CN102709703A - Manufacturing method of metamaterials and antenna housing made of metamaterials - Google Patents
Manufacturing method of metamaterials and antenna housing made of metamaterials Download PDFInfo
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- CN102709703A CN102709703A CN2012100505257A CN201210050525A CN102709703A CN 102709703 A CN102709703 A CN 102709703A CN 2012100505257 A CN2012100505257 A CN 2012100505257A CN 201210050525 A CN201210050525 A CN 201210050525A CN 102709703 A CN102709703 A CN 102709703A
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Abstract
本发明提供一种超材料的制造方法，其包括以下步骤：提供一介质基板，所述介质基板的两表面均排布有多个相互分离的人工微结构；提供两聚合物层，将所述两聚合物层分别黏结于所述介质基板的两表面，以覆盖相应表面的人工微结构，从而形成一体化的超材料。这样，所述人工微结构由所述两聚合物层保护起来，避免了外界环境的影响，可让超材料保持稳定的电磁性能，而且由于一体化的超材料具有致密的结构，其机械性能也相当优越。本发明还提供了一种罩设于天线外面以保护天线的天线罩，其是由利用上述方法制得的超材料制成的。
The invention provides a method for manufacturing a metamaterial, which includes the following steps: providing a dielectric substrate, a plurality of artificial microstructures separated from each other are arranged on both surfaces of the dielectric substrate; providing two polymer layers, and the The two polymer layers are respectively bonded to the two surfaces of the dielectric substrate to cover the artificial microstructures on the corresponding surfaces, thereby forming an integrated metamaterial. In this way, the artificial microstructure is protected by the two polymer layers, avoiding the influence of the external environment, allowing the metamaterial to maintain stable electromagnetic properties, and because the integrated metamaterial has a dense structure, its mechanical properties are also stable. Quite superior. The present invention also provides a radome covering the outside of the antenna to protect the antenna, which is made of the metamaterial prepared by the above method.
Description
Technical field
The present invention relates to ultra material, more particularly, relate to a kind of manufacturing approach of ultra material and the radome of processing by ultra material.
Background technology
Ultra material is a kind of artificial composite structure material with the not available extraordinary physical property of natural material.Current, people periodically arrange the artificial micro-structural with certain geometrical shape to form ultra material on medium substrate.Because people can utilize geometry and the size of artificial micro-structural and dielectric constant and/or the magnetic permeability that arrangement mode changes ultra material space each point; Make it produce the electromagnetic response of expection; Therefore people look forward to; Following ultra material can have wide practical use in every field, and actively drops into research and development.
At present, people have carried out the application study of ultra material as electromagnetic wave transparent material, are particularly making with ultra material aspect the radome.We know that radome is used for protecting antenna, make it avoid the influence of extraneous adverse circumstances.Therefore, radome not only should have good wave penetrate capability, and it also should have mechanical performances such as acidproof, high temperature resistant, anticorrosive, resistance to compression.Particularly for the radome that is installed on the high-speed aircraft, along with the flight Mach number of aircraft improves constantly, its mechanical performance to radome has proposed increasingly high requirement.Like this, the ultra material that is used to make radome also should have the favorable mechanical performance.
Summary of the invention
The technical problem that the present invention will solve is, the radome that the ultra material that the method for the ultra material that a kind of manufacturing has the favorable mechanical performance is provided and utilizes this method to make is processed.
The technical solution adopted for the present invention to solve the technical problems is: a kind of manufacturing approach of ultra material, and it may further comprise the steps:
One medium substrate is provided, and two surfaces of said medium substrate all are placed with a plurality of artificial micro-structurals that are separated from each other;
Two polymeric layers are provided, said two polymeric layers are bonded in two surfaces of said medium substrate respectively, covering the artificial micro-structural of respective surfaces, thus the ultra material of being integrally formed.
Preferably, before said two polymeric layers are bonded in two surfaces of said medium substrate, also comprise the surface-treated step is carried out on the surface of said medium substrate and said two polymeric layers, to increase the cohesiveness between them.
Preferably, in the step on two surfaces that said two polymeric layers are bonded in said medium substrate respectively, comprise: said two polymeric layers are heated, and heating-up temperature is lower than the vitrification point of the material that is used to make said two polymeric layers; Also pressurize in two surfaces that said two polymeric layers are covered in said medium substrate respectively, and institute's plus-pressure is as the criterion so that said two polymeric layers are deformed; Said two polymeric layers are carried out cooling curing.
The artificial micro-structural of preferably, adhering on the said medium substrate forms through following method: difference metallisation paper tinsel on two surfaces of said medium substrate; Said metal forming is carried out processed to form a plurality of metal micro structures that are separated from each other.
Preferably, it is different being attached to said medium substrate two surperficial artificial micro-structurals.
