CN105006274A - Composite tape material with electromagnetic shielding protection structure and manufacturing method thereof - Google Patents
Composite tape material with electromagnetic shielding protection structure and manufacturing method thereof Download PDFInfo
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- CN105006274A CN105006274A CN201510446994.4A CN201510446994A CN105006274A CN 105006274 A CN105006274 A CN 105006274A CN 201510446994 A CN201510446994 A CN 201510446994A CN 105006274 A CN105006274 A CN 105006274A
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Abstract
The invention provides a composite tape material with an electromagnetic shielding protection structure. The composite tape material comprises at least two wave-absorbing film layers. The adjacent wave-absorbing film layers are connected via adhesive layers. The invention also provides a manufacturing method of the composite tape material with the electromagnetic shielding protection structure. The composite tape material has great anti-bending performance and electromagnetic wave absorption performance and can be conveniently wound on a data cable so that the requirement of shielding effectiveness can be effectively realized.
Description
Technical field
The present invention relates to and a kind ofly have composite strip of electromagnetic shielding operator guards and preparation method thereof, is a kind of suction wavestrip material being applied to data cable electromagnetism interference.
Background technology
Along with the develop rapidly of electronic technology, have the day by day universal of the electronic product of various personalized entertainment function, also make electronic product be rapidly to the future developments such as intellectuality, integrated, lightening, multifunction.
Operationally, the continuous emitting electromagnetic wave outward of meeting, maximum power can reach 2w to smart machine, and this is very large on the impact of surrounding environment.Therefore, for avoiding its interference operationally each other and to surrounding environment, must limit some unnecessary radiation.Because the speed of transfer of data is faster, capacity is larger, needs transmission accuracy higher, with the interference reducing adjacent component, more and more higher requirement is proposed to the environment improving electromagnetic interference.And traditional data cable can not meet the demand of rapid development of information technology, therefore need to design a kind of novel cable and solved electromagnetic interference and error code phenomenon.Its design key is the insulating barrier of the core outer cladding electromagnetism interference in data cable.Further, coated insulating barrier can not produce leakage field phenomenon because of bending or twisting.
Ripple rete is inhaled in magnetic material and blend rubber being formed of proposing in patent EP0667643B1, uses and can absorb and loss electromagnetic interference.Because absorbing material is the film material containing high filler loading capacity wave absorbing agent, therefore it is easy to fracture when bending, and the more resistance to bending performance of the absorbing material that absorbing property is higher is poorer.Further, because the use size restrictions of cable, suction ripple thickness of strip used will at below 0.1mm.Therefore, be starved of research and development one and there is high electro-magnetic wave absorption performance, ultrathin and the excellent band of resistance to bending performance.
Summary of the invention
The object of the present invention is to provide and a kind of there is composite strip of electromagnetic shielding operator guards and preparation method thereof; this composite strip has good resistance to bending performance and electro-magnetic wave absorption performance; can be wrapped on data cable easily, effectively realize screening effectiveness requirement.
For achieving the above object, technical scheme of the present invention is a kind of composite strip with electromagnetic shielding operator guards of design, comprises at least two-layer suction ripple rete, is connected between adjacent suction ripple rete by tack coat.
Preferably, described suction ripple thicknesses of layers is 20um-50um, is greater than 50 at the magnetic permeability of 1MHz frequency, and it consists of the wave absorbing agent of 50-95% and the organic binder bond of 50-5%.
Preferably, the material of described wave absorbing agent is soft magnetic alloy powder, comprising: nickel zinc-iron alloy, ambrose alloy ferroalloy, zinc chrome ferroalloy, MnZn ferroalloy, niobium zinc-iron alloy, sendust, nichrome, niobium zinc-iron alloy, iron-nickel alloy, ferroaluminium, ferrocobalt, ferrochrome, iron silicon nickel alloy, iron, silicon, aluminum and nickel alloy, magnesium manganeisen, cobalt-nickel alloy, lithium manganese alloy, lithium cadmium ferroalloy.
Preferably, the thickness of described tack coat is 5um ~ 30um.
Preferably, described tack coat is the double faced adhesive tape having base material; Base material comprises: polyethylene terephthalate, polyvinyl chloride, polyethylene, polypropylene, nonwoven fabrics; Base material single or double even spread pressure sensitive adhesive.
Preferably, described tack coat is the pressure sensitive adhesive without base material.
Preferably, comprise four layers and inhale ripple rete.
Preferably, the gross thickness of described composite strip is at below 0.1mm.
