CN213835144U - Electronic shielding film - Google Patents
Electronic shielding film Download PDFInfo
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- CN213835144U CN213835144U CN202022760715.0U CN202022760715U CN213835144U CN 213835144 U CN213835144 U CN 213835144U CN 202022760715 U CN202022760715 U CN 202022760715U CN 213835144 U CN213835144 U CN 213835144U
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Abstract
The utility model discloses an electronic shielding film, which comprises a lower protective film, a shielding film and an upper protective film; a lower protective film: the upper surface of the lower protective film is a smooth plane; shielding films: the lower surface of the protective film is provided with an adhesive coating, the shielding film is adhered to the upper surface of the lower protective film, and the upper surface of the shielding film is a smooth plane; and (3) coating a protective film: the lower surface of the shielding film is provided with an adhesive coating, and the upper protective film is adhered to the upper surface of the shielding film; wherein: still including tearing limit, reverse side sign and positive sign fast, it is two to tear limit quantity fast, tears the limit fast and sets up respectively in the back of the body lateral surface right side rear end that leaves of lower protection film and last protection film, and the quick upper surface middle part that tears of below is equipped with the reverse side sign, and the quick limit lower surface middle part that tears of top is equipped with the positive sign, and this electronic shielding membrane provides the sign of positive and negative, is convenient for distinguish the positive and negative of shielding membrane, prevents to paste when using reversely.
Description
Technical Field
The utility model relates to an electron shielding material technical field specifically is an electron shielding film.
Background
With the development of modern high and new technologies, the problems of electromagnetic interference and electromagnetic compatibility caused by electromagnetic waves are increasingly serious, which not only causes interference and damage to electronic instruments and equipment to influence normal operation thereof, but also pollutes environment and harms human health, although the permeability of electromagnetic wave propagation is strong, excellent conductive or magnetic conductive materials can be used for shielding electromagnetic wave radiation, and the electronic shielding film has the characteristics of simple structure and low production cost and is widely applied to the interior of electronic products.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an electronic shielding membrane, be convenient for distinguish the positive and negative of shielding membrane, paste when preventing to use and turn over, can effectively solve the problem among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an electronic shielding film includes a lower protective film, a shielding film, and an upper protective film;
a lower protective film: the upper surface of the lower protective film is a smooth plane;
shielding films: the lower surface of the protective film is provided with an adhesive coating, the shielding film is adhered to the upper surface of the lower protective film, and the upper surface of the shielding film is a smooth plane;
and (3) coating a protective film: the lower surface of the shielding film is provided with an adhesive coating, and the upper protective film is adhered to the upper surface of the shielding film;
wherein: still including tearing limit, reverse side sign and positive sign fast, it is two to tear limit quantity fast, tears the limit fast and sets up respectively in the back of the body lateral surface right side rear end that leaves of protection film and last protection film down, and the quick upper surface middle part that tears of below is equipped with the reverse side sign, and the quick limit lower surface middle part that tears of top is equipped with the positive sign, provides the sign of positive and negative, is convenient for distinguish the positive and negative of shielding film, pastes when preventing to use, provides the protection adventitia, can prevent the shielding film scratch in packing and transportation.
Further, the barrier film includes basic unit film, shielding layer, dampproof course and light shield layer, the lower surface of basic unit film is equipped with adhesive coating, and the upper surface of protection film under is pasted to the basic unit film, and the shielding layer sets up in the upper surface of basic unit film, and the dampproof course sets up in the upper surface of shielding layer, and the light shield layer sets up in the upper surface of dampproof course, and the upper surface of light shield layer is smooth plane, goes up the upper surface that the protection film pasted at the light shield layer, can make the barrier film have dampproofing and shading's performance.
Further, base layer film, shielding layer, dampproof course, light shield layer, lower protection film and the four corners department of last protection film all are equipped with the R angle, get rid of sharp angle limit, prevent the fish tail.
