CN102800979A - Broadband artificial electromagnetic material - Google Patents
Broadband artificial electromagnetic material Download PDFInfo
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- CN102800979A CN102800979A CN2011101797084A CN201110179708A CN102800979A CN 102800979 A CN102800979 A CN 102800979A CN 2011101797084 A CN2011101797084 A CN 2011101797084A CN 201110179708 A CN201110179708 A CN 201110179708A CN 102800979 A CN102800979 A CN 102800979A
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- electromagnetic material
- artificial electromagnetic
- artificial
- annular structure
- structural
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention relates to a broadband artificial electromagnetic material, which comprises at least one base material and artificial micro structures attached to the base materials, wherein each artificial micro structure comprises an opening annular structure and an I-shaped structure partially embedded into the opening annular structure. By the artificial electromagnetic material with the structure, the refractive index is relatively large in a relatively wide frequency band range and is changed steadily; furthermore, the dielectric constant is gradually increased from zero within a certain frequency band; a requirement of a special occasion can be met, in particular the fields of semiconductor manufacturing, antenna manufacturing and the like; and the broadband artificial electromagnetic material has a wide application prospect.
Description
Technical field
The present invention relates to a kind of artificial electromagnetic material, more particularly, relate to a kind of wideband artificial electromagnetic material.
Background technology
Artificial electromagnetic material is commonly called as ultra material, is a kind of can the novel artificial synthetic material of electromagnetic wave generation response the composition by substrate with attached to the artificial micro-structural on the substrate.Plane with certain geometrical pattern or stereochemical structure that artificial micro-structural is made up of metal wire are for example formed annular, I-shaped metal wire etc.Artificial electromagnetic material can produce response to electromagnetic wave; Thereby make artificial electromagnetic material integral body embody the electromagnetic property that is different from substrate; For example DIELECTRIC CONSTANTS is different with magnetic permeability μ;
can know according to the refractive index formula, and refractive index n is also different.
The existing manual electromagnetic material, the artificial electromagnetic material that its artificial micro-structural is generally I-shaped, has this structure can only be realized smaller refractive index.
Summary of the invention
The technical problem that the present invention will solve is, to the above-mentioned defective of prior art, thereby the new artificial micro-structural of design realizes a kind of wideband artificial electromagnetic material, and this artificial electromagnetic material can realize in the frequency band of broad that high index and variation are more steady.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of wideband artificial electromagnetic material; Comprise base material and attached to the artificial micro-structural on the said base material, said artificial micro-structural comprises that an open annular structure and a part are nested in the inner I-shape construction of open annular structure.
In preferred implementation of the present invention, said artificial micro-structural also comprises at least one line segment that is connected with the middle connecting line of said I-shape construction.
In preferred implementation of the present invention, said line segment is divided equally by said I-shaped middle connecting line.
In preferred implementation of the present invention, said line segment is parallel to each other.
In preferred implementation of the present invention, have at least a line segment to be positioned at the outside of open annular structure in the said line segment.
In preferred implementation of the present invention, said open annular structure is a polygon.
In preferred implementation of the present invention, the kink of said open annular structure is an arc.
In preferred implementation of the present invention, said open annular structure is circular or oval.
In preferred implementation of the present invention, said artificial micro-structural is processed by copper cash or silver-colored line.
In preferred implementation of the present invention, said substrate is ceramic material, polytetrafluoroethylene, ferroelectric material, ferrite material, ferromagnetic material or FR-4.
The wideband artificial electromagnetic material of embodiment of the present invention; Have following beneficial effect: refractive index is big and change more steady in the frequency band range of broad; And dielectric constant increases by zero gradually in certain frequency range; Can satisfy the demand of special occasions, such as fields such as semiconductor manufacturing and antenna manufacturings.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of wideband artificial electromagnetic material of the present invention;
Fig. 2 to Fig. 7 is the possible structural representation of artificial micro-structural;
Fig. 8 is the refractive index characteristic curve chart of the artificial electromagnetic material of wideband shown in Fig. 1;
Fig. 9 is the dielectric constant performance diagram of the artificial electromagnetic material of wideband shown in Fig. 1.
