CN208500827U - It is a kind of with electro-magnetic screen function without base material adhesive tape - Google Patents
It is a kind of with electro-magnetic screen function without base material adhesive tape Download PDFInfo
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- CN208500827U CN208500827U CN201820688574.6U CN201820688574U CN208500827U CN 208500827 U CN208500827 U CN 208500827U CN 201820688574 U CN201820688574 U CN 201820688574U CN 208500827 U CN208500827 U CN 208500827U
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- adhesive tape
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Abstract
This application provides a kind of with electro-magnetic screen function without base material adhesive tape, is made of the two-sided release film, shielding insulation ink layer, copper electroplating layer, conductive epoxy glue-line and the white single-sided parting film that successively contact.This, by setting shielding ink layer and copper electroplating layer, makes it in the case where no setting is required conductive metal film substrate, electro-magnetic screen function with higher without base material adhesive tape.The results showed that the electromagnet shield effect of no base material adhesive tape provided by the present application reaches 80dB or more.
Description
Technical field
This application involves electromagnetic shielding adhesive tape technical field more particularly to it is a kind of with electro-magnetic screen function without substrate glue
Band.
Background technique
Electronics manufacturer is constantly pursuing the faster arithmetic speed of product, higher resolution ratio, integrated more multi-functional
While, also require product lighter and thinner, especially the design of handheld portable product, such as smart phone, tablet computer.This
Allowing for many high speed components will be assembled on smaller circuit board, and in narrower structure space, electromagnetic interference problem is just
It becomes increasingly complex and seriously.
Most of electromagnetic interference on electronic product is up to the Electromagnetic Interference of several hundred megahertzs of even upper gigabits, uses
Good conductor can have the function of shielding electric and magnetic fields simultaneously, and due to skin effect, electromagnetic wave higher for frequency
Interference, does not need too thick shielding material, generally in 0.2mm hereinafter, good shield effectiveness can be played.
Traditional electromagnetic shielding adhesive tape as substrate, coats one layer of conductive adhesive layer using metallic film on substrate surface
Laminating release film is made.Chinese invention patent CN102241950A provides a kind of electromagnetic shielding adhesive tape, and it includes resins
Film layer, the electro-magnetic screen layer with sandwich laminar structure in conjunction with the resin thin film layer, and include the first adhesive
Layer, in conjunction with the one side of the resin thin film layer, the second gluing oxidant layer；Be located at the first gluing oxidant layer and the second gluing oxidant layer
Between conductive metal layer.The electromagnetic shielding adhesive tape has good peeling force, but it is merely with its electromagnetic wave of conductive metal layer
Shielding action, electromagnet shield effect are up to 50dB, and effectiveness is bad.
Utility model content
In view of this, the application be designed to provide it is a kind of with electro-magnetic screen function without base material adhesive tape, the adhesive tape
There is no conductive metal film substrate, and electro-magnetic screen function with higher.
This application provides a kind of with electro-magnetic screen function without base material adhesive tape, by successively contact two-sided release film,
Shielding insulation ink layer, copper electroplating layer, conductive epoxy glue-line and white single-sided parting film composition.
Preferably, the shielding insulation ink layer with a thickness of 7~9 μm.
Preferably, the copper electroplating layer with a thickness of 1.5~2.5 μm.
Preferably, the two-sided release film with a thickness of 45~55 μm；
It is described white single-sided parting film with a thickness of 45~55 μm.
Preferably, the conductive epoxy glue-line with a thickness of 8~12 μm.
This application provides a kind of with electro-magnetic screen function without base material adhesive tape, by successively contact two-sided release film,
Shielding insulation ink layer, copper electroplating layer, conductive epoxy glue-line and white single-sided parting film composition.This passes through setting without base material adhesive tape
Ink layer and copper electroplating layer are shielded, makes it in the case where no setting is required conductive metal film substrate, electromagnetic screen with higher
Cover function.The results showed that the electromagnet shield effect of no base material adhesive tape provided by the present application reaches 80dB or more.
Detailed description of the invention
Fig. 1 is the structural schematic diagram without base material adhesive tape provided by the present application with electro-magnetic screen function.
Specific embodiment
This application provides a kind of with electro-magnetic screen function without base material adhesive tape, by successively contact two-sided release film,
Shielding insulation ink layer, copper electroplating layer, conductive epoxy glue-line and white single-sided parting film composition.
This, by setting shielding ink layer and copper electroplating layer, makes it in no setting is required conductive metal film base without base material adhesive tape
In the case where material, electro-magnetic screen function with higher.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram without base material adhesive tape provided by the present application with electro-magnetic screen function,
In, 1 is two-sided release film, and 2 be shielding insulation ink layer, and 3 be copper electroplating layer, and 4 be conductive epoxy glue-line, 5 for white single side from
Type film.
No base material adhesive tape provided by the present application includes two-sided release film 1.In this application, the thickness of the two-sided release film
Preferably 45~55 μm, more preferably 48~53 μm, most preferably 50 μm.
No base material adhesive tape provided by the present application includes the shielding insulation ink layer 2 contacted with the two-sided release film.At this
In application, the thickness of the shielding insulation ink layer is preferably 7~9 μm, and more preferably 9 μm.
No base material adhesive tape provided by the present application includes the copper electroplating layer 3 contacted with the shielding insulation ink layer.In this Shen
Please in, the thickness of the copper electroplating layer is preferably 1.5~2.5 μm, more preferably 2 μm.
No base material adhesive tape provided by the present application includes the conductive epoxy glue-line 4 contacted with the copper electroplating layer.In the application
In, the thickness of the conductive epoxy glue-line is preferably 8~12 μm, more preferably 9~11 μm, most preferably 10 μm.
No base material adhesive tape provided by the present application includes the single-sided parting film 5 contacted with the conductive epoxy glue-line.In this Shen
Please in, the thickness of the single-sided parting film is preferably 45~55 μm, more preferably 48~53 μm, most preferably 50 μm.The list
Face release film is preferably PET basement membrane.
In this application, the no base material adhesive tape is preferably prepared in accordance with the following methods:
One layer of shielding ink coating is first coated on two-sided release film, is then electroplated on the shielding ink coating
Copper coating is then coated one layer of conductive epoxy glue-line, and last laminating white single-sided parting film obtains no base material adhesive tape.
In order to further illustrate the application, below with reference to embodiment to the nothing provided by the present application with electro-magnetic screen function
Base material adhesive tape is described in detail, but they cannot be interpreted as to the restriction to the application protection scope.
Embodiment 1
8 μm of shielding ink coating is first coated on the two-sided PET release film with a thickness of 50 μm, then in the shielding oil
2 μm of electroplating copper coatings are carried out on black coating, are then coated one layer 10 μm of conductive epoxy glue-line, and last laminating 50 μm white
Single-sided parting film obtains no base material adhesive tape.
After tested, the shield effectiveness without base material adhesive tape that prepared by embodiment 1 is 80dB.
As seen from the above embodiment, this application provides a kind of with electro-magnetic screen function without base material adhesive tape, by successively
Two-sided release film, shielding insulation ink layer, copper electroplating layer, conductive epoxy glue-line and the white single-sided parting film composition of contact.It should
No base material adhesive tape makes it no setting is required the conductive metal film substrate the case where by setting shielding ink layer and copper electroplating layer
Under, electro-magnetic screen function with higher.The results showed that the electromagnet shield effect of no base material adhesive tape provided by the present application reaches
To 80dB or more.
The above is only the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (5)
1. it is a kind of with electro-magnetic screen function without base material adhesive tape, by successively contact two-sided release film, shielding insulation ink layer,
Copper electroplating layer, conductive epoxy glue-line and single-sided parting film composition.
2. no base material adhesive tape according to claim 1, which is characterized in that the shielding insulation ink layer with a thickness of 7~9
μm。
3. no base material adhesive tape according to claim 1, which is characterized in that the copper electroplating layer with a thickness of 1.5~2.5 μ
m。
4. no base material adhesive tape according to claim 1, which is characterized in that the two-sided release film with a thickness of 45~55 μ
m；
The single-sided parting film with a thickness of 45~55 μm.
5. no base material adhesive tape according to claim 1, which is characterized in that the conductive epoxy glue-line with a thickness of 8~12 μ
m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688574.6U CN208500827U (en) | 2018-05-09 | 2018-05-09 | It is a kind of with electro-magnetic screen function without base material adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688574.6U CN208500827U (en) | 2018-05-09 | 2018-05-09 | It is a kind of with electro-magnetic screen function without base material adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208500827U true CN208500827U (en) | 2019-02-15 |
Family
ID=65299341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820688574.6U Active CN208500827U (en) | 2018-05-09 | 2018-05-09 | It is a kind of with electro-magnetic screen function without base material adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208500827U (en) |
-
2018
- 2018-05-09 CN CN201820688574.6U patent/CN208500827U/en active Active
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