CN103199346A - Metamaterial with high dielectric constant - Google Patents
Metamaterial with high dielectric constant Download PDFInfo
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- CN103199346A CN103199346A CN2011101085624A CN201110108562A CN103199346A CN 103199346 A CN103199346 A CN 103199346A CN 2011101085624 A CN2011101085624 A CN 2011101085624A CN 201110108562 A CN201110108562 A CN 201110108562A CN 103199346 A CN103199346 A CN 103199346A
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Abstract
The invention relates to metamaterial with a high dielectric constant. The metamaterial with the high dielectric constant comprises base materials and an artificial microstructure attached to the base materials. The artificial microstructure comprises a first metal wire, a second metal wire and a third metal wire, wherein the first metal wire and the second metal wire are mutually parallel, the third metal wire is bended into two side-by-side wire segments and a certain point in the middle of the third metal wire serves as a bending point, the two wire segments are wound to form two parallel spiral wires from the position of the bending point from inside to outside, a free end of one spiral wire is connected with the first metal wire, and a free end of the other spiral wire is connected with the second metal wire. The dielectric constant of the metamaterial with the artificial microstructure is greatly improved, the metamaterial with the high dielectric constant can be used in the fields of antenna manufacturing and semiconductor manufacturing and the like, and due to the fact that the technical scheme overcomes the defect that a dielectric constant in a unit volume is limited in the prior art, immeasurable effects to miniaturized production of microwave devices are generated.
Description
Technical field
The present invention relates to super material field, more particularly, relate to a kind of super material with high-k.
Background technology
Dielectric constant be material to a parameter of electric field response, material can produce charge inducing and weaken electric field when extra electric field, the ratio of electric field is dielectric constant in the extra electric field in the former vacuum and the final material.
Occurring in nature, any material have its specific dielectric constant values or dielectric constant curve under given conditions.The higher material of dielectric constant is placed in the electric field, and the intensity of field can have considerable decline in dielectric substance.The material that dielectric constant is high as dielectric insulator, is commonly used to make electric capacity.And in high dielectric constant material, electromagnetic wavelength is very short, can dwindle the size of radio frequency and microwave device greatly.
Along with technology development with rapid changepl. never-ending changes and improvements, people are more and more higher to the application requirements of material, in some occasion, needed dielectric constant values is far above the dielectric constant values of the existing material of nature, the higher dielectric insulator of existing dielectric constant can not reach requirement, and this will cause bottleneck for technology and research and development of products.In fact, the material of Cun Zaiing all is difficult to realize this requirement naturally, and therefore, people turn to made super material, in the hope of realizing above-mentioned technical purpose.
Super material is a kind of artificial composite structure material with the not available extraordinary physical property of natural material, by the orderly arrangement to micro-structural, has changed relative dielectric constant and magnetic permeability in the space at every.Super material can be realized dielectric constant and the magnetic permeability that common material can't possess within the specific limits, thereby can effectively control the electromagnetic wave propagation characteristic.
Super material comprises artificial micro-structural and the accompanying base material of artificial micro-structural that is made of the metal wire with certain pattern form.A plurality of artificial micro-structurals array arrangement on base material, base material is played a supporting role to artificial micro-structural, can be the different material of any and artificial micro-structural.The stack meeting of these two kinds of materials produces an effective dielectric constant and magnetic permeability in the space, these two physical parameters are corresponding respectively electric field response and the magnetic responsiveness of material monolithic.Super material is determined by artificial features of microstructures the feature of electromagnetic response, and the electromagnetic response of artificial micro-structural depends on topological characteristic and super material cell size that the pattern of its metal wire has to a great extent.Super material cell size depends on the wave frequency that artificial micro-structural need respond, common artificial micro-structural be of a size of required response electromagnetic wavelength 1/10th, otherwise can not be regarded as in the space continuously by being arranged in of forming of artificial micro-structural in the space.
Usually the dielectric constant that adopts the artificial micro-structural of " I " shape as shown in Figure 1 to go to change in the space in the super manufacture of materials technology distributes at present.In the artificial micro-structural of " I " shape to changing the active sheet metal vertical in the middle of being of dielectric constant, according to super properties of materials as can be known super material can regard as to be arranged by the base material cell array of adhering to artificial micro-structural and form, the size of single base material unit be generally electromagnetic wavelength 1/5th to 1/10th between.What therefore the size of the vertical metal wire in centre of the artificial micro-structural of " I " shape changed in limited space is limited in scope, so the changeable scope of dielectric constant also is limited.
