CN105007704A - Composite heat-dissipation wave-absorbing film - Google Patents
Composite heat-dissipation wave-absorbing film Download PDFInfo
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- CN105007704A CN105007704A CN201410167526.9A CN201410167526A CN105007704A CN 105007704 A CN105007704 A CN 105007704A CN 201410167526 A CN201410167526 A CN 201410167526A CN 105007704 A CN105007704 A CN 105007704A
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- rete
- ripple
- heat radiation
- film
- hole
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- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims description 59
- 239000000463 material Substances 0.000 claims description 18
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 17
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 12
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
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- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 6
- -1 Lauxite Polymers 0.000 claims description 6
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 6
- QHCZEKMIMJAYOR-UHFFFAOYSA-N [Fe].[Zn].[Nb] Chemical compound [Fe].[Zn].[Nb] QHCZEKMIMJAYOR-UHFFFAOYSA-N 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
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- 229920001577 copolymer Polymers 0.000 claims description 6
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- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 6
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- 239000004814 polyurethane Substances 0.000 claims description 6
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 3
- 229910000676 Si alloy Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- RFIJBZKUGCJPOE-UHFFFAOYSA-N [Fe].[Ni].[Zn] Chemical compound [Fe].[Ni].[Zn] RFIJBZKUGCJPOE-UHFFFAOYSA-N 0.000 claims description 3
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 claims description 3
- KSIIOJIEFUOLDP-UHFFFAOYSA-N [Si].[Fe].[Ni] Chemical compound [Si].[Fe].[Ni] KSIIOJIEFUOLDP-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- ADCXHZZSUADYMI-UHFFFAOYSA-N cadmium lithium Chemical compound [Li].[Cd] ADCXHZZSUADYMI-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- RIVZIMVWRDTIOQ-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co].[Co] RIVZIMVWRDTIOQ-UHFFFAOYSA-N 0.000 claims description 3
- NVIVJPRCKQTWLY-UHFFFAOYSA-N cobalt nickel Chemical compound [Co][Ni][Co] NVIVJPRCKQTWLY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
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- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 claims description 3
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Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention provides a composite heat-dissipation wave-absorbing film. The film comprises a first wave-absorbing film layer, a heat-dissipation film layer, and a second wave-absorbing film layer, which are combined in sequence, wherein the heat-dissipation film layer is provided with through-holes, and the first wave-absorbing film layer is connected to the second wave-absorbing film through the through-holes. The composite heat-dissipation wave-absorbing film has effects of electromagnetic shielding and electromagnetic noise inhibition, and solves problems of heat conduction and electromagnetic wave shielding of an electronic instrument.
Description
Technical field
The present invention relates to a kind of composite radiating and inhale ripple film.
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.
But, due to the speed of transfer of data and the increase of frequency and circuit board integrated level, with the interference reducing adjacent component, more and more higher requirement is proposed to the environment improving electromagnetic interference.Smart machine operationally in addition, and the continuous emitting electromagnetic wave outward of meeting, maximum power can reach 2w, 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.Therefore, use and can to absorb and the absorbing material of loss magnetic energy can avoid the problem of this respect, as magnetic material and blend rubber being formed of proposing in patent document EP0667643B1 inhales ripple rete.
It is that the electromagnetic wave of absorption is converted into heat energy that absorbing material shields electromagnetic principle, and this can cause the rising of electronic device temperature, not only can reduce the wave-absorbing effect inhaling ripple film, also can reduce power consumption and the stability of electronic device.Therefore, develop the absorbing material with heat sinking function and there is urgent demand in intelligent electronic device.
And synthetic graphite film (see patent document JP1985181129A) is due to the thermal conductivity (800-2000 W/mk) of its superelevation and frivolous feature (10-50um), becomes the focus in Heat Conduction Material gradually.In patent document CN202799566U, graphite guide hotting mask is directly fit together by adhesive tape and suction ripple film.Although by adopting graphite heat conducting material, overall heat conductivility is improved, causing the heat that electromagnetic wave changes into by absorbing material due to the thermal resistance of adhesive tape can not be transmitted on graphite film timely.In addition, because the material of graphite film is the single-element of carbon, surface energy is lower, is not easy to bond with other materials.Further, synthetic graphite film is made up of the graphitic molecules layer of thousands of layers, combines between layers, be very easy to there is being the situation lower leaf of external force by Van der Waals force, thus destroys the compound of itself and other materials.Therefore, need a kind of by synthetic graphite film and the stable method combined of absorbing material, can effectively solve absorbing material heating problem and increase the reliability of its processing.
Summary of the invention
The object of the present invention is to provide a kind of composite radiating to inhale ripple film, the heat conduction of electronic equipment and the problem of electromagnetic wave shielding can be solved.
For solving the problem, the invention provides a kind of composite radiating and inhale ripple film, comprise first of compound successively and inhale ripple rete, heat radiation rete and the second suction ripple rete, wherein, described heat radiation rete is provided with through hole, and described first suction ripple rete and second is inhaled ripple rete and is linked together by described through hole.
Further, inhale in ripple film at above-mentioned composite radiating, the material of described heat radiation rete is synthetic graphite film, and the thickness of heat radiation rete is 10um-50um, and thermal conductivity is 800-2000W/mk.
Further, inhale in ripple film at above-mentioned composite radiating, the aperture of the through hole on described heat radiation rete is 0.1-10mm, and density is 1-10000/cm
2.
Further, inhale in ripple film at above-mentioned composite radiating, the aperture of the through hole on described heat radiation rete is 0.2-5mm, and density is 10-1000/cm
2.
Further, inhale in ripple film at above-mentioned composite radiating, the aperture of the through hole on described heat radiation rete is 0.5-2mm, and density is 50-100/cm
2.
Further, inhale in ripple film at above-mentioned composite radiating, the shape of the through hole on described heat radiation rete is circle, square, rectangle, ellipse, triangle, polygon or other are irregularly shaped.
Further, inhale in ripple film at above-mentioned composite radiating, described first and second inhale ripple retes consist of the wave absorbing agent of 60-90% and the organic binder bond of 10-40%, first and second thickness inhaling ripple rete are respectively 20um-1mm, be 80-200 at the magnetic permeability of 1MHz frequency, in the scope of 1Hz-1GHz, average magnetic permeability is greater than 50.
Further, inhale in ripple film at above-mentioned composite radiating, the material of described wave absorbing agent is soft magnetic alloy powder, comprise 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, any one or combination in any in ferrocobalt, ferrochrome, iron silicon nickel alloy, iron, silicon, aluminum and nickel alloy, magnesium manganeisen, cobalt-nickel alloy, lithium manganese alloy and lithium cadmium ferroalloy.
Further, inhale in ripple film at above-mentioned composite radiating, described organic binder bond is macromolecular material, comprise any one in phenolic resins, Lauxite, epoxy resin, acrylic resin, polyvinyl butyral resin, vinyl acetate and copolymer thereof, organic silica gel resinoid, polyurethane and rubber resin, or several polymer in phenolic resins, Lauxite, epoxy resin, acrylic resin, polyvinyl butyral resin, vinyl acetate and copolymer thereof, organic silica gel resinoid, polyurethane and rubber resin.
Further, inhale in ripple film at above-mentioned composite radiating, described second suction ripple rete has away from the one side of described heat radiation rete the double faced adhesive tape fitted with electronic device.
The present invention also provides a kind of and manufactures the method that above-mentioned composite radiating inhales ripple film, comprising:
Inhale ripple rete by first and be coated in release film surface;
The heat radiation rete being provided with through hole is compounded in the surface of the first suction ripple rete;
The surface that ripple rete is coated in the heat radiation rete being provided with through hole is inhaled by second;
Inhale ripple rete by first, heat radiation rete and second inhales ripple rete and solidify under the effect of high temperature or catalyst.