Preferably, the material that is used to make said two polymeric layers has compatibility preferably with the material that is used to make said medium substrate.
Preferably, the material that is used to make said two polymeric layers has lower dielectric constant with the material that is used to make said medium substrate.
Preferably, the material that is used to make said two polymeric layers is with a kind of low-loss polymer with the material that is used to make said medium substrate.
Preferably, said medium substrate is to be processed by thermoplastic polymer, enhancing polymer, high density polymer, low-density polymeric or many skies property material.
A kind of radome; Be used to be covered with antenna with the protection antenna; Said radome is processed by ultra material, and said ultra material comprises that medium substrate and two that one or two surface all is placed with a plurality of artificial micro-structurals that are separated from each other is bonded in two surfaces of said medium substrate respectively, is used to cover the polymeric layer of artificial micro-structural.
The radome that the manufacturing approach of ultra material of the present invention and the ultra material that utilizes this method to make are processed has following beneficial effect: because the artificial micro-structural of said ultra material is protected by said two polymeric layers; Not only can avoid said artificial micro-structural to receive ectocine and peel off coming off and wearing and tearing; Do not cause the electromagnetic performance of said ultra material to become unstable; And each layer of said ultra material closely stick together, and the compact texture of being integrally formed also has the favorable mechanical performance.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below.
Fig. 1 is the flow chart of first embodiment of ultra material manufacturing method of the present invention;
Fig. 2 is the STRUCTURE DECOMPOSITION sketch map that utilizes the ultra material that the method among Fig. 1 makes;
Fig. 3 is the enlarged diagram of a ultra material cell of the present invention;
Fig. 4 is the first pass figure of second embodiment of ultra material manufacturing method of the present invention;
Fig. 5 is second flow chart of second embodiment of ultra material manufacturing method of the present invention;
Fig. 6 is the structural representation of the radome of being processed by ultra material of the present invention.
The name that each label is corresponding among the figure is called:
10 medium substrates, 12 artificial micro-structurals, 14 surpass material cell, 20 polymeric layers, 30 surpass material, 40 radomes, 50 emission sources
Embodiment
As depicted in figs. 1 and 2, be the ultra material manufacturing method of the first embodiment of the present invention and the ultra material that utilizes this method to make, this method may further comprise the steps:
Step 101: a medium substrate 10 is provided, and two surfaces of said medium substrate 10 all are placed with a plurality of artificial micro-structurals 12 that are separated from each other.
Step 103: two polymeric layers 20 are provided, said two polymeric layers 20 are bonded in two surfaces of said medium substrate 10 respectively, covering the artificial micro-structural 12 of respective surfaces, thus the ultra material 30 of being integrally formed.
Please continue with reference to figure 3; Per two artificial micro-structurals 12 of 10 liang of surperficial correspondence positions of said medium substrate form a pair of; We with every pair of artificial micro-structural 12 and the place medium substrate 10 part people for being defined as a ultra material cell 14; The physical dimension of each ultra material cell 14 is preferably 1/10th less than 1/5th of the electromagnetic wavelength of required response.It is thus clear that the physical dimension of every pair of artificial micro-structural 12 should belong to the same order of magnitude with the physical dimension of said ultra material cell 14.Time reflection is little, how also loss is little in transmission in order to make that electromagnetic wave passes ultra material; We can come constantly to regulate the geometry and the size of the artificial micro-structural 12 on the said ultra material cell 14 earlier at the electromagnetic wavelength that responds as required on computer analog software such as CTM, HFSS or the COMSOL; And measurement has 14 pairs of electromagnetic reflections of these ultra material cell and transmission respectively; Select ultra material cell 14 little to reflection of electromagnetic wave, that transmission is many, and make the ultra material 30 of required electromagnetic performance in view of the above.Artificial micro-structural 12 shown in the figure is the open annular patterns that are made up of wire such as copper wire or filamentary silver.
Because the artificial micro-structural 12 of said ultra material 30 is capped on the polymeric layer 20 of said medium substrate 10 and protects; And said ultra material 30 has incorporate compact texture; Like this; Not only can guarantee the stable electrical magnetic property of said ultra material 30, and said ultra material 30 also has the favorable mechanical performance.