Summary of the invention
The technical problem to be solved in the present invention is, at the defective of prior art, provides a kind of super material with high-k.
The technical solution adopted for the present invention to solve the technical problems is: a kind of super material with high-k, comprise base material and the artificial micro-structural that is attached on the described base material, described artificial micro-structural comprises first metal wire and second metal wire that is parallel to each other, also comprise the 3rd metal wire, the 3rd metal wire is that the inflection point is bent into two sections parallel line segments a bit with certain of centre, these two sections line segments curl up from inside to outside from the inflection point and form two parallel helixes, wherein, the free end of a helix links to each other with described first metal wire, the free end of another helix links to each other with described second metal wire.
In preferred implementation of the present invention, described helix from inner ring to the outer ring dextrorotation around.
In preferred implementation of the present invention, described helix curls up from the inner ring to the outer ring counterclockwise.
In preferred implementation of the present invention, the number of turns of described helix is greater than 2.
In preferred implementation of the present invention, described base material is divided into a plurality of identical cube base material unit, is attached with a described artificial micro-structural on each base material unit.
In preferred implementation of the present invention, described helix is square spiral.
In preferred implementation of the present invention, described helix is the round screw thread line.
In preferred implementation of the present invention, described helix is the triangle helix.
In preferred implementation of the present invention, described artificial micro-structural by etching, plating, brill quarter, photoetching, electronics is carved or ion is carved and is attached on the described base material.
In preferred implementation of the present invention, described base material is the ceramic material with high-k.
Implement the present invention and have following beneficial effect: the present invention arranges by the intermetallic metal line in the existing artificial micro-structural of " I " shape of change, by being configured in two parallel helical structures that the inflection point is connected, increased the length of metal wire, through emulation, the result shows, on a band frequency of non-constant width, the dielectric constant of super material with this artificial micro-structural is very steady, and compare with the super material with the artificial micro-structural of " I " shape, dielectric constant and refractive index have raising very significantly.The super material of this high-k can be applied in fields such as antenna manufacturing and semiconductor manufacturing, and this technical scheme has been owing to broken through in the prior art the limited defective of dielectric constant in the unit volume, the miniaturization of microwave device produced also can produce immeasurable effect.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic diagram of the artificial micro-structural of " I " shape in the prior art;
Fig. 2 is the structural representation of first kind of artificial micro-structural proposing of the present invention;
Fig. 3 is the structural representation that comprises the super material of first kind of artificial micro-structural;
Fig. 4 is the structural representation of second kind of artificial micro-structural proposing of the present invention;
Fig. 5 is the structural representation that comprises the super material of second kind of artificial micro-structural;
Fig. 6 is the structural representation of the third artificial micro-structural of proposing of the present invention;
Fig. 7 is the structural representation that comprises the super material of the third artificial micro-structural;
Fig. 8 is the structural representation of the 4th kind of artificial micro-structural proposing of the present invention;
Fig. 9 is the structural representation that comprises the super material of the 4th kind of artificial micro-structural;
Figure 10 is the structural representation of the 5th kind of artificial micro-structural proposing of the present invention;
Figure 11 is the structural representation that comprises the super material of the 5th kind of artificial micro-structural;
Figure 12 is the structural representation of the 6th kind of artificial micro-structural proposing of the present invention;
Figure 13 is the structural representation that comprises the super material of the 6th kind of artificial micro-structural.
Embodiment
The invention provides a kind of novel super material, with respect to existing super material, by changing the dielectric constant that the topology of artificial micro-structural has wherein improved super material.
As shown in Figure 3, super material comprises the substrate 1 of at least one even uniform thickness, if there is 1 substrate of polylith substrate 1 to stack gradually along the direction (z direction of principal axis) perpendicular to base plan, and by assembling or between per two substrates 1, fill the material liquid raw substrate for example to connect the two, it is bonding with existing two substrates 1 after curing, thereby makes polylith substrate 1 constitute an integral body.Substrate 1 can be made of high dielectric constant ceramic materials such as FR-4, F4b, CEM1, CEM3 or TP-1.
