CN206077942U - A kind of electromagnetic shielding film - Google Patents
A kind of electromagnetic shielding film Download PDFInfo
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- CN206077942U CN206077942U CN201620745756.3U CN201620745756U CN206077942U CN 206077942 U CN206077942 U CN 206077942U CN 201620745756 U CN201620745756 U CN 201620745756U CN 206077942 U CN206077942 U CN 206077942U
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Abstract
This utility model is related to shield technical field of membrane, specifically related to a kind of electromagnetic shielding film, including the stripping film layer, insulating barrier, electro-magnetic screen layer, electromagnetic absorption layer and the mould release membrance that set gradually from top to bottom, peeling off film layer includes stripping film and fits in the adhesive-layer of stripping film lower surface, the upper surface of insulating barrier, lower surface are fitted with the upper surface of the lower surface and electro-magnetic screen layer of adhesive-layer respectively, and the upper surface of electromagnetic absorption layer, lower surface are fitted with the upper surface of the lower surface and mould release membrance of electro-magnetic screen layer respectively；The electromagnetic absorption layer includes the Zinc oxide coating for fitting in the electro-magnetic screen layer lower surface and the Modified Nickel powder coating for fitting in Zinc oxide coating lower surface, and the lower surface of Modified Nickel powder coating is fitted with the upper surface of the mould release membrance.This utility model has both enhanced the absorption and shielding of electromagnetic wave, has reduced production cost again, while improve production efficiency by being used as electromagnetic absorption layer using the composite coating of Zinc oxide coating and Modified Nickel powder coating.
Description
Technical field
This utility model is related to shield technical field of membrane, and in particular to a kind of electromagnetic shielding film.
Background technology
At present, the electronic equipment of PC, mobile phone and digital equipment etc. is presented miniaturization and light-weighted trend, the electronic equipment
Popularization at full speed, the flood of electromagnetic wave is also caused in being connected in work unit or family, so as to the development of electronic industry, electricity
The threat more and more higher of magnetic disturbance.Existing electromagnetic shielding film is made up of insulating barrier, metal level and conductive adhesive layer.
Wherein, metal level it is at present basic by evaporation or magnetron sputtering realizing, these equipment prices costly, while needing
Bigger production space is occupied, this results in enterprise needs the bigger production cost of input.
The content of the invention
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is to provide a kind of electromagnetic screen
Film is covered, absorption of the electromagnetic shielding film to electromagnetic wave is good with shield effectiveness.
The purpose of this utility model is achieved through the following technical solutions：A kind of electromagnetic shielding film, including from top to bottom successively
The stripping film layer of setting, insulating barrier, electro-magnetic screen layer, electromagnetic absorption layer and mould release membrance, peeling off film layer includes stripping film and laminating
In the adhesive-layer of stripping film lower surface, the upper surface of insulating barrier, lower surface lower surface and electro-magnetic screen layer respectively with adhesive-layer
Upper surface laminating, the upper surface of electromagnetic absorption layer, lower surface upper table respectively with the lower surface and mould release membrance of electro-magnetic screen layer
Fit in face；The electromagnetic absorption layer includes fitting in the Zinc oxide coating of the electro-magnetic screen layer lower surface and fits in Zinc Oxide
The Modified Nickel powder coating of coating lower surface, the lower surface of Modified Nickel powder coating are fitted with the upper surface of the mould release membrance.
Further, the stripping film is any one in PET film, PVC film, PC thin film, OPP film and PE thin film
Kind.
Further, the adhesive-layer is any one in layer of silica gel, acrylic glue-line, pressure-sensitive adhesive layer and OCA glue layers
Kind.
Further, the insulating barrier is UV hardened layers.
Further, the electro-magnetic screen layer is acrylic acid glue-line, epoxy glue layer and the poly- ammonia for being added with carbon fiber
Any one in ester gum layer.
Further, the mould release membrance be off-type force the PET mould release membrances of 5-10gf, PE mould release membrances, OPP mould release membrances,
Any one in BOPET mould release membrances and BOPP mould release membrances.
Further, the thickness of the stripping film is 25-75 μm；The thickness of the adhesive-layer is 5-15 μm.
Further, the thickness of the insulating barrier is 3-5 μm；The thickness of the electro-magnetic screen layer is 3-5 μm.
Further, the thickness of the Zinc oxide coating is 3-11 μm；The thickness of the Modified Nickel powder coating is 4-10 μm.
Further, the thickness of the mould release membrance is 50-100 μm.
The beneficial effects of the utility model are：Electromagnetic shielding film of the present utility model is by using Zinc oxide coating and changing
Property nikel powder coating composite coating as electromagnetic absorption layer, both enhanced the absorption and shielding of electromagnetic wave, reduced production cost again,
While improve production efficiency.