As shown in Figure 4, be the ultra material manufacturing method of the second embodiment of the present invention, this method may further comprise the steps:
Step 201: a medium substrate 10 is provided, and two surfaces of said medium substrate 10 all are placed with a plurality of artificial micro-structurals 12 that are separated from each other.Said medium substrate 10 can be processed by thermoplastic polymer, enhancing polymer, high density polymer, low-density polymeric or porous material.The artificial micro-structural 12 of adhering on the said medium substrate 10 forms through following method: on two surfaces of said medium substrate 10, apply metal forming respectively; Said metal forming is carried out processed to form a plurality of metal micro structures that are separated from each other, and also is artificial micro-structural 12.Generally, said artificial micro-structural 12 is two surfaces that periodically are arranged in said medium substrate 10, and per two artificial micro-structurals 12 of correspondence position form a pair of on 10 liang of surfaces of said medium substrate.In the present embodiment; Said medium substrate 10 is to be processed by the low-loss material that has than low-k, and like polymer, and said metal forming is on two surfaces of said medium substrate 10, to form said a plurality of metal micro structures that are separated from each other through etched mode; And the metal micro structure that correspondence position is gone up on two surfaces of said medium substrate 10 is different; Such as the open annular pattern in the present embodiment, the opening of the open annular pattern of correspondence position is opposite on two surfaces of said medium substrate 10, also is; Every pair of artificial micro-structural 12 has with a kind of pattern and big or small identical, and only its placement orientation is opposite.In other embodiments; The artificial micro-structural 12 of correspondence position also can be the pattern with other shapes on 10 liang of surfaces of said medium substrate; Every pair of artificial micro-structural 12 can have geometry and/or the size that has nothing in common with each other, and said medium substrate 10 also can be to be processed by the porous material with mechanical performances such as strong resistance to compressions.
Step 203: two polymeric layers 20 are provided.The material that is used to make said two polymeric layers 20 should have compatibility preferably with the material that is used to make said medium substrate 10.The ultra material little in order to obtain, that loss is low to reflection of electromagnetic wave; We can let the material that is used to make said medium substrate 10 and the material that is used to make said two polymeric layers 20 all have lower dielectric constant and lower electromagnetic consumable; Such as, material that is used to make said medium substrate 10 and the material that is used to make said two polymeric layers 20 is to have lower dielectric constant and than the polymer of lower electromagnetic loss with a kind of.
Step 205: surface treatment is carried out on the surface to said medium substrate 10 and said two polymeric layers 20, to increase the cohesiveness between them.Such as dust removal process etc. is cleaned on its surface.
Step 207: said two polymeric layers 20 are bonded in two surfaces of said medium substrate 10 respectively, to cover the artificial micro-structural 12 of respective surfaces, the i.e. ultra material 30 of being integrally formed.As shown in Figure 5, said step 207 comprises:
Substep 2071: said two polymeric layers 20 are heated, and heating-up temperature is lower than the vitrification point of the material that is used to make said two polymeric layers 20, needs, can be at the surface applied binding agent of said medium substrate 10 and said two polymeric layers 20; Substep 2073: two surfaces and the pressurization that said two polymeric layers 20 are covered in said medium substrate 10 respectively.But attention: institute's plus-pressure should be as the criterion not make said two polymeric layers 20 produce distortion, if said two polymeric layers 20 do not need external force just can be bonded in said medium substrate 10, not working pressure well; Substep 2075: said two polymeric layers 20 are carried out cooling curing.
Thereby make said two polymeric layers 20 be covered in two surfaces of said medium substrate 10, said artificial micro-structural 12 is protected, and form ultra material 30 with integrated compact texture.The ultra material 30 that utilizes second embodiment of ultra material manufacturing method of the present invention to make comprises that medium substrate 10 and two that one or two surface is placed with a plurality of artificial micro-structurals 12 that are separated from each other respectively is bonded in two surfaces of said medium substrate 10 respectively, is used to cover the polymeric layer 20 of said artificial micro-structural 12.
Like this; Not only can avoid said artificial micro-structural 12 to come off and wear and tear owing to peeled off by extraneous influence moist, collision; Cause the electromagnetic performance of said ultra material 30 to become unstable; And each layer of said ultra material 30 closely stick together, and the compact texture of being integrally formed has the favorable mechanical performance.
As shown in Figure 5, for radome 40 of the present invention, be used to protect antenna, like the emission source 50 among the figure.Said radome 40 is processed by the ultra material that utilizes above method to make.Radome 40 shown in Fig. 4 is curved shape, and it forms through the plate ultra material of hot pressing.In fact, we also can be stitched together the plate ultra material of polylith, thereby form the radome 40 with different shape.When the crushing resistance of the said radome 40 of needs is good; The ultra material that can adopt first and second embodiment by ultra material manufacturing method of the present invention to make is made radome; Also promptly let said medium substrate 10 adopt porous material, as have the composite material of honeycomb.Like this, the radome of being processed by said ultra material 40 not only can keep stable electromagnetic performance, and can resist the harmful effect like abominable external environment such as humidity, acid rain, high temperature, high pressure.In addition,, can the ultra material of multi-disc be superimposed the mechanical strength of enhance antenna cover 40, make it more sturdy and durable according to the situation of said radome 40 needs load-bearing.Certainly the thickness that also will consider simultaneously said radome 40 increases later on influences such as electromagnetic losses.