Every substrate 1 is divided into a plurality of identical cube base material unit that are close to mutually virtually, and these base material unit are row, are leu time array arrangement with vertical with it y direction of principal axis with the x direction of principal axis.The length of side of base material unit be generally the incident electromagnetic wave wavelength 1/5th to 1/10th between.Be attached with an artificial micro-structural 2 on each base material unit, super material cell 3 of artificial micro-structural 2 common formations on base material unit and the base material unit, as shown in Figure 3, super material of the present invention can be regarded as by a plurality of super material cell 3 and forms along x, y, three direction array arrangements of z.
Artificial micro-structural 2 be generally metal wire for example copper cash or silver-colored line form have certain geometric plane or a stereochemical structure, wherein, metal wire can be that section is the copper cash of cylindric or flat, silver-colored line etc., and the section of metal wire also can be other shapes.As shown in Figure 2, in the present embodiment, artificial micro-structural comprises first metal wire 21 and second metal wire 22 that is parallel to each other, also comprise the 3rd metal wire BAC, the 3rd metal wire BAC is that the inflection point is bent into parallel two sections line segment AB and AC with certain 1 A of centre, these two sections line segments are curled up in a clockwise direction to the outer ring by inner ring from inflection point A and form two parallel square spiral 23 and 24, wherein, the free end B of a helix 23 links to each other with described first metal wire 21, the free end C of another helix 24 links to each other with described second metal wire 22.
Artificial micro-structural can also be as shown in Figure 4, is with the difference of artificial micro-structural shown in Figure 2: the 3rd metal wire forms two parallel square spiral to the outer ring counterclockwise to curl up from the inflection point by inner ring from two sections line segments that certain point of centre is bent into.Adopt the super material of artificial micro-structural shown in Figure 4 as shown in Figure 5.
Artificial micro-structural can also be as shown in Figure 6, is with the difference of artificial micro-structural shown in Figure 2: two sections line segments that the 3rd metal wire is bent into from certain point of centre are curled up in a clockwise direction to the outer ring by inner ring from the inflection point and form two parallel round screw thread lines.Adopt the super material of artificial micro-structural shown in Figure 6 as shown in Figure 7.
Artificial micro-structural can also be as shown in Figure 8, is with the difference of artificial micro-structural shown in Figure 6: the 3rd metal wire forms two parallel round screw thread lines to the outer ring counterclockwise to curl up from the inflection point by inner ring from two sections line segments that certain point of centre is bent into.Adopt the super material of artificial micro-structural shown in Figure 8 as shown in Figure 9.
Artificial micro-structural can also be as shown in figure 10, is with the difference of artificial micro-structural shown in Figure 2: two sections line segments that the 3rd metal wire is bent into from certain point of centre are curled up in a clockwise direction to the outer ring by inner ring from the inflection point and form two parallel triangle helixes.Adopt the super material of artificial micro-structural shown in Figure 10 as shown in figure 11.
Artificial micro-structural can also be as shown in figure 12, is with the difference of artificial micro-structural shown in Figure 2: the 3rd metal wire forms two parallel triangle helixes to the outer ring counterclockwise to curl up from the inflection point by inner ring from two sections line segments that certain point of centre is bent into.Adopt the super material of artificial micro-structural shown in Figure 12 as shown in figure 13.
Therefore; 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; do not breaking away under the scope situation that aim of the present invention and claim protect; also can make a lot of forms; can curl up ovalisation or irregular shape such as helix, base material also can be macromolecular material, ferroelectric material, ferrite material or ferromagnetic material etc.These all belong within the protection of the present invention.
Claims (10)
1. super material with high-k, it is characterized in that, comprise base material and the artificial micro-structural that is attached on the described base material, described artificial micro-structural comprises first metal wire and second metal wire that is parallel to each other, also comprise the 3rd metal wire, the 3rd metal wire is that the inflection point is bent into two sections parallel line segments a bit with certain of centre, these two sections line segments curl up from inside to outside from the inflection point and form two parallel helixes, wherein, the free end of a helix links to each other with described first metal wire, the free end of another helix links to each other with described second metal wire.
2. the super material with high-k according to claim 1 is characterized in that, described helix from inner ring to the outer ring dextrorotation around.