The present invention also provides the above-mentioned manufacture method with the composite strip of electromagnetic shielding operator guards, comprises the steps:
Step 1, is coated in one side glue surface by the organic binder bond being mixed with soft magnetic alloy powder,
Step 2, is formed the rete of coating by hot setting and inhales ripple rete,
Step 3, is covered in tack coat and inhales on ripple rete,
Step 4, repeats step 1 and obtains having the electromagnetism interference composite strip that ripple rete is inhaled in multilayer isolation to 3.
Advantage of the present invention and beneficial effect are: provide a kind of and have composite strip of electromagnetic shielding operator guards and preparation method thereof; this composite strip has good resistance to bending performance and electro-magnetic wave absorption performance; can be wrapped on data cable easily, effectively realize screening effectiveness requirement.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As described in Figure 1, the invention provides a kind of composite strip with electromagnetic shielding operator guards, comprise at least two-layer suction ripple rete 1 (only showing 4 layers in figure), connected by tack coat 2 between adjacent suction ripple rete 1.
Described suction ripple rete 1 thickness is 20um-50um, and be greater than 50 at the magnetic permeability of 1MHz frequency, it consists of the wave absorbing agent of 50-95% and the organic binder bond of 50-5%.
The material of described wave absorbing agent is soft magnetic alloy powder, comprising: nickel zinc-iron alloy, ambrose alloy ferroalloy, zinc chrome ferroalloy, MnZn ferroalloy, niobium zinc-iron alloy, sendust, nichrome, niobium zinc-iron alloy, iron-nickel alloy, ferroaluminium, ferrocobalt, ferrochrome, iron silicon nickel alloy, iron, silicon, aluminum and nickel alloy, magnesium manganeisen, cobalt-nickel alloy, lithium manganese alloy, lithium cadmium ferroalloy.
The thickness of described tack coat 2 is 5um ~ 30um.
Described tack coat 2 can for there being the double faced adhesive tape of base material; Base material comprises: polyethylene terephthalate, polyvinyl chloride, polyethylene, polypropylene, nonwoven fabrics; Base material single or double even spread pressure sensitive adhesive.
Described tack coat 2 also can be the pressure sensitive adhesive without base material.
The gross thickness of described composite strip is at below 0.1mm.
The present invention also provides the above-mentioned manufacture method with the composite strip of electromagnetic shielding operator guards, comprises the steps:
Step 1, is coated in one side glue surface by the organic binder bond being mixed with soft magnetic alloy powder,
Step 2, is formed the rete of coating by hot setting and inhales ripple rete,
Step 3, is covered in tack coat and inhales on ripple rete,
Step 4, repeats step 1 and obtains having the electromagnetism interference composite strip that ripple rete is inhaled in multilayer isolation to 3.
The technical scheme that the present invention specifically implements is:
Embodiment 1
There is the composite strip of electromagnetic shielding operator guards, comprise at least two-layer suction ripple rete, connected by tack coat between adjacent suction ripple rete.
There is the composite strip of electromagnetic shielding operator guards; comprise four layers of polyethylene terephthalate double faced adhesive tape inhaled ripple retes and to be interposed between adjacent suction ripple rete; inhaling ripple rete is the film containing the Fe-Ni Alloy Powder of 80% weight ratio and the polyvinyl chloride adhesive of 20% weight ratio; thickness is 0.02mm; magnetic permeability is 50 at 1MHz, and polyethylene terephthalate double faced adhesive tape thickness is 0.005um.
The composite strip of gained in embodiment 1 can be wrapped on data cable.
Screening effectiveness is tested
Screening effectiveness (dB) is by Agilent E5061A vector network tester in accordance with ASTM-D-4935 testing standard, the test of DN1015 screening effectiveness testing apparatus, test result for embodiment 2 is known, and in the frequency range of 0-1GHz, electromagnetic shielding effectiveness is average 56dB.
Bending resistance is reckoned the actual amount after a discount and is tested
Bending resistance is reckoned the actual amount after a discount and is tested in accordance with JIS-C5016 testing standard by the tester of resistance to bending test, and the test result for embodiment 1 is known, and embodiment 1 is not fracture within 1000 bending cycles.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. there is the composite strip of electromagnetic shielding operator guards, it is characterized in that, comprise at least two-layer suction ripple rete, connected by tack coat between adjacent suction ripple rete.
2. the composite strip with electromagnetic shielding operator guards according to claim 1; it is characterized in that; described suction ripple thicknesses of layers is 20um-50um, is greater than 50 at the magnetic permeability of 1MHz frequency, and it consists of the wave absorbing agent of 50-95% and the organic binder bond of 50-5%.