Embodiment
Present embodiment provides a kind of wideband artificial electromagnetic material, and its structure is as shown in Figure 1, comprises at least one sheet of material, and when having a plurality of sheet of material, these sheet of material are along being stacked to together perpendicular to its surperficial direction.
Figure is shown in 1; This material comprises the sheet of material 1 of 3 even uniform thickness; Polylith sheet of material 1 stacks gradually along the direction (z direction of principal axis) perpendicular to base plan; Between per two block of material lamellas 1 through certain packaging technology for example weld, riveted joint, mode such as bonding becomes as a whole or through filling the for example liquid raw substrate of material that can connect the two, it is bonding with existing two sheet of material 1 after curing, thereby make integral body of polylith sheet of material 1 formation.
Each sheet of material 1 comprises substrate and attached to the artificial micro-structural on the substrate; Substrate is divided into a plurality of identical column base board units that are close to each other virtually, and these base board units are row, are leu time array arrangement with vertical with it y direction of principal axis with the x direction of principal axis.Material cell 2 of the common formation of artificial micro-structural on base board unit and the base board unit; As shown in Figure 1; The material of present embodiment can be regarded as by a plurality of material cell 2 and forms along x, y, three direction array arrangements of z; Wherein, artificial micro-structural can through etching, plating, brill quarter, photoetching, electronics is carved or ion quarter etc. mode be attached on the said base material.The material of artificial micro-structural is a metal wire, uses the copper cash of cross section as rectangle here, and certainly metal wire also can use other metal wires such as silver-colored line, and the cross section of metal wire also can be cylindric, flat or other shapes.The first artificial micro-structural 3 comprises that an opening rectangular configuration and a part are nested in the inner I-shape construction of open annular structure in the present embodiment; Also comprise many line segments of being divided equally by the middle connecting line of I-shape construction, said line segment is positioned at the inside of opening rectangular configuration.The part of certain said line segment also can be positioned at the outside of opening rectangular configuration; As shown in Figure 7; The length of said line segment can equate also can be unequal as shown in Figure 5; The kink of said open annular structure can be as shown in Figure 6 for arc, and open annular structure can be circular, oval or polygon such as Fig. 3 and shown in Figure 4.Fig. 8 is the refractive index characteristic curve of electromagnetic wave when passing through this wideband artificial electromagnetic material; Fig. 9 is the dielectric constant characteristic curve; (1GHz～6GHz) is more stable and greater than 6, can know at this frequency range internal loss very low by the dotted line of correspondence in the frequency range of broad can to know refractive index by Fig. 8; (7.6GHz～9.5GHz) dielectric constant increases by zero wideband artificial electromagnetic material gradually that can know this structure by Fig. 9 in certain band limits.
When we need use broadband properties or low-k characteristic in different frequency range, can realize through the size that changes artificial micro-structural.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than 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 distortion to artificial micro-structural, these all belong within the protection of the present invention.
Claims (10)
1. a wideband artificial electromagnetic material is characterized in that, comprises base material and attached to the artificial micro-structural on the said base material, and said artificial micro-structural comprises that an open annular structure and a part are nested in the inner I-shape construction of open annular structure.
2. wideband artificial electromagnetic material according to claim 1 is characterized in that: said artificial micro-structural also comprises at least one line segment that is connected with the middle connecting line of said I-shape construction.
3. wideband artificial electromagnetic material according to claim 2 is characterized in that: said line segment is divided equally by said I-shaped middle connecting line.
4. wideband artificial electromagnetic material according to claim 2 is characterized in that: said line segment is parallel to each other.
5. wideband artificial electromagnetic material according to claim 2 is characterized in that: have at least a line segment to be positioned at the outside of open annular structure in the said line segment.
6. according to the arbitrary described wideband artificial electromagnetic material of claim 1 to 5, it is characterized in that: said open annular structure is a polygon.
7. according to the arbitrary described wideband artificial electromagnetic material of claim 1 to 5, it is characterized in that: the kink of said open annular structure is an arc.
8. according to the arbitrary described wideband artificial electromagnetic material of claim 1 to 5, it is characterized in that: said open annular structure is for circular or oval.
9. according to the arbitrary described wideband artificial electromagnetic material of claim 1 to 5, it is characterized in that: said artificial micro-structural is processed by copper cash or silver-colored line.
