metallic fibrous layer 14, third foamed cotton layer 15, by leading between foamed cotton layer and metallic fibrous layer
Electric glue sticking, conducting resinl is not shown in figures herein.
First foamed cotton layer 11, the second foamed cotton layer 13, third foamed cotton layer 15 are equipped with several conductive holes 16, conductive hole 16
Filling metallic conduction particle or metallic fiber in the upper and lower surface of foamed cotton layer, conductive hole.
First foamed cotton layer, the second foamed cotton layer, third foamed cotton layer are all made of the fire-retardant foam of PU, and thickness is equal, are 50-
120μm.The first foamed cotton layer 11 positioned at foam outer body passes through conductive adhesive layer 3 and conductive fabric 2 with 15 layers of third foam respectively
Bonding.
First metallic fibrous layer 12, the thickness of the second metallic fibrous layer 14 are equal, are 20-80 μm.
The conductive fabric peripheral hardware wearing layer 4 of multilayer conductive foam side, the conductive fabric peripheral hardware double faced adhesive tape 5 of the other side；It is described
Wearing layer is non-woven fabrics, Nian Jie by adhesive with conductive fabric.In use, multilayer conductive foam is pasted admittedly by double faced adhesive tape
On the electric elements shielded needed for being scheduled on, wearing layer can protect conducting foam whole, conductive fabric is avoided to be scratched in outermost,
Influence shield effectiveness.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of multilayer conductive foam including foam ontology and is coated on the external conductive fabric of foam sheet, it is characterised in that: described
Foam ontology is made of multilayer foam and metallic fiber, including the first foamed cotton layer, the first metallic fibrous layer, second being successively bonded
Foamed cotton layer, the second metallic fibrous layer, third foamed cotton layer, pass through conductive adhesive between foamed cotton layer and metallic fibrous layer；Described
One foamed cotton layer, the second foamed cotton layer, third foamed cotton layer are equipped with several conductive holes, and conductive hole runs through the upper and lower surface of foamed cotton layer；Position
It is Nian Jie with conductive fabric with third foamed cotton layer to pass through conductive adhesive layer respectively in the first foamed cotton layer of foam outer body；Multilayer conductive bubble
The conductive fabric peripheral hardware wearing layer of cotton side, the conductive fabric peripheral hardware double faced adhesive tape of the other side.
2. multilayer conductive foam according to claim 1, it is characterised in that: fill metallic conduction particle in the conductive hole
Or metallic fiber.
3. multilayer conductive foam according to claim 1, it is characterised in that: first foamed cotton layer, the second foamed cotton layer,
The thickness of three foamed cotton layers is equal, is 50-120 μm.
4. multilayer conductive foam according to claim 1 or 3, it is characterised in that: first foamed cotton layer, the second foam
Layer, third foamed cotton layer are all made of the fire-retardant foam of PU.
5. multilayer conductive foam according to claim 1, it is characterised in that: first metallic fibrous layer, the second metal
The thickness of fibrous layer is equal, is 20-80 μm.
6. multilayer conductive foam according to claim 1, it is characterised in that: the wearing layer is non-woven fabrics, with conductive fabric
It is bonded by adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191690.3U CN208657260U (en) | 2018-07-26 | 2018-07-26 | A kind of multilayer conductive foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191690.3U CN208657260U (en) | 2018-07-26 | 2018-07-26 | A kind of multilayer conductive foam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208657260U true CN208657260U (en) | 2019-03-26 |
Family
ID=65786908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821191690.3U Expired - Fee Related CN208657260U (en) | 2018-07-26 | 2018-07-26 | A kind of multilayer conductive foam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208657260U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662409A (en) * | 2019-08-29 | 2020-01-07 | 北京邮电大学 | Electromagnetic interference shielding film of cardiac pacemaker |
| CN112210309A (en) * | 2020-10-12 | 2021-01-12 | 苏州盛达飞智能科技股份有限公司 | Method for manufacturing electric-conduction heat-conduction foam adhesive tape |
| CN112888291A (en) * | 2021-02-25 | 2021-06-01 | 仕来高(东莞)电子制品有限公司 | Conductive foam with shielding and preparation method thereof |
| CN114388174A (en) * | 2022-01-24 | 2022-04-22 | 苏州迪玛科电子科技有限公司 | Multilayer conductive foam |
-
2018
- 2018-07-26 CN CN201821191690.3U patent/CN208657260U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662409A (en) * | 2019-08-29 | 2020-01-07 | 北京邮电大学 | Electromagnetic interference shielding film of cardiac pacemaker |
| CN110662409B (en) * | 2019-08-29 | 2020-12-18 | 北京邮电大学 | Electromagnetic interference shielding film of cardiac pacemaker |
| CN112210309A (en) * | 2020-10-12 | 2021-01-12 | 苏州盛达飞智能科技股份有限公司 | Method for manufacturing electric-conduction heat-conduction foam adhesive tape |
| CN112888291A (en) * | 2021-02-25 | 2021-06-01 | 仕来高(东莞)电子制品有限公司 | Conductive foam with shielding and preparation method thereof |
| CN112888291B (en) * | 2021-02-25 | 2022-07-01 | 仕来高(东莞)电子制品有限公司 | Conductive foam with shielding and preparation method thereof |
| CN114388174A (en) * | 2022-01-24 | 2022-04-22 | 苏州迪玛科电子科技有限公司 | Multilayer conductive foam |
| CN114388174B (en) * | 2022-01-24 | 2023-12-05 | 苏州迪玛科电子科技有限公司 | Multilayer conductive foam |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 |