Compared with prior art, the present invention includes first of compound successively and inhale ripple rete, heat radiation rete and the second suction ripple rete, wherein, described heat radiation rete is provided with through hole, described first suction ripple rete and second is inhaled ripple rete and is linked together by described through hole, the effect of the suppression of electromagnetic shielding and electromagnetic noise can be played, solve the heat conduction of electronic equipment and the problem of electromagnetic wave shielding.
Accompanying drawing explanation
Fig. 1 is the structure chart of the composite radiating suction ripple film of the embodiment of the present invention 1;
Fig. 2 is the structure chart of the composite radiating suction ripple film of the embodiment of the present invention 2;
Fig. 3 is the structure chart of the composite radiating suction ripple film of the embodiment of the present invention 3;
Fig. 4 is the structure chart of the suction ripple film of comparative example 1 of the present invention;
Fig. 5 is the schematic diagram of the disbonded test of embodiments of the invention 1;
Fig. 6 is the manufacturing process flow diagram of the composite radiating suction ripple film of embodiments of the invention 4.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
The invention provides a kind of composite radiating and inhale ripple film, comprise first of compound successively and inhale ripple rete, heat radiation rete and the second suction ripple rete,
Wherein, described heat radiation rete is provided with through hole, described first suction ripple rete and second is inhaled ripple rete and is linked together by described through hole.Concrete, by the through hole on heat radiation rete, the first suction ripple rete and second are inhaled ripple rete to be connected, the first suction ripple rete and second can be made to inhale ripple rete combine with the rete that dispels the heat securely, and, heat radiation rete and first inhales combination that ripple rete, second inhales ripple rete not by any adhesive tape, thus effectively reduces the thermal resistance between dispel the heat rete and the first suction ripple rete, the second suction ripple rete.
Preferably, the material of described heat radiation rete is synthetic graphite film, and the thickness of heat radiation rete is 10um-50um, and thermal conductivity is 800-2000W/mk.Concrete, by the through hole on synthetic graphite film, the first suction ripple rete and second are inhaled ripple rete to be connected, the first suction ripple rete and second can be made to inhale ripple rete combine with synthetic graphite film securely, and, graphite film and first inhales combination that ripple rete, second inhales ripple rete not by any adhesive tape, thus effectively reduces synthetic graphite film and first and inhale ripple rete, second and inhale thermal resistance between ripple rete.
Preferably, the aperture of the through hole on described heat radiation rete is 0.1-10mm, and density is 1-10000/cm2.Preferably, the aperture of the through hole on described heat radiation rete is 0.2-5mm, and density is 10-1000/cm
2.More excellent, the aperture of the through hole on described heat radiation rete is 0.5-2mm, and density is 50-100/cm
2.Concrete, the through-hole aperture on described heat dissipation film is at 0.1-10mm, and preferably 0.2-5mm, is preferably 0.5-2mm; Its density is 1-10000/cm2, preferably 10-1000/cm2, is preferably 50-100/cm2.
Preferably, the shape of the through hole on described heat radiation rete is circle, square, rectangle, ellipse, triangle, polygon or other are irregularly shaped.
Preferably, described first and second inhale ripple retes consist of the wave absorbing agent of 60-90% and the organic binder bond of 10-40%, first and second thickness inhaling ripple rete are respectively 20um-1mm, and be 80-200 at the magnetic permeability of 1MHz frequency, in the scope of 1Hz-1GHz, average magnetic permeability is greater than 50.
Preferably, the material of described wave absorbing agent is soft magnetic alloy powder, comprise 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, any one or combination in any in ferrocobalt, ferrochrome, iron silicon nickel alloy, iron, silicon, aluminum and nickel alloy, magnesium manganeisen, cobalt-nickel alloy, lithium manganese alloy and lithium cadmium ferroalloy.
