CN205601284U - Electromagnetic interference EMI combined material - Google Patents
Electromagnetic interference EMI combined material Download PDFInfo
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- CN205601284U CN205601284U CN201620290679.7U CN201620290679U CN205601284U CN 205601284 U CN205601284 U CN 205601284U CN 201620290679 U CN201620290679 U CN 201620290679U CN 205601284 U CN205601284 U CN 205601284U
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- emi
- electromagnetic interference
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Abstract
The utility model provides an electromagnetic interference EMI combined material, combined material includes EMI matrix material and single face sticky tape, and wherein the EMI matrix material includes effective subtotal protection rete, and the live part adhesion is on the protection rete, and separating section is treated including keeping the subtotal to the live part, treats that there is a sticky facial features adhesion one side that separating section is relative with the protection rete with the single face sticky tape, the plane size of protection rete equals to keep the plane size sum that separating section was treated to the subtotal. The utility model discloses an one side increases the rate of peeling off that the single face sticky tape reaches improvement EMI material protection rete on the orientation is peeled off to the EMI matrix material to and the extravagant problem of reduction EMI material.
Description
Technical field
This utility model belongs to electromagnetic interference material EMI Material Field, relates to a kind of electromagnetic interference EMI composite.
Background technology
In recent years, along with developing rapidly of electronics industry, the electromagnetic interference material EMI of Electromagnetic Interference can be produced
(Electromagnetic Interference) is widely used.Common electromagnetic interference EMI material have conduction native gold,
Conduction native silver, copper-foil conducting electricity and conductive aluminum foil etc..
Generally, EMI material is made up of protecting film layer, function treatment layer, metal film layer and conductive adhesive layer, and its structure sees
Fig. 1, it is mainly prepared by cross cutting processing.
Cross cutting processing refers to that a raw material, according to reservation shape, makes material form spy by the way of Precision Machining and cutting
Fixed spare and accessory parts.In recent years, the gluing product of cross cutting has been widely used for photoelectricity, communication, computer, automobile and other industries, and collocation is not
With parts, have shockproof, insulate, conduct electricity, the function such as gluing.
In use, the conductive adhesive layer in high-temperature laminating makes EMI material melts EMI material, the conducting resinl of thawing
EMI material is adhered fixed in affixed object (such as FPC FPC etc.) surface by layer, peels off its protecting film layer the most again, makes EMI
The performance of material is played.But, because of EMI properties of materials requirement, the bonding between its protecting film layer and function treatment layer
Power is relatively strong, brings difficulty to stripping.
Using for the ease of the laminating of EMI material justifying and peel off protecting film layer, EMI die-cutting product is often designed to such as figure
Structure shown in 2, i.e. includes the EMI material body being rectangle and adheres to the high temperature resistant of EMI material matrix two sides respectively
High viscous protecting film and first exfoliated film.High temperature resistant height therein glues protecting film and adheres to EMI material protection film layer side, it is therefore an objective to
Play its high viscous characteristic while high temperature resistant height glues protecting film to peel off after high-temperature laminating, synchronize to take away EMI material body
Protecting film layer.But, owing in EMI die-cutting product, the area of EMI material body is relatively small and each EMI material independently divides
Cloth, glues the viscosity of protecting film and also cannot be effectively improved high temperature resistant height even if causing increasing high temperature resistant height and glue protecting film and glue from EMI material
Gluing from the relatively low problem of rate of material body self-protection film layer.
In order to solve the gluing from the relatively low problem of rate of EMI material body self-protection film layer, prior art mainly uses
Following improvement technique:
(1) in the case of not interfering affixed object, increase EMI material area, increase EMI protection film layer and glue with high temperature resistant height
Effective contact area between protecting film；
(2) connect all independent EMI bulk materials (as shown in Figure 3), to realize protecting film layer in EMI bulk material
Overall peel off, to avoid the situation that individual protection film layer leakage that be that cause is peeled off because independent EMI bulk material number is more.
But, although being added significantly to EMI material area in said method, but effective usable floor area of EMI material is not
Increase, make existing technique relatively low to the utilization rate of EMI material；And the cross cutting of the existing EMI of preparation die-cutting product is crossed in punching and is needed
Get rid of substantial amounts of EMI waste material, cause serious waste and process costs is too high, improve the processing cost of EMI die-cutting product.
Utility model content
Present in prior art, in EMI material, protecting film layer stripping rate be relatively low and in production process because of significantly
It is excessive that the EMI waste material that increase EMI material area causes gets rid of material, becomes to produce the problems such as high cost, and this utility model provides one
Plant electromagnetic interference EMI composite, increase one-faced tapes by side in EMI matrix material peeling direction and reach to improve EMI
The stripping rate of material protection film layer, and the problem reducing EMI waste of material.
For reaching this purpose, this utility model by the following technical solutions:
This utility model provides a kind of electromagnetic interference EMI composite, described composite include EMI matrix material and
One-faced tapes, wherein EMI matrix material includes live part and protecting film layer, and live part adheres on protecting film layer, effectively
Part includes member-retaining portion and part to be separated, and the part to be separated side relative with protecting film layer is sticking with one-faced tapes
Simultaneously phase adhesion；The planar dimension of described protecting film layer is equal to member-retaining portion and the planar dimension sum of part to be separated.
The structure of described electromagnetic interference EMI composite is as shown in Figure 4.
In this utility model, one-faced tapes has resistant to elevated temperatures characteristic, and its resistant to elevated temperatures ability matches with EMI material,
So that it is without damage during high-temperature laminating；The sticking one side of one-faced tapes is relative with protecting film layer with part to be separated
Side adhesion, be in order to avoid partially electronically conductive glue-line to be separated after hot pressing sticks at affixed object surface.
In this utility model, in described electromagnetic interference EMI composite, protecting film layer is an entirety, this composite
Protecting film layer adhere to have the protecting film of high temperature resistant high viscosity, after high-temperature laminating, in EMI composite, member-retaining portion leads
Electricity glue-line thawing is adhered fixed in affixed object, and part to be separated forms difference in height because being stained with between one-faced tapes and member-retaining portion,
So that protecting film layer separates with member-retaining portion in advance, so that while peeling off the protecting film with high temperature resistant high viscosity, EMI
Protecting film layer and part to be separated in composite are the most effectively peeled off, and improve stripping rate.
Following as the preferred technical scheme of this utility model, but the limit of the technical scheme provided not as this utility model
System, by the following technical programs, can preferably reach and realize technical purpose of the present utility model and beneficial effect.
As the preferred technical scheme of this utility model, described live part from the side glued mutually with protecting film layer by introversion
It is followed successively by outward function treatment layer, metal film layer and conductive adhesive layer.
Planar dimension as the preferred technical scheme of this utility model, the planar dimension of one-faced tapes and part to be separated
Identical；The thickness of one-faced tapes is h, h=0.001～0.1mm, such as 0.001mm, 0.005mm, 0.01mm, 0.05mm,
0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm or 1mm etc., it is not limited to listed
Lift numerical value, listed in the range of other numerical value the most feasible.
As the preferred technical scheme of this utility model, in described electromagnetic interference EMI material, the side of protecting film layer adheres to
Live part, opposite side relative with live part on protecting film layer and protecting film phase adhesion, i.e. protecting film is laminated is stained with
Effect part, an adhering protective film on the other side.
Described protecting film has high temperature resistant and that height is viscous characteristic, and its resistance to elevated temperatures is resistance to electromagnetic interference EMI material
Temperature matches, so that protecting film will not damage during high-temperature laminating, its viscosity size is: peeling off the same of this protecting film
Time make protecting film layer peel off together.
As the preferred technical scheme of this utility model, the thickness of described protecting film is 0.01～0.2mm, such as
0.01mm, 0.05mm, 0.1mm, 0.15mm or 0.2mm etc., it is not limited to cited numerical value, listed in the range of other numbers
It is worth the most feasible.
As the preferred technical scheme of this utility model, described electromagnetic interference EMI material is stained with the one of one-faced tapes
Side is covered with first exfoliated film, first its protective effect main of exfoliated film.
In this utility model, it is stained with its structure of electromagnetic interference EMI composite such as Fig. 5 institute of protecting film and exfoliated film
Show.