3. the super material with high-k according to claim 1 is characterized in that described helix curls up counterclockwise from the inner ring to the outer ring.
4. according to claim 2 or 3 described super materials with high-k, it is characterized in that the number of turns of described helix is greater than 2.
5. the super material with high-k according to claim 4 is characterized in that, described base material is divided into a plurality of identical cube base material unit, is attached with a described artificial micro-structural on each base material unit.
6. the super material with high-k according to claim 5 is characterized in that, described helix is square spiral.
7. the super material with high-k according to claim 5 is characterized in that, described helix is the round screw thread line
8. the super material with high-k according to claim 5 is characterized in that, described helix is the triangle helix.
9. the super material with high-k according to claim 5 is characterized in that, described artificial micro-structural by etching, plating, brill quarter, photoetching, electronics is carved or ion is carved and is attached on the described base material.
10. the super material with high-k according to claim 5 is characterized in that, described base material is the ceramic material with high-k.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110108562.4A CN103199346B (en) | 2011-04-28 | 2011-04-28 | Metamaterial with high dielectric constant |
| EP11859648.5A EP2544306B1 (en) | 2011-03-15 | 2011-10-27 | Artificial microstructure and artificial electromagnetic material using same |
| US13/583,908 US9041481B2 (en) | 2011-03-15 | 2011-10-27 | Artificial microstructure and artificial electromagnetic material using the same |
| PCT/CN2011/081374 WO2012122804A1 (en) | 2011-03-15 | 2011-10-27 | Artificial microstructure and artificial electromagnetic material using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110108562.4A CN103199346B (en) | 2011-04-28 | 2011-04-28 | Metamaterial with high dielectric constant |
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| Publication Number | Publication Date |
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| CN103199346A true CN103199346A (en) | 2013-07-10 |
| CN103199346B CN103199346B (en) | 2015-02-04 |
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| CN201110108562.4A Active CN103199346B (en) | 2011-03-15 | 2011-04-28 | Metamaterial with high dielectric constant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216931A (en) * | 2018-08-31 | 2019-01-15 | 西安电子科技大学 | Miniaturization low section frequency-selective surfaces based on nested curved structure |
| CN109638469A (en) * | 2018-12-14 | 2019-04-16 | 北京无线电测量研究所 | A kind of reflector element and reflectarray antenna of internal load phase minor matters |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2870195Y (en) * | 2005-08-19 | 2007-02-14 | 李宏强 | Frequency selection device |
| CN101587990A (en) * | 2009-07-01 | 2009-11-25 | 东南大学 | Broad band cylindrical lens antenna based on artificial electromagnetic materials |
| US20100264524A1 (en) * | 2006-06-13 | 2010-10-21 | Samsung Electronics Co., Ltd. | Substrate for semiconductor package |
-
2011
- 2011-04-28 CN CN201110108562.4A patent/CN103199346B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2870195Y (en) * | 2005-08-19 | 2007-02-14 | 李宏强 | Frequency selection device |
| US20100264524A1 (en) * | 2006-06-13 | 2010-10-21 | Samsung Electronics Co., Ltd. | Substrate for semiconductor package |
| CN101587990A (en) * | 2009-07-01 | 2009-11-25 | 东南大学 | Broad band cylindrical lens antenna based on artificial electromagnetic materials |
Non-Patent Citations (1)
| Title |
|---|
| RADU MALUREANU 等: "Transmission and Reflection Properties of Terahertz Fractal Metamaterials", 《LASERS AND ELECTRO-OPTICS AND QUANTUM ELECTRONICS AND LASER SCIENCE CONFERENCE》, 21 May 2010 (2010-05-21) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216931A (en) * | 2018-08-31 | 2019-01-15 | 西安电子科技大学 | Miniaturization low section frequency-selective surfaces based on nested curved structure |
| CN109638469A (en) * | 2018-12-14 | 2019-04-16 | 北京无线电测量研究所 | A kind of reflector element and reflectarray antenna of internal load phase minor matters |
| CN109638469B (en) * | 2018-12-14 | 2020-10-30 | 北京无线电测量研究所 | Reflection unit internally loaded with phase branches and reflection array antenna |
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| CN103199346B (en) | 2015-02-04 |
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