10. according to the arbitrary described wideband artificial electromagnetic material of claim 1 to 5, it is characterized in that said substrate is ceramic material, polytetrafluoroethylene, ferroelectric material, ferrite material, ferromagnetic material or FR-4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110179708.4A CN102800979B (en) | 2011-06-29 | 2011-06-29 | Broadband artificial electromagnetic material |
| PCT/CN2011/081391 WO2013000222A1 (en) | 2011-06-29 | 2011-10-27 | Artificial microstructure and artificial electromagnetic material applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110179708.4A CN102800979B (en) | 2011-06-29 | 2011-06-29 | Broadband artificial electromagnetic material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102800979A true CN102800979A (en) | 2012-11-28 |
| CN102800979B CN102800979B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110179708.4A Active CN102800979B (en) | 2011-06-29 | 2011-06-29 | Broadband artificial electromagnetic material |
Country Status (2)
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| CN (1) | CN102800979B (en) |
| WO (1) | WO2013000222A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296446A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Metamaterial and MRI imaging strengthening device |
| CN105789877A (en) * | 2016-05-11 | 2016-07-20 | 中国人民解放军空军工程大学 | Four-beam microstrip transmission array antenna based on super-surface, and design method for four-beam microstrip transmission array antenna |
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| CN101389998A (en) * | 2004-07-23 | 2009-03-18 | 加利福尼亚大学董事会 | Metamaterials |
| WO2010026906A1 (en) * | 2008-09-03 | 2010-03-11 | 株式会社村田製作所 | Metamaterial |
| CN101702067A (en) * | 2009-10-29 | 2010-05-05 | 电子科技大学 | Terahertz plane adsorbing material |
| CN101919109A (en) * | 2007-02-07 | 2010-12-15 | 台湾积体电路制造股份有限公司 | Design method for transmission lines using meta-materials |
| CN102005637A (en) * | 2010-12-14 | 2011-04-06 | 哈尔滨工程大学 | Small microstrip antenna based on metamaterials |
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| CN100454658C (en) * | 2005-05-31 | 2009-01-21 | 西北工业大学 | Antenna of handset of containing material in negative magnetic permeability |
| US7525711B1 (en) * | 2005-08-31 | 2009-04-28 | The United States Of America As Represented By The Secretary Of The Navy | Actively tunable electromagnetic metamaterial |
| KR100928027B1 (en) * | 2007-12-14 | 2009-11-24 | 한국전자통신연구원 | Metamaterial structures with negative permittivity, permeability and refractive index |
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2011
- 2011-06-29 CN CN201110179708.4A patent/CN102800979B/en active Active
- 2011-10-27 WO PCT/CN2011/081391 patent/WO2013000222A1/en active Application Filing
Patent Citations (5)
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| CN101389998A (en) * | 2004-07-23 | 2009-03-18 | 加利福尼亚大学董事会 | Metamaterials |
| CN101919109A (en) * | 2007-02-07 | 2010-12-15 | 台湾积体电路制造股份有限公司 | Design method for transmission lines using meta-materials |
| WO2010026906A1 (en) * | 2008-09-03 | 2010-03-11 | 株式会社村田製作所 | Metamaterial |
| CN101702067A (en) * | 2009-10-29 | 2010-05-05 | 电子科技大学 | Terahertz plane adsorbing material |
| CN102005637A (en) * | 2010-12-14 | 2011-04-06 | 哈尔滨工程大学 | Small microstrip antenna based on metamaterials |
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| A. VALLECCHI等: "Metamaterial in Planar Technology Exhibiting Negative Refractive Index for Arbitrary Incident Plane Wave Polarization", 《IEEE》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296446A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Metamaterial and MRI imaging strengthening device |
| CN105789877A (en) * | 2016-05-11 | 2016-07-20 | 中国人民解放军空军工程大学 | Four-beam microstrip transmission array antenna based on super-surface, and design method for four-beam microstrip transmission array antenna |
| CN105789877B (en) * | 2016-05-11 | 2018-06-08 | 中国人民解放军空军工程大学 | Four wave beam micro-strips transmission array antenna and its design method based on super surface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102800979B (en) | 2014-09-03 |
| WO2013000222A1 (en) | 2013-01-03 |
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