Electromagnetic shielding film of the present utility model is by being used as using the composite coating of Zinc oxide coating and Modified Nickel powder coating
Electromagnetic absorption layer, is sputtered with observing and controlling compared to vacuum coating, and this programme can save the relevant device of plated film, while reducing production
Space, saves input and production cost.
Electromagnetic absorption layer of the present utility model by being used as bottom using Zinc oxide coating, using Modified Nickel powder coating conduct
Top layer, the composite coating to the absorption shield effectiveness of electromagnetic wave it is economical and be functionally better than metal and its alloy powder with
And partially electronically conductive macromolecular material.
Description of the drawings
Fig. 1 is partial sectional view of the present utility model.
Reference is：1-peel off film layer, 11-stripping film, 12-adhesive-layer, 2-insulating barrier, 3-electro-magnetic screen layer,
4-electromagnetic absorption layer, 41-Zinc oxide coating, 42-Modified Nickel powder coating, 5-mould release membrance.
Specific embodiment
For the ease of the understanding of those skilled in the art, this utility model is made into one with reference to embodiment and accompanying drawing 1
The explanation of step, the content that embodiment is referred to is not to restriction of the present utility model.
See Fig. 1, a kind of electromagnetic shielding film, including the stripping film layer 1, insulating barrier 2, electromagnetic shielding that set gradually from top to bottom
Layer 3, electromagnetic absorption layer 4 and mould release membrance 5, peeling off film layer 1 includes stripping film 11 and fits in the adhesive-layer of 11 lower surface of stripping film
12, the upper surface of insulating barrier 2, lower surface are fitted with the upper surface of the lower surface and electro-magnetic screen layer 3 of adhesive-layer 12 respectively, electromagnetism
The upper surface of absorbed layer 4, lower surface are fitted with the upper surface of the lower surface and mould release membrance 5 of electro-magnetic screen layer 3 respectively；The electromagnetism
Absorbed layer 4 includes the Zinc oxide coating 41 for fitting in 3 lower surface of the electro-magnetic screen layer and fits in 41 following table of Zinc oxide coating
The Modified Nickel powder coating 42 in face, the lower surface of Modified Nickel powder coating 42 are fitted with the upper surface of the mould release membrance 5.
When this utility model is used, stripping film 11 is torn off, adhesive-layer 12 is attached on electronic product screen, is then torn again
Remove mould release membrance 5.
Electromagnetic shielding film of the present utility model is by the composite coating using Zinc oxide coating 41 and Modified Nickel powder coating 42
As electromagnetic absorption layer 4, the absorption and shielding of electromagnetic wave were both enhanced, production cost had been reduced again, while improve production efficiency.
In the present embodiment, the stripping film 11 is appointing in PET film, PVC film, PC thin film, OPP film and PE thin film
Meaning is a kind of., by being used as stripping film 11 using above-mentioned thin film, its peeling effect is good for this utility model, and light transmittance is high.
In the present embodiment, the adhesive-layer 12 is appointing in layer of silica gel, acrylic glue-line, pressure-sensitive adhesive layer and OCA glue layers
Meaning is a kind of., by being used as adhesive-layer 12 using above-mentioned adhesive-layer, its peeling effect is good for this utility model.
In the present embodiment, the insulating barrier 2 is UV hardened layers.This utility model is by being used as insulating barrier using UV hardened layers
2, its insulation effect is good.
In the present embodiment, the electro-magnetic screen layer 3 is to be added with the acrylic acid glue-line of carbon fiber, epoxy glue layer and poly-
Any one in urethane glue-line.
This utility model is added with the electro-magnetic screen layer 3 of carbon fiber by adopting, and compared with other plated films, is added with carbon fine
The electro-magnetic screen layer 3 of dimension more preferably, more strengthens the resistance to bend(ing) and folding resistance of screened film with bilevel degree of adhesion.
In the present embodiment, the mould release membrance 5 is that off-type force is release in the PET mould release membrances 5 of 5-10gf, PE mould release membrances 5, OPP
Any one in film 5, BOPET mould release membrances 5 and BOPP mould release membrances 5.This utility model is by adopting off-type force 5-10gf's
Above-mentioned mould release membrance 5, its release effect are good, and light transmittance is high.
In the present embodiment, the thickness of the stripping film 11 is 25-75 μm.Specifically, the thickness of the stripping film 11 can be with
For 25 μm, 35 μm, 45 μm, 55 μm, 65 μm or 75 μm.Preferably, the thickness of the stripping film 11 is 55 μm.
The thickness of the adhesive-layer 12 is 5-15 μm.Specifically, the thickness of the adhesive-layer 12 can be 5 μm, 8 μm, 10 μ
M, 12 μm or 15 μm.Preferably, the thickness of the adhesive-layer 12 is 10 μm.
In the present embodiment, the thickness of the insulating barrier 2 is 3-5 μm.Specifically, the thickness of the insulating barrier 2 can be 3 μ
M, 3.5 μm, 4 μm, 4.5 μm or 5 μm.Preferably, the thickness of the insulating barrier 2 is 4 μm.
The thickness of the electro-magnetic screen layer 3 is 3-5 μm.Specifically, the thickness of the electro-magnetic screen layer 3 can for 3 μm,
3.5 μm, 4 μm, 4.5 μm or 5 μm.Preferably, the thickness of the electro-magnetic screen layer 3 is 4 μm.
In the present embodiment, the thickness of the Zinc oxide coating 41 is 3-11 μm.Specifically, the thickness of the Zinc oxide coating 41
Degree can be 3 μm, 5 μm, 7 μm, 9 μm or 11 μm.Preferably, the thickness of the Zinc oxide coating 41 is 7 μm.
The thickness of the Modified Nickel powder coating 42 is 4-10 μm.Specifically, the thickness of the Modified Nickel powder coating 42 can be with
For 4 μm, 6 μm, 7 μm, 8 μm or 10 μm.Preferably, the thickness of the Modified Nickel powder coating 42 is 7 μm.
In the present embodiment, the thickness of the mould release membrance 5 is 50-100 μm.Specifically, the thickness of the mould release membrance 5 can be
50 μm, 60 μm, 70 μm, 75 μm, 80 μm, 90 μm or 100 μm.Preferably, the thickness of the mould release membrance 5 is 75 μm.
Above-described embodiment is this utility model preferably implementation, and in addition, this utility model can be with other sides
Formula realizes that any obvious replacement is in protection model of the present utility model without departing from the concept of the premise utility
Within enclosing.
Claims (9)
1. a kind of electromagnetic shielding film, it is characterised in that：Including the stripping film layer, insulating barrier, electromagnetic screen that set gradually from top to bottom
Layer, electromagnetic absorption layer and mould release membrance are covered, peeling off film layer includes stripping film and fit in the adhesive-layer of stripping film lower surface, insulating barrier
Upper surface, lower surface fit with the upper surface of the lower surface and electro-magnetic screen layer of adhesive-layer respectively, the upper table of electromagnetic absorption layer
Face, lower surface are fitted with the upper surface of the lower surface and mould release membrance of electro-magnetic screen layer respectively；The electromagnetic absorption layer includes laminating
In the Zinc oxide coating and the Modified Nickel powder coating for fitting in Zinc oxide coating lower surface of the electro-magnetic screen layer lower surface, it is modified
The lower surface of nikel powder coating is fitted with the upper surface of the mould release membrance.
2. a kind of electromagnetic shielding film according to claim 1, it is characterised in that：The stripping film is PET film, PVC is thin
Any one in film, PC thin film, OPP film and PE thin film.
3. a kind of electromagnetic shielding film according to claim 1, it is characterised in that：The adhesive-layer is layer of silica gel, acrylic
Any one in glue-line, pressure-sensitive adhesive layer and OCA glue layers.
4. a kind of electromagnetic shielding film according to claim 1, it is characterised in that：The insulating barrier is UV hardened layers.
5. a kind of electromagnetic shielding film according to claim 1, it is characterised in that：The mould release membrance is off-type force in 5-10gf
PET mould release membrances, PE mould release membrances, OPP mould release membrances, any one in BOPET mould release membrances and BOPP mould release membrances.
6. a kind of electromagnetic shielding film according to claim 1, it is characterised in that：The thickness of the stripping film is 25-75 μm；
The thickness of the adhesive-layer is 5-15 μm.
7. a kind of electromagnetic shielding film according to claim 1, it is characterised in that：The thickness of the insulating barrier is 3-5 μm；Institute
The thickness for stating electro-magnetic screen layer is 3-5 μm.
8. a kind of electromagnetic shielding film according to claim 1, it is characterised in that：The thickness of the Zinc oxide coating is 3-11
μm；The thickness of the Modified Nickel powder coating is 4-10 μm.
9. a kind of electromagnetic shielding film according to claim 1, it is characterised in that：The thickness of the mould release membrance is 50-100 μ
m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620745756.3U CN206077942U (en) | 2016-07-15 | 2016-07-15 | A kind of electromagnetic shielding film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620745756.3U CN206077942U (en) | 2016-07-15 | 2016-07-15 | A kind of electromagnetic shielding film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206077942U true CN206077942U (en) | 2017-04-05 |
Family
ID=58425950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620745756.3U Active CN206077942U (en) | 2016-07-15 | 2016-07-15 | A kind of electromagnetic shielding film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206077942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061223A (en) * | 2016-07-15 | 2016-10-26 | 胡银坤 | Electromagnetic shielding film and preparation method thereof |
-
2016
- 2016-07-15 CN CN201620745756.3U patent/CN206077942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061223A (en) * | 2016-07-15 | 2016-10-26 | 胡银坤 | Electromagnetic shielding film and preparation method thereof |
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