Further, the thickness of basic unit's film, shielding layer, dampproof course and light shield layer is five microns, guarantees the gross thickness of barrier film.
Furthermore, the outer side faces, opposite to each other, of the lower protective film and the outer side face of the upper protective film are provided with diamond grains, so that friction of the outer surfaces is increased, and taking is facilitated.
Compared with the prior art, the beneficial effects of the utility model are that: the electronic shielding film has the following advantages:
take out this electronic shielding film, open the limit of tearing fast respectively, look over the positive and negative of reverse side sign and positive sign confirming the shielding film with this, tear the limit of tearing fast that has the reverse side sign, the lower surface that makes basic unit's film corresponds with the position of use, put down the electronic shielding film, the viscous coating that sets up through basic unit's film below, make the shielding film paste at the position of use, tear the limit through the top and tear the protection film, with this pasting operation of accomplishing the shielding film, the sign of positive and negative is provided, be convenient for distinguish the positive and negative of shielding film, paste when preventing to use and turn over, the protection adventitia is provided, can prevent the shielding film scratch in packing and transportation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of the a position of the present invention.
In the figure: 1 quick tearing edge, 2 upper protective film, 3 diamond grains, 4 shielding film, 41 base layer film, 42 shielding layer, 43 moisture-proof layer, 44 shading layer, 5R angle, 6 back mark, 7 front mark and 8 lower protective film.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an electron shielding film includes a lower protective film 8, a shielding film 4, and an upper protective film 2;
lower protective film 8: the lower protective film 8 provides a storage place for the upper shielding film for a corrosion-resistant plastic film, and the upper surface of the lower protective film 8 is a smooth plane;
the shielding film 4: the shielding film 4 is a main body of the electronic shielding film, an adhesive coating is arranged on the lower surface of the shielding film, the shielding film 4 can be conveniently pasted on a using position, the shielding film 4 is pasted on the upper surface of the lower protective film 8, the upper surface of the shielding film 4 is a smooth plane, the shielding film 4 comprises a base layer film 41, a shielding layer 42, a moisture-proof layer 43 and a light shielding layer 44, the lower surface of the base layer film 41 is provided with the adhesive coating, the base layer film 41 is pasted on the upper surface of the lower protective film 8, the shielding layer 42 is arranged on the upper surface of the base layer film 41, the moisture-proof layer 43 is arranged on the upper surface of the shielding layer 42, the light shielding layer 44 is arranged on the upper surface of the moisture-proof layer 43, the upper surface of the light shielding layer 44 is a smooth plane, the upper protective film 2 is pasted on the upper surface of the light shielding layer 44, the thicknesses of the base layer reverse side film 41, the shielding layer 42, the moisture-proof layer 43 and the light shielding layer 44 are all five micrometers, the quick tearing edge 1 with the mark 6 is torn, the lower surface of the base layer rubber sheet 41 corresponds to the use position, the electronic shielding film is put down, and the shielding film is adhered at the use position through the viscous coating arranged below the base layer rubber sheet 41;
and (3) upper protective film 2: the upper protective film 2 can prevent the shielding film 4 from being scratched, the lower surface of the upper protective film is provided with an adhesive coating, the upper protective film 2 is adhered to the upper surface of the shielding film 4, the four corners of the base layer rubber sheet 41, the shielding layer 42, the moisture-proof layer 43, the shading layer 44, the lower protective film 8 and the upper protective film 2 are all provided with R corners 5, and the opposite outer sides of the lower protective film 8 and the upper protective film 2 are all provided with diamond grains 3;
wherein: still including tearing limit 1 fast, reverse side sign 6 and positive sign 7, 1 quantity on the fast tearing limit is two, 1 on the fast tearing limit is convenient for reveal down protection film 8 and last protection film 2, 1 on the fast tearing limit sets up respectively in the back of the body lateral surface right side rear end that leaves of protection film 8 and last protection film 2 down, 1 upper surface middle part on the fast tearing limit of below is equipped with reverse side sign 6, 1 lower surface middle part on the fast tearing limit of top is equipped with positive sign 7, take out this electronic shielding membrane, 1 on the fast tearing limit of turning over respectively, look over reverse side sign 6 and positive sign 7 and confirm the positive and negative of shielding membrane with this.