Electromagnetic interference EMI composite both sides described in the utility model adhering protective film respectively and first exfoliated film,
During use, first first will peel off by exfoliated film, by high-temperature laminating, make leading of electromagnetic interference EMI composite member-retaining portion
Electricity glue-line thawing is adhered fixed on affixed object, makes to be formed between member-retaining portion and part to be separated difference in height, then peels off protection
Film, while protecting film stripping, the protecting film layer of electromagnetic interference EMI composite is also together peeled off with protecting film, and stripping process is such as
Shown in Fig. 6.
Wherein, the peeling direction of protecting film need to be peeled off to opposite side by being stained with one-faced tapes side.
Compared with prior art, this utility model has the advantages that
This utility model side in EMI matrix material peeling direction increases resistant to elevated temperatures one-faced tapes, at high-temperature laminating
During, in EMI composite, the conductive adhesive layer thawing of member-retaining portion is adhered fixed in affixed object, and part to be separated is because being stained with list
Forming difference in height between face adhesive tape and member-retaining portion, utilize the difference in height formed, pressing makes protecting film layer in advance and member-retaining portion
Separate, so that while peeling off the protecting film with high temperature resistant high viscosity, utilizing the difference in height formed, making EMI composite
In protecting film layer and part to be separated also effectively peel off with the protecting film of high temperature resistant high viscosity, thus improve EMI material prevent
The stripping rate of cuticular layer, makes stripping rate be improved to 80～90% by original 10～20%, reduces asking of EMI waste of material
Topic, makes production cost relatively prior art at least 60%.
Accompanying drawing explanation
Fig. 1 is the structural representation of EMI material in prior art；
Fig. 2 is the structural representation of EMI material die-cutting product in prior art, and wherein Fig. 2 (a) is the vertical view of die-cutting product
Figure, Fig. 2 (b) is the side view of die-cutting product；
Fig. 3 is the structural representation of the EMI material die-cutting product after improving in prior art；
Fig. 4 is the structural representation of electromagnetic interference EMI composite described in the utility model, and wherein Fig. 4 (a) is that electromagnetism is done
Disturb the top view of EMI composite；Fig. 4 (b) is the side view of electromagnetic interference EMI composite；
Fig. 5 is the structure of the electromagnetic interference EMI composite being stained with protecting film and exfoliated film described in the utility model
Side view；
Fig. 6 is the stripping schematic diagram of the electromagnetic interference EMI composite being stained with protecting film described in the utility model；
Wherein, 100-EMI matrix material, 101-function treatment layer, 102-metal film layer, 103-conductive adhesive layer, 110-
Member-retaining portion, 120-part to be separated, 130-protecting film layer, 200-one-faced tapes, 201-hemisection tool marks, 202-one-faced tapes gives up
Material, 300-protecting film, 400-first exfoliated film.
Detailed description of the invention
For this utility model is better described, it is simple to understand the technical solution of the utility model, below to this utility model
Further describe.But following embodiment is only simple example of the present utility model, does not represent or limits this practicality
Novel rights protection scope, this utility model protection domain is as the criterion with claims.
As shown in Figure 4, this utility model specific embodiment part provides a kind of electromagnetic interference EMI composite, described
Composite includes EMI matrix material 100 and one-faced tapes 200, and wherein EMI matrix material 100 includes live part and protection
Film layer 130, live part adheres on protecting film layer 130, and live part includes member-retaining portion 110 and part to be separated 120, treats
Separate section 120 side relative with protecting film layer 130 and one-faced tapes 200 sticking one side phase adhesion；Described protecting film
The planar dimension of layer 130 is equal to member-retaining portion 110 and the planar dimension sum of part to be separated 120.
Described live part is followed successively by function treatment layer 101, metal from inside to outside from the side viscous with protecting film layer 130 phase
Thin layer 102 and conductive adhesive layer 103.
The planar dimension of described one-faced tapes 200 is identical with the planar dimension of part 120 to be separated；One-faced tapes 200
Thickness is h, h=0.001～1mm.