3. the composite strip with electromagnetic shielding operator guards according to claim 2; it is characterized in that; the material of described wave absorbing agent is soft magnetic alloy powder, comprising: nickel zinc-iron alloy, ambrose alloy ferroalloy, zinc chrome ferroalloy, MnZn ferroalloy, niobium zinc-iron alloy, sendust, nichrome, niobium zinc-iron alloy, iron-nickel alloy, ferroaluminium, ferrocobalt, ferrochrome, iron silicon nickel alloy, iron, silicon, aluminum and nickel alloy, magnesium manganeisen, cobalt-nickel alloy, lithium manganese alloy, lithium cadmium ferroalloy.
4. the composite strip with electromagnetic shielding operator guards according to claim 3, is characterized in that, the thickness of described tack coat is 5um ~ 30um.
5. the composite strip with electromagnetic shielding operator guards according to claim 4, is characterized in that, described tack coat is the double faced adhesive tape having base material; Base material comprises: polyethylene terephthalate, polyvinyl chloride, polyethylene, polypropylene, nonwoven fabrics; Base material single or double even spread pressure sensitive adhesive.
6. the composite strip with electromagnetic shielding operator guards according to claim 4, is characterized in that, described tack coat is the pressure sensitive adhesive without base material.
7. the composite strip with electromagnetic shielding operator guards according to claim 5 or 6, is characterized in that, comprises four layers and inhales ripple rete.
8. the composite strip with electromagnetic shielding operator guards according to claim 7, is characterized in that, the gross thickness of described composite strip is at below 0.1mm.
9. there is according to any one of claim 1-8 the manufacture method of the composite strip of electromagnetic shielding operator guards, it is characterized in that, comprise the steps:
Step 1, is coated in one side glue surface by the organic binder bond being mixed with soft magnetic alloy powder,
Step 2, is formed the rete of coating by hot setting and inhales ripple rete,
Step 3, is covered in tack coat and inhales on ripple rete,
Step 4, repeats step 1 and obtains having the electromagnetism interference composite strip that ripple rete is inhaled in multilayer isolation to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446994.4A CN105006274A (en) | 2015-07-28 | 2015-07-28 | Composite tape material with electromagnetic shielding protection structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446994.4A CN105006274A (en) | 2015-07-28 | 2015-07-28 | Composite tape material with electromagnetic shielding protection structure and manufacturing method thereof |
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| CN105006274A true CN105006274A (en) | 2015-10-28 |
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| CN201510446994.4A Pending CN105006274A (en) | 2015-07-28 | 2015-07-28 | Composite tape material with electromagnetic shielding protection structure and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653195A (en) * | 2017-01-05 | 2017-05-10 | 南通沃特光电科技有限公司 | Cable with electromagnetic shielding function |
| CN107342266A (en) * | 2016-04-28 | 2017-11-10 | 新科实业有限公司 | Electronic component module and its manufacture method |
| CN108215385A (en) * | 2018-01-31 | 2018-06-29 | 华南理工大学 | A kind of electromagnetic wave shield film of high-absorbable energy and preparation method thereof |
| WO2018196517A1 (en) * | 2017-04-25 | 2018-11-01 | 深圳光启高等理工研究院 | Wave absorbing material and preparation method therefor |
| CN110157316A (en) * | 2019-05-29 | 2019-08-23 | 浙江康廷电子科技有限公司 | Heat-insulated suction wave material of one kind and preparation method thereof |
| CN110831422A (en) * | 2019-11-25 | 2020-02-21 | 苏州驭奇材料科技有限公司 | Composite strip with electromagnetic shielding protection structure |
-
2015
- 2015-07-28 CN CN201510446994.4A patent/CN105006274A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342266A (en) * | 2016-04-28 | 2017-11-10 | 新科实业有限公司 | Electronic component module and its manufacture method |
| CN107342266B (en) * | 2016-04-28 | 2020-09-18 | 新科实业有限公司 | Electronic component module and method for manufacturing same |
| CN106653195A (en) * | 2017-01-05 | 2017-05-10 | 南通沃特光电科技有限公司 | Cable with electromagnetic shielding function |
| WO2018196517A1 (en) * | 2017-04-25 | 2018-11-01 | 深圳光启高等理工研究院 | Wave absorbing material and preparation method therefor |
| CN108215385A (en) * | 2018-01-31 | 2018-06-29 | 华南理工大学 | A kind of electromagnetic wave shield film of high-absorbable energy and preparation method thereof |
| CN110157316A (en) * | 2019-05-29 | 2019-08-23 | 浙江康廷电子科技有限公司 | Heat-insulated suction wave material of one kind and preparation method thereof |
| CN110831422A (en) * | 2019-11-25 | 2020-02-21 | 苏州驭奇材料科技有限公司 | Composite strip with electromagnetic shielding protection structure |
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Application publication date: 20151028 |
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