When in use: clean the use place, take out this electronic shielding film, open fast tearing limit 1 respectively, look over reverse side sign 6 and positive sign 7 with this positive and negative of confirming the shielding film, tear the fast tearing limit 1 that has reverse side sign 6, make basic unit film 41's lower surface correspond with the position of use, put down the electronic shielding film, the viscous coating that sets up through basic unit film 41 below, make the shielding film paste at the position of use, tear limit 1 through the top fast and tear protection film 2, accomplish the operation of pasting of shielding film with this.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An electron shielding film, characterized in that: comprises a lower protective film (8), a shielding film (4) and an upper protective film (2);
lower protective film (8): the upper surface of the lower protective film (8) is a smooth plane;
shielding film (4): the lower surface of the shielding film is provided with an adhesive coating, the shielding film (4) is adhered to the upper surface of the lower protective film (8), and the upper surface of the shielding film (4) is a smooth plane;
upper protective film (2): the lower surface of the shielding film is provided with an adhesive coating, and the upper protective film (2) is adhered to the upper surface of the shielding film (4);
wherein: still including tearing limit (1), reverse side sign (6) and positive sign (7) fast, tear limit (1) quantity fast and be two, tear limit (1) fast and set up respectively in the back of the body lateral surface right side rear end that leaves of lower protection film (8) and upper protection film (2), tear limit (1) upper surface middle part fast of below is equipped with reverse side sign (6), and the tear limit (1) lower surface middle part fast of top is equipped with positive sign (7).
2. The electron shielding film of claim 1, wherein: shielding film (4) include basic unit film (41), shielding layer (42), dampproof course (43) and light shield layer (44), the lower surface of basic unit film (41) is equipped with adhesive coating, and basic unit film (41) are pasted the upper surface of protection film (8) under, and shielding layer (42) set up in the upper surface of basic unit film (41), and dampproof course (43) set up in the upper surface of shielding layer (42), and light shield layer (44) set up in the upper surface of dampproof course (43), and the upper surface of light shield layer (44) is smooth plane, goes up protection film (2) and pastes the upper surface at light shield layer (44).
3. The electron shielding film of claim 2, wherein: the base layer film (41), the shielding layer (42), the moisture-proof layer (43), the shading layer (44), the lower protective film (8) and the four corners of the upper protective film (2) are all provided with an R corner (5).
4. The electron shielding film of claim 2, wherein: the thicknesses of the base layer film (41), the shielding layer (42), the moisture-proof layer (43) and the light shielding layer (44) are all five microns.
5. The electron shielding film of claim 1, wherein: the outer side faces, opposite to each other, of the lower protective film (8) and the outer side face, opposite to each other, of the upper protective film (2) are provided with diamond grains (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022760715.0U CN213835144U (en) | 2020-11-25 | 2020-11-25 | Electronic shielding film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022760715.0U CN213835144U (en) | 2020-11-25 | 2020-11-25 | Electronic shielding film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213835144U true CN213835144U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022760715.0U Active CN213835144U (en) | 2020-11-25 | 2020-11-25 | Electronic shielding film |
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| Country | Link |
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| CN (1) | CN213835144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114698249A (en) * | 2022-04-02 | 2022-07-01 | 博敏电子股份有限公司 | Method for improving processing efficiency of mounting and pasting electromagnetic shielding film on flexible printed board |
-
2020
- 2020-11-25 CN CN202022760715.0U patent/CN213835144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114698249A (en) * | 2022-04-02 | 2022-07-01 | 博敏电子股份有限公司 | Method for improving processing efficiency of mounting and pasting electromagnetic shielding film on flexible printed board |
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