Preferably, described organic binder bond is macromolecular material, comprise any one in phenolic resins, Lauxite, epoxy resin, acrylic resin, polyvinyl butyral resin, vinyl acetate and copolymer thereof, organic silica gel resinoid, polyurethane and rubber resin, or several polymer in phenolic resins, Lauxite, epoxy resin, acrylic resin, polyvinyl butyral resin, vinyl acetate and copolymer thereof, organic silica gel resinoid, polyurethane and rubber resin.
Preferably, described second suction ripple rete has away from the one side of described heat radiation rete the double faced adhesive tape fitted with electronic device.
The present invention also provides a kind of and manufactures the method that above-mentioned composite radiating inhales ripple film, comprising:
Inhale ripple rete by first and be coated in release film surface; As the organic binder bond being mixed with soft magnetic material powder is coated in release film surface;
The heat radiation rete being provided with through hole is compounded in the surface of the first suction ripple rete;
The surface that ripple rete is coated in the heat radiation rete being provided with through hole is inhaled by second; As the organic binder bond being mixed with soft magnetic material powder being coated in the surface of the heat radiation rete being provided with through hole;
Inhale ripple rete by first, heat radiation rete and second inhales ripple rete and solidify under the effect of high temperature or catalyst.
Embodiment 1
As shown in Figure 1, a kind of structure of composite radiating suction ripple film comprises first of compound successively and inhales ripple rete 11, heat radiation rete 12 and the second suction ripple rete 13, wherein, described heat radiation rete 12 is provided with through hole 1, and described first inhales ripple rete 11 and second is inhaled ripple rete 13 and is linked together by described through hole 1.The material of heat radiation rete 12 is synthetic graphite film, and its thickness is 0.01mm, and thermal conductivity is 1900W/mk.First suction ripple rete 11 and the second suction ripple rete 13 material are that thickness is 0.05mm, and magnetic permeability is 80 containing the Fe-Ni Alloy Powder of 80% weight ratio and the epoxy resin adhesive of 20% weight ratio.Synthetic graphite film is provided with the manhole 1 that die-cutting machine manufactures, its diameter is 0.5 mm, its density 100/m
2.
Embodiment 2
As shown in Figure 2, a kind of composite radiating inhale ripple film structure successively compound first inhales ripple rete 11, heat radiation rete 12 and second inhales ripple rete 13, wherein, described heat radiation rete 12 is provided with through hole 1, described first inhales ripple rete 11 and second is inhaled ripple rete 13 and is linked together by described through hole 1.The material of heat radiation rete 12 is synthetic graphite film, and its thickness is 0.01mm, and thermal conductivity is 1900W/mk.First material of inhaling ripple rete 11 and the second suction ripple rete 13 is that thickness is 0.05mm, and magnetic permeability is 80 containing the Fe-Ni Alloy Powder of 80% weight ratio and the epoxy resin adhesive of 20% weight ratio.Synthetic graphite film is provided with the square through-hole 1 that die-cutting machine manufactures, its length of side is 0.5 mm, its density 100/m
2.
Embodiment 3
As shown in Figure 3, a kind of composite radiating inhale ripple film structure successively compound first inhales ripple rete 11, heat radiation rete 12 and second inhales ripple rete 13, wherein, described heat radiation rete 12 is provided with through hole 1, described first inhales ripple rete 11 and second is inhaled ripple rete 13 and is linked together by described through hole 1, inhale ripple rete 13 second and be covered with one-faced tapes 14, first inhales ripple rete 11 is compounded on release film 16 by layers of two-sided 15.In a particular application, embodiment 3, release film composite radiating as shown in Figure 3 being inhaled ripple film side is peeled off, and composite radiating is inhaled ripple film and is attached to the parts surface needing electromagnetic shielding and heat radiation, can electromagnetic wave absorption effectively can reduce the temperature of electronic unit.
Comparative example 1
As shown in Figure 4, a kind of existing its structure of suction ripple film comprises the first suction ripple rete 11, layers of two-sided 15 and heat radiation rete 12 from top to bottom, wherein, the material of layers of two-sided 15 is acrylic acid adhesive, heat radiation rete 12 is synthetic graphite film, and its thickness is 0.01mm, and thermal conductivity is 1900W/mk.First suction ripple rete 11 is that thickness is 0.025mm containing the Fe-Ni Alloy Powder of 80% weight ratio and the epoxy resin adhesive of 20% weight ratio.