The above only is some embodiments of the present invention and/or embodiment, should not be construed as limiting the invention.For those skilled in the art, under the prerequisite that does not break away from basic thought of the present invention, can also make some improvement and retouching, and these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. the manufacturing approach of a ultra material is characterized in that, said method comprising the steps of:
One medium substrate is provided, and two surfaces of said medium substrate all are placed with a plurality of artificial micro-structurals that are separated from each other;
Two polymeric layers are provided, said two polymeric layers are bonded in two surfaces of said medium substrate respectively, covering the artificial micro-structural of respective surfaces, thus the ultra material of being integrally formed.
2. the manufacturing approach of ultra material according to claim 1; It is characterized in that; Before said two polymeric layers are bonded in two surfaces of said medium substrate; Also comprise the surface-treated step is carried out on the surface of said medium substrate and said two polymeric layers, to increase the cohesiveness between them.
3. the manufacturing approach of ultra material according to claim 1; It is characterized in that; In the step on two surfaces that said two polymeric layers are bonded in said medium substrate respectively, comprise: said two polymeric layers are heated, and heating-up temperature is lower than the vitrification point of the material that is used to make said two polymeric layers; Also pressurize in two surfaces that said two polymeric layers are covered in said medium substrate respectively, and institute's plus-pressure is as the criterion so that said two polymeric layers are deformed; Said two polymeric layers are carried out cooling curing.
4. the manufacturing approach of ultra material according to claim 1 is characterized in that, the artificial micro-structural of adhering on the said medium substrate forms through following method: difference metallisation paper tinsel on two surfaces of said medium substrate; Said metal forming is carried out processed to form a plurality of metal micro structures that are separated from each other.
5. the manufacturing approach of ultra material according to claim 4 is characterized in that, the artificial micro-structural that is attached to said medium substrate two surfaces is different.
6. the manufacturing approach of ultra material according to claim 1 is characterized in that, the material that is used to make said two polymeric layers has compatibility preferably with the material that is used to make said medium substrate.
7. the manufacturing approach of ultra material according to claim 6 is characterized in that, the material that is used to make said two polymeric layers has lower dielectric constant with the material that is used to make said medium substrate.
8. the manufacturing approach of ultra material according to claim 7 is characterized in that, the material that is used to make said two polymeric layers is with a kind of low-loss polymer with the material that is used to make said medium substrate.
9. the manufacturing approach of ultra material according to claim 1 is characterized in that, said medium substrate is to be processed by thermoplastic polymer, enhancing polymer, high density polymer, low-density polymeric or porous material.
10. a radome is used to be covered with antenna with the protection antenna, it is characterized in that said radome is to be processed by the ultra material that utilizes method any in the claim 1 to 9 to make.
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| CN201210050525.7A CN102709703B (en) | 2012-02-29 | 2012-02-29 | Manufacturing method of metamaterials and antenna housing made of metamaterials |
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| CN201210050525.7A CN102709703B (en) | 2012-02-29 | 2012-02-29 | Manufacturing method of metamaterials and antenna housing made of metamaterials |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102963071A (en) * | 2012-11-21 | 2013-03-13 | 深圳光启创新技术有限公司 | Composite board, metamaterial and preparation methods |
| CN102963072A (en) * | 2012-11-21 | 2013-03-13 | 深圳光启创新技术有限公司 | Composite board, metamaterial and preparation methods |
| CN102963069A (en) * | 2012-11-21 | 2013-03-13 | 深圳光启创新技术有限公司 | Composite board, metamaterial and preparation methods |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963071A (en) * | 2012-11-21 | 2013-03-13 | 深圳光启创新技术有限公司 | Composite board, metamaterial and preparation methods |
| CN102963072A (en) * | 2012-11-21 | 2013-03-13 | 深圳光启创新技术有限公司 | Composite board, metamaterial and preparation methods |
| CN102963069A (en) * | 2012-11-21 | 2013-03-13 | 深圳光启创新技术有限公司 | Composite board, metamaterial and preparation methods |
| CN102963072B (en) * | 2012-11-21 | 2014-02-19 | 深圳光启创新技术有限公司 | Composite plate, metamaterial and preparation method thereof |
| CN102963069B (en) * | 2012-11-21 | 2014-02-19 | 深圳光启创新技术有限公司 | Composite plate, metamaterial and preparation method thereof |
| CN102963071B (en) * | 2012-11-21 | 2014-02-19 | 深圳光启创新技术有限公司 | Composite plate, metamaterial and preparation method thereof |
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| CN102709703B (en) | 2015-05-27 |
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Effective date of registration: 20210416 Address after: 518057 2 / F, software building, No.9, Gaoxin Middle Road, Nanshan District, Shenzhen, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518034. A, 18B, CIC international business center, 1061 Mei Xiang Road, Shenzhen, Guangdong, Futian District Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |