CN103296412A - Metamaterial antenna housing - Google Patents
Metamaterial antenna housing Download PDFInfo
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- CN103296412A CN103296412A CN 201210051067 CN201210051067A CN103296412A CN 103296412 A CN103296412 A CN 103296412A CN 201210051067 CN201210051067 CN 201210051067 CN 201210051067 A CN201210051067 A CN 201210051067A CN 103296412 A CN103296412 A CN 103296412A
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Abstract
The invention relates to a metamaterial antenna housing which comprises at least one metamaterial sheet layer. The metamaterial sheet layer comprises a first substrate and a second substrate, wherein the first substrate and the second substrate are arranged in an opposite mode, and a plurality of artificial microstructures which are arranged in an array mode are arranged between the first substrate and the second substrate in a clamped mode. Each artificial microstructure is of a plane snowflake shape, each artificial microstructure comprises a first metal wire and a second metal wire, wherein each first metal wire and each second metal wire are perpendicular to each other in an equally-divided mode, each first metal wire and each second metal wire are the same in length, a first bent portion and a second bent portion are arranged on the two sides of a perpendicularly-and-equally divided point of each metal wire respectively, each first bent portion and each second bent portion are different in size, each half metal wire arranged on one side of each perpendicularly-and-equally divided point rotates around each perpendicularly-and-equally divided point by 180 degrees, and coincides with each half metal wire on the other side, the length of each first metal branch and the length of each second metal branch are 0.6mm, and the separation distance separation between every two adjacent artificial microstructures is 1mm. Needed electromagnetic response can be obtained by the metamaterial antenna housing by attaching the artificial microstructures with specific shapes to the substrates, wave-transparent performance of the antenna housing ca be improved, and capacity of resisting disturbance of the antenna housing can be improved.
Description
Technical field
The present invention relates to radome, more particularly, relate to a kind of super material radome.
Background technology
Super material is commonly called as super material, is a kind of novel artificial synthetic material, is the substrate of being made by nonmetallic materials and is attached on the substrate surface or a plurality of artificial micro-structural that is embedded in substrate inside constitutes.Substrate can be divided into a plurality of base board units that rectangular array is arranged virtually, be attached with artificial micro-structural on each base board unit, thereby form a super material cell, whole super material is made up of a lot of so super material cell, just as crystal is to be made of according to certain arranging countless lattices.Artificial micro-structural on each super material cell can be identical or incomplete same.Artificial micro-structural has certain geometric plane or a stereochemical structure by what wire was formed, for example forms annular, I-shaped wire etc.
Because the existence of artificial micro-structural, each super material cell has the electromagnetic property that is different from substrate itself, so the super material that all super material cell constitute presents special response characteristic to electric field and magnetic field; By concrete structure and the shape different to artificial microstructure design, can change the response characteristic of whole super material.
Present radome uses conventional material usually, and such as fiberglass etc., wave penetrate capability is not too high, and in adverse circumstances, antijamming capability is relatively poor, and frequency band is narrower.
Summary of the invention
The technical problem to be solved in the present invention is, at the defective that above-mentioned wave penetrate capability is not high, antijamming capability is relatively poor, frequency band is narrower of prior art, provides a kind of super material radome.
The technical solution adopted for the present invention to solve the technical problems is: comprise at least one super sheet of material, each super sheet of material comprises first substrate and second substrate that is oppositely arranged, and is folded with a plurality of artificial micro-structural of array arrangement between first substrate and second substrate;
Described artificial micro-structural is the plane flakes, described artificial micro-structural has first metal wire and second metal wire of vertically dividing equally mutually, described first metal wire is identical with the length of second metal wire, each metal wire has two first kink and second kinks that size is different respectively in the both sides of vertical bisecting point, and half metal line that is positioned at vertical bisecting point one side overlaps with half metal line of opposite side behind this vertical bisecting point Rotate 180 degree; Wherein the length of the first metal branch and the second metal branch is 0.6mm, and is spaced apart 1mm between each micro-structural.
In radome of the present invention, described first kink and second kink are the right angle.
In radome of the present invention, the described first metal wire two ends are connected with two first metal branches of equal length, and the described first metal wire two ends are connected on the mid point of two first metal branches; The described second metal wire two ends are connected with two second metal branches of equal length, and the described second metal wire two ends are connected on the mid point of two second metal branches, the equal in length of the described first metal branch and the second metal branch.
In radome of the present invention, described artificial micro-structural is attached to respectively on first substrate or second substrate by etching, plating, brill quarter, photoetching, electronics is carved or ion is carved method.
In radome of the present invention, the thickness of described super sheet of material is 0.418mm, and wherein, the thickness of first substrate and second substrate is 0.2mm, and the thickness of a plurality of first artificial micro-structurals is 0.018mm.
In radome of the present invention, described substrate is made by the F4B composite material.
In radome of the present invention, described artificial micro-structural is made by copper cash or silver-colored line.
In radome of the present invention, the live width of described first metal wire and second metal wire is 0.1mm.
In radome of the present invention, the length of described first kink is 1.5mm, and the distance of itself and the described first metal branch is 0.1mm.
In radome of the present invention, the length of described second kink is 1.1mm, and the distance of itself and the described first metal branch is 0.3mm.
Implement technical scheme of the present invention, has following beneficial effect: by adhere to the artificial micro-structural of given shape at substrate, obtain the electromagnetic response that needs, make wave penetrate capability enhancing based on the radome of super material, antijamming capability increases, and frequency band reaches more than the 3G.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation according to a super sheet of material of the super material radome of one embodiment of the invention;
Fig. 2 is the structural representation that is piled up the super material radome that forms by a plurality of super sheet of material shown in Figure 1;
Fig. 3 is the perspective diagram according to the super sheet of material of one embodiment of the invention;
Fig. 4 is the schematic diagram of artificial micro-structural;
Fig. 5 is the S parameter schematic diagram of super material radome.
Embodiment
The invention provides a kind of super material radome, comprise at least one super sheet of material 1, as depicted in figs. 1 and 2.Each super sheet of material 1 comprises two substrates that are oppositely arranged and is attached to the artificial micro-structural of the array arrangement between the two substrates.When super sheet of material 1 has when a plurality of, each super sheet of material 1 is along the direction stack perpendicular to lamella, and is assembled into one by mechanical connection, welding or bonding mode, as shown in Figure 2.
Fig. 3 shows the fractionation structural representation of super sheet of material.Comprise at least one super sheet of material 1, each super sheet of material 1 comprises the plate shape substrates of two identical even uniform thickness: the artificial micro-structural 30 that is attached with array arrangement on the surface of second substrate 20 of first substrate 10 that is oppositely arranged and second substrate, 20, the first substrates 10.
As shown in Figure 4, artificial micro-structural 30 is the plane flakes, artificial micro-structural 30 has first metal wire and second metal wire of vertically dividing equally mutually, first metal wire is identical with the length of second metal wire, each metal wire has two first kink and second kinks that size is different respectively in the both sides of vertical bisecting point, and half metal line that is positioned at vertical bisecting point one side overlaps with half metal line of opposite side behind this vertical bisecting point Rotate 180 degree.
In one embodiment of the present invention, first kink and second kink are the right angle.Interconnect by the filling liquid raw substrate or by assembling between first substrate 10 and second substrate 20.Artificial micro-structural 30 is attached on first substrate 10 by etched mode, certain artificial micro-structural 30 also can adopt plating, bores quarter, photoetching, electronics is carved or ion quarter etc. mode be attached on first substrate 10.Substrate adopts the FR-4 material, can certainly adopt other materials to make, and makes such as pottery, polytetrafluoroethylene, ferroelectric material, ferrite material or ferromagnetic material.Artificial micro-structural 30 adopts copper cash to make, and can certainly adopt electric conducting materials such as silver-colored line, ITO, graphite or carbon nano-tube to make.
Among Fig. 4, the first metal wire two ends are connected with two first metal branches of equal length, and the first metal wire two ends are connected on the mid point of two first metal branches; The second metal wire two ends are connected with two second metal branches of equal length, and the second metal wire two ends are connected on the mid point of two second metal branches, the equal in length of the first metal branch and the second metal branch.
In a preferred embodiment, the thickness of super sheet of material is 0.418mm, and wherein, the thickness of first substrate 10 and second substrate 20 is 0.2mm, and the thickness of a plurality of first artificial micro-structurals is 0.018mm.The live width of first metal wire and second metal wire is w=0.1mm.The length of the first metal branch and the second metal branch is a=0.6mm.The length of first kink is c=1.5mm, and the distance of itself and the first metal branch is b=0.1mm; The length of second kink is e=1.1mm, and the distance of itself and the first metal branch is 0.3mm.The distance of vertical bisecting point and second kink is f=1.8mm.Be spaced apart 1mm between each micro-structural 30.
The S parameter of the super material radome of present embodiment with the schematic diagram of frequency change as shown in Figure 5, as shown in Figure 5, in the 11.5-15GHz scope, saturating wave system is counted S21 close to 0, S21 is very little for reflection coefficient, the integral body of radome has good wave penetrate capability.
The present invention can use traditional high dielectric constant material, by regulating microstructure size, change relative dielectric constant, refractive index and the impedance of material, increase the transmission of incident electromagnetic wave to greatest extent, reduced traditional antenna and be covered with timing to the restriction of material low-k.Employing is printed metal micro structure at the F4B substrate, has reduced process complexity and running cost to a great extent.The present invention is by adhering to the artificial micro-structural of given shape at substrate, obtain the electromagnetic response that needs, makes that the wave penetrate capability based on the radome of super material strengthens the antijamming capability increase.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. a super material radome is characterized in that, comprises at least one super sheet of material, and each super sheet of material comprises first substrate and second substrate that is oppositely arranged, and is folded with a plurality of artificial micro-structural of array arrangement between first substrate and second substrate;
Described artificial micro-structural is the plane flakes, described artificial micro-structural has first metal wire and second metal wire of vertically dividing equally mutually, described first metal wire is identical with the length of second metal wire, each metal wire has two first kink and second kinks that size is different respectively in the both sides of vertical bisecting point, and half metal line that is positioned at vertical bisecting point one side overlaps with half metal line of opposite side behind this vertical bisecting point Rotate 180 degree; Wherein the length of the first metal branch and the second metal branch is 0.6mm, and is spaced apart 1mm between each micro-structural.
2. radome according to claim 1 is characterized in that, described first kink and second kink are the right angle.
3. radome according to claim 2 is characterized in that, the described first metal wire two ends are connected with two first metal branches of equal length, and the described first metal wire two ends are connected on the mid point of two first metal branches; The described second metal wire two ends are connected with two second metal branches of equal length, and the described second metal wire two ends are connected on the mid point of two second metal branches, the equal in length of the described first metal branch and the second metal branch.
4. radome according to claim 1 is characterized in that, described artificial micro-structural is attached to respectively on first substrate or second substrate by etching, plating, brill quarter, photoetching, electronics is carved or ion is carved method.
5. radome according to claim 1 is characterized in that, the thickness of described super sheet of material is 0.418mm, and wherein, the thickness of first substrate and second substrate is 0.2mm, and the thickness of a plurality of first artificial micro-structurals is 0.018mm.
6. radome according to claim 1 is characterized in that, described substrate is made by the F4B composite material.
7. according to the arbitrary described radome of claim 1 to 6, it is characterized in that described artificial micro-structural is made by copper cash or silver-colored line.
8. radome according to claim 1 is characterized in that, the live width of described first metal wire and second metal wire is 0.1mm.
9. radome according to claim 2 is characterized in that, the length of described first kink is 1.5mm, and the distance of itself and the described first metal branch is 0.1mm.
10. radome according to claim 9 is characterized in that, the length of described second kink is 1.1mm, and the distance of itself and the described first metal branch is 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210051067 CN103296412A (en) | 2012-02-29 | 2012-02-29 | Metamaterial antenna housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210051067 CN103296412A (en) | 2012-02-29 | 2012-02-29 | Metamaterial antenna housing |
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| Publication Number | Publication Date |
|---|---|
| CN103296412A true CN103296412A (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210051067 Pending CN103296412A (en) | 2012-02-29 | 2012-02-29 | Metamaterial antenna housing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598714A (en) * | 2018-04-26 | 2018-09-28 | 齐齐哈尔大学 | A kind of electromagnetic induced transparency metamaterial structure that polarization is unrelated |
-
2012
- 2012-02-29 CN CN 201210051067 patent/CN103296412A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598714A (en) * | 2018-04-26 | 2018-09-28 | 齐齐哈尔大学 | A kind of electromagnetic induced transparency metamaterial structure that polarization is unrelated |
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Application publication date: 20130911 |
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| RJ01 | Rejection of invention patent application after publication |