The suction ripple film of embodiment 1 and comparative example 1 is carried out disbonded test respectively, and disbonded test adopts 180 degree of peel test force method tests in accordance with ASTM-D3330 testing standard.As shown in Figure 5, in test, first the side of implementing to inhale ripple membrane sample is bonded in smooth copper coin 17 surface by the double faced adhesive tape 15 of peeling force 10N/25mm, opposite side and peeling force are that the one side glue 14 of 10N/25mm is bonded together, and the length of one side glue 14 is greater than sample.In test, one side glue 14 is held with the speed 180 of 30mm/min
oangle carry out stripping test.Test sample is the suction ripple membrane sample of embodiment 1 and comparative example 1, test result is: the sample of comparative example 1 causes synthetic graphite film due to graphite film interior laminate layer and inhales ripple UF membrane, this peeling force <10N/25mm proving graphite film and inhale between ripple film; The suction ripple membrane sample of embodiment 1 is then stripped from copper coin 17 surface together with the double faced adhesive tape 15 contacted with copper coin 17, proves the peeling force >10N/25mm in embodiment 1 between synthetic graphite film and suction ripple film.Above-mentioned result of the test illustrates, adopt scheme heat radiation rete 12 being provided with through hole effectively can increase the combined strength bination that composite radiating inhales ripple film, in use reduce the wastage rate, improves its processing characteristics.
Embodiment 4
As shown in Figure 6, the manufacture method of the composite radiating suction ripple film of one embodiment of the invention comprises:
Step 1, inhales ripple rete 11 by first of the epoxy resin adhesive of the Anhyster powder with 20% weight ratio that are mixed with 80% weight ratio and mixes in agitator tank and use coater on release film 16;
Step 2, uses compounding machine to be attached to by the heat radiation rete 12 of the synthetic graphite film of the 0.01mm with through hole and inhales on ripple rete 11 in first;
Step 3, after being coated in the surface of the heat radiation rete 12 being provided with through hole by the second suction ripple rete 13 being mixed with the organic binder bond of soft magnetic material powder
Step 4,90
oinhale ripple rete 11, heat radiation rete 12 and the second suction ripple rete 13 under the effect of C high temperature to be cured first.
In sum, the present invention includes first of compound successively and inhale ripple rete, heat radiation rete and the second suction ripple rete, wherein, described heat radiation rete is provided with through hole, described first suction ripple rete and second is inhaled ripple rete and is linked together by described through hole, the effect of the suppression of electromagnetic shielding and electromagnetic noise can be played, solve the heat conduction of electronic equipment and the problem of electromagnetic wave shielding.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (11)
1. a composite radiating inhales ripple film, it is characterized in that, comprise first of compound successively and inhale ripple rete, heat radiation rete and the second suction ripple rete, wherein, described heat radiation rete is provided with through hole, and described first suction ripple rete and second is inhaled ripple rete and is linked together by described through hole.
2. composite radiating as claimed in claim 1 inhales ripple film, and it is characterized in that, the material of described heat radiation rete is synthetic graphite film, and the thickness of heat radiation rete is 10um-50um, and thermal conductivity is 800-2000W/mk.
3. composite radiating as claimed in claim 1 inhales ripple film, and it is characterized in that, the aperture of the through hole on described heat radiation rete is 0.1-10mm, and density is 1-10000/cm
2.
4. composite radiating as claimed in claim 3 inhales ripple film, and it is characterized in that, the aperture of the through hole on described heat radiation rete is 0.2-5mm, and density is 10-1000/cm
2.
5. composite radiating as claimed in claim 4 inhales ripple film, and it is characterized in that, the aperture of the through hole on described heat radiation rete is 0.5-2mm, and density is 50-100/cm
2.
6. composite radiating as claimed in claim 1 inhales ripple film, it is characterized in that, the shape of the through hole on described heat radiation rete is circle, square, rectangle, ellipse, triangle, polygon or other are irregularly shaped.
7. the composite radiating as described in claim 1 inhales ripple film, it is characterized in that, described first and second inhale ripple retes consist of the wave absorbing agent of 60-90% and the organic binder bond of 10-40%, first and second thickness inhaling ripple rete are respectively 20um-1mm, be 80-200 at the magnetic permeability of 1MHz frequency, in the scope of 1Hz-1GHz, average magnetic permeability is greater than 50.
8. the composite radiating as described in claim 7 inhales ripple film, it is characterized in that, the material of described wave absorbing agent is soft magnetic alloy powder, comprise 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, any one or combination in any in ferrocobalt, ferrochrome, iron silicon nickel alloy, iron, silicon, aluminum and nickel alloy, magnesium manganeisen, cobalt-nickel alloy, lithium manganese alloy and lithium cadmium ferroalloy.
9. the suction ripple film as described in claim 7, it is characterized in that, described organic binder bond is macromolecular material, comprise any one in phenolic resins, Lauxite, epoxy resin, acrylic resin, polyvinyl butyral resin, vinyl acetate and copolymer thereof, organic silica gel resinoid, polyurethane and rubber resin, or several polymer in phenolic resins, Lauxite, epoxy resin, acrylic resin, polyvinyl butyral resin, vinyl acetate and copolymer thereof, organic silica gel resinoid, polyurethane and rubber resin.
10. the composite radiating as described in claim 1 inhales ripple film, it is characterized in that, described second suction ripple rete has away from the one side of described heat radiation rete the double faced adhesive tape fitted with electronic device.
Composite radiating described in 11. 1 kinds of any one of manufacturing claims 1 ~ 10 inhales the method for ripple film, it is characterized in that, comprising:
Inhale ripple rete by first and be coated in release film surface;
The heat radiation rete being provided with through hole is compounded in the surface of the first suction ripple rete;
The surface that ripple rete is coated in the heat radiation rete being provided with through hole is inhaled by second;
Inhale ripple rete by first, heat radiation rete and second inhales ripple rete and solidify under the effect of high temperature or catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106659104A (en) * | 2016-12-28 | 2017-05-10 | 南京南大波平电子信息有限公司 | Moisture-proof and antioxidant low-frequency electromagnetic wave absorbing materials |
| CN108074821A (en) * | 2016-11-16 | 2018-05-25 | 利诺士尖端材料有限公司 | Electromagnetic wave shielding and heat dissipation composite sheet graphite flake, the electromagnetic wave shielding including it and heat dissipation composite sheet and preparation method thereof |
| CN109207084A (en) * | 2017-06-30 | 2019-01-15 | 利诺士尖端材料有限公司 | Electromagnetic wave shielding and heat dissipation composite sheet and preparation method thereof |
| CN109903787A (en) * | 2019-01-21 | 2019-06-18 | 上德(珠海)数据科技有限公司 | A method of promoting digital player playback quality |
| CN110861359A (en) * | 2019-11-25 | 2020-03-06 | 苏州驭奇材料科技有限公司 | Composite heat dissipation wave absorption film |
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| CN114050420A (en) * | 2021-11-29 | 2022-02-15 | 南京航空航天大学 | Heat dissipation-wave absorption integrated passive frequency selective surface wave absorber |
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| CN109207084A (en) * | 2017-06-30 | 2019-01-15 | 利诺士尖端材料有限公司 | Electromagnetic wave shielding and heat dissipation composite sheet and preparation method thereof |
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| CN112829398A (en) * | 2021-01-18 | 2021-05-25 | 中铝材料应用研究院有限公司 | Aluminum alloy composite board with low electromagnetic shielding effectiveness |
| CN114050420A (en) * | 2021-11-29 | 2022-02-15 | 南京航空航天大学 | Heat dissipation-wave absorption integrated passive frequency selective surface wave absorber |
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