Embodiment 1:
A kind of electromagnetic interference EMI composite, described composite includes EMI matrix material 100 and one-faced tapes 200,
Wherein EMI matrix material 100 includes live part and protecting film layer 130, and live part adheres on protecting film layer 130, effectively
Part includes member-retaining portion 110 and part to be separated 120, side that part 120 to be separated is relative with protecting film layer 130 and one side
Adhesive tape 200 sticking one side phase adhesion；The planar dimension of protecting film layer 130 is equal to member-retaining portion 110 and part to be separated 120
Planar dimension sum.
Described live part is followed successively by function treatment layer 101, metal from inside to outside from the side viscous with protecting film layer 130 phase
Thin layer 102 and conductive adhesive layer 103.
As a example by rectangle, length b of described one-faced tapes 200 ' identical with the width b of member-retaining portion 110；One-faced tapes
The width c ' of 200 is identical with the width c of part 120 to be separated；The i.e. planar dimension of one-faced tapes 200 and part 120 to be separated
Planar dimension identical；The thickness h of one-faced tapes 200 is 0.05mm.
Embodiment 2:
The present embodiment 2 provides a kind of electromagnetic interference EMI composite, except the thickness h of one-faced tapes 200 is
Outside 0.001mm, other structures are all identical with the electromagnetic interference EMI composite in embodiment 1.
Embodiment 3:
The present embodiment 2 provides a kind of electromagnetic interference EMI composite, except the thickness h of one-faced tapes 200 is in addition to 1mm,
Other structures are all identical with the electromagnetic interference EMI composite in embodiment 1.
Embodiment 4:
The application of electromagnetic interference EMI composite described in embodiment 1-3:
In electromagnetic interference EMI composite protecting film layer 130 side adhere to live part, on protecting film layer 130 with
The opposite side adhering protective film 300 that live part is relative, the thickness of this protecting film 300 is 0.01mm.
On the electromagnetic interference EMI composite of adhering protective film 300, the one side relative with protecting film 300 adheres to first shell
Mould release membrance 400.
In use, first first exfoliated film 400 is peeled off, by high-temperature laminating, make electromagnetic interference EMI composite
The conductive adhesive layer 103 of member-retaining portion 110 melts and is adhered fixed on affixed object, make member-retaining portion 110 and portion to be separated 120/
Between form difference in height, then peel off protecting film 300, protecting film 300 peel off while the protection of electromagnetic interference EMI composite 600
Film layer 130 is also together peeled off with protecting film 300, and as shown in Figure 6, the stripping rate of final EMI material protection film layer is stripping process
87～90%, make production cost relatively prior art reduce 63～65%.
Embodiment 5:
The application of electromagnetic interference EMI composite described in embodiment 1-3:
In electromagnetic interference EMI composite protecting film layer 130 side adhere to live part, on protecting film layer 130 with
The opposite side adhering protective film 300 that live part is relative, the thickness of this protecting film 300 is 0.05mm.
On the electromagnetic interference EMI composite of adhering protective film 300, the one side relative with protecting film 300 adheres to first shell
Mould release membrance 400.
Its use process identical with the use process in embodiment 4, the stripping rate of final EMI material protection film layer be 85～
87%, make production cost relatively prior art reduce 60～62%.
Embodiment 6:
Present embodiments provide the application process of electromagnetic interference EMI composite, except the thickness of protecting film 300 is
Outside 0.2mm, the adherent fashion of its protecting film 300 and first exfoliated film 400 is the most in the same manner as in Example 6, and it uses process and reality
Executing the use process in example 6 identical, the stripping rate of final EMI material protection film layer is 83～85%, makes production cost more existing
Technology reduces 62～65%.
The result of integrated embodiment 1-8 is it can be seen that this utility model side in EMI matrix material peeling direction increases
Resistant to elevated temperatures one-faced tapes, during high-temperature laminating, in EMI composite, the conductive adhesive layer thawing of member-retaining portion is adhered fixed
In affixed object, part to be separated is because being stained with between one-faced tapes and member-retaining portion formation difference in height, so that protecting film layer and treating
Separate section separates with member-retaining portion in advance, so that while peeling off the protecting film with high temperature resistant high viscosity, EMI composite wood
Protecting film layer and part to be separated in material are the most effectively peeled off, thus improve the stripping rate of EMI material protection film layer, make
Stripping rate is improved to 80～90% by original 10～20%, and the problem reducing EMI waste of material makes production cost more existing
Technology reduces at least 60%.
Applicant states, this utility model illustrates method detailed of the present utility model by above-described embodiment, but this reality
It is not limited to above-mentioned method detailed with novel, does not i.e. mean that this utility model has to rely on above-mentioned method detailed ability real
Execute.Person of ordinary skill in the field is it will be clearly understood that to any improvement of the present utility model, each former to this utility model product
The equivalence of material is replaced and the interpolation of auxiliary element, concrete way choice etc., all falls within protection domain of the present utility model and public affairs
Within the scope of opening.
Claims (6)
1. an electromagnetic interference EMI composite, it is characterised in that described composite includes EMI matrix material (100) and list
Face adhesive tape (200), wherein EMI matrix material (100) includes live part and protecting film layer (130), and live part adheres to anti-
On cuticular layer (130), live part includes member-retaining portion (110) and part to be separated (120), and part to be separated (120) is with anti-
Side that cuticular layer (130) is relative and the phase adhesion of one-faced tapes (200) sticking one side；Putting down of described protecting film layer (130)
Face size is equal to member-retaining portion (110) and the planar dimension sum of part to be separated (120).
Electromagnetic interference EMI composite the most according to claim 1, it is characterised in that described live part from protection
The side that film layer (130) glues mutually is followed successively by function treatment layer (101), metal film layer (102) and conductive adhesive layer from inside to outside
(103)。
Electromagnetic interference EMI composite the most according to claim 1, it is characterised in that putting down of described one-faced tapes (200)
Face size is identical with the planar dimension of part to be separated (120)；The thickness of one-faced tapes (200) is h, h=0.001～1mm.
Electromagnetic interference EMI composite the most according to claim 1, it is characterised in that in described electromagnetic interference EMI material
The side of protecting film layer (130) adheres to live part, the upper opposite side relative with live part of protecting film layer (130) and protecting film
(300) phase adhesion.
Electromagnetic interference EMI composite the most according to claim 4, it is characterised in that the thickness of described protecting film (300)
It is 0.01～0.2mm.
Electromagnetic interference EMI composite the most according to claim 1, it is characterised in that in described electromagnetic interference EMI material
The side being stained with one-faced tapes (200) is covered with first exfoliated film (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290679.7U CN205601284U (en) | 2016-04-08 | 2016-04-08 | Electromagnetic interference EMI combined material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290679.7U CN205601284U (en) | 2016-04-08 | 2016-04-08 | Electromagnetic interference EMI combined material |
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| Publication Number | Publication Date |
|---|---|
| CN205601284U true CN205601284U (en) | 2016-09-28 |
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ID=56972501
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620290679.7U Active - Reinstated CN205601284U (en) | 2016-04-08 | 2016-04-08 | Electromagnetic interference EMI combined material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263956A (en) * | 2016-04-08 | 2017-10-20 | 苏州达翔新材料有限公司 | A kind of electromagnetic interference EMI composites and preparation method thereof |
| CN110681325A (en) * | 2019-10-23 | 2020-01-14 | 杭州见闻录科技有限公司 | Method for manufacturing composite microspheres and core-shell type composite microspheres for EMI shielding |
-
2016
- 2016-04-08 CN CN201620290679.7U patent/CN205601284U/en active Active - Reinstated
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263956A (en) * | 2016-04-08 | 2017-10-20 | 苏州达翔新材料有限公司 | A kind of electromagnetic interference EMI composites and preparation method thereof |
| CN110681325A (en) * | 2019-10-23 | 2020-01-14 | 杭州见闻录科技有限公司 | Method for manufacturing composite microspheres and core-shell type composite microspheres for EMI shielding |
| CN110681325B (en) * | 2019-10-23 | 2020-10-27 | 杭州见闻录科技有限公司 | Method for manufacturing composite microspheres and core-shell type composite microspheres for EMI shielding |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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Former decision: termination of patent right due to unpaid annual fee Former decision publication date: 20200403 |
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