CN102810758B - Novel metamaterial - Google Patents
Novel metamaterial Download PDFInfo
- Publication number
- CN102810758B CN102810758B CN201110179776.0A CN201110179776A CN102810758B CN 102810758 B CN102810758 B CN 102810758B CN 201110179776 A CN201110179776 A CN 201110179776A CN 102810758 B CN102810758 B CN 102810758B
- Authority
- CN
- China
- Prior art keywords
- man
- made microstructure
- substrate
- line segment
- intersection point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention relates to a novel metamaterial, which comprises at least one material sheet, wherein each material sheet comprises a substrate and an artificial micro-structure which is adhered onto the substrate, the substrate is virtually divided into a plurality of substrate units in array arrangement, a pair of artificial micro-structures is adhered onto each substrate unit, wherein the first artificial micro-structure comprises four branches which share one intersection point, one end of any branch is connected with the intersection point, the other end of the branch is a free end, the branch comprises at least one bending part, and any branch is respectively overlapped with other three branches after sequentially rotating for 90 degrees, 180 degrees and 270 degrees in clockwise direction by taking the intersection point as the rotating center; and the second artificial micro-structure comprises two mutual orthogonal I shapes, and two ends of two parallel edges in the I shape are respectively connected with a line segment facing towards the inner side. The material has broadband high dielectric constant within a certain frequency band and has the distribution of dielectric constants which are gradually increased from zero within the other frequency band, so that the requirement of a particular field can be met.
Description
Technical field
The present invention relates to a kind of material, more particularly, relate to a kind of Novel meta-material.
Background technology
Artificial electromagnetic material, is commonly called as Meta Materials, is a kind of novel artificial synthetic material, be the substrate be made up of nonmetallic materials and attachment on the surface of the substrate or the multiple man-made microstructure being embedded in substrate inside form.Substrate can be divided into multiple base board units of rectangular array arrangement virtually, each base board unit is attached with man-made microstructure, thus form a metamaterial unit, whole Meta Materials is made up of much such metamaterial unit, just as crystal is made up of according to certain arrangement countless lattices.Man-made microstructure in each metamaterial unit can be identical or incomplete same.What man-made microstructure was made up of wire has certain geometric plane or stereochemical structure, such as, form annular, I-shaped wire etc.
Due to the existence of man-made microstructure, each metamaterial unit has the electromagnetic property being different from substrate itself, and the Meta Materials that therefore all metamaterial unit are formed presents special response characteristic to Electric and magnetic fields; By designing different concrete structures and shape to man-made microstructure, the response characteristic of whole Meta Materials can be changed.
The dielectric constant of common material changes along with the change of frequency, has a resonance peak, and as shown in Figure 1, in low-loss situation, dielectric constant is greater than 10 usually.In some application scenario, particularly large scale integrated circuit, need to use the material with low-k, common material does not generally meet.
Summary of the invention
The technical problem to be solved in the present invention is: for the above-mentioned defect of prior art, provide a kind of Novel meta-material, and this material has wideband high-k and in another frequency range, has the dielectric constant distribution increased gradually by zero in certain frequency range.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of Novel meta-material, this material comprises at least one sheet of material, each sheet of material comprises substrate and is attached to the man-made microstructure on substrate, substrate is divided into the base board unit of multiple array arrangement virtually, each base board unit adheres to a pair man-made microstructure, the often pair of man-made microstructure comprises and is attached to variform first man-made microstructure on described base board unit and the second man-made microstructure; First man-made microstructure comprises four branch roads of common intersection point, one end of arbitrary described branch road is connected with described intersection point, the other end is free end, described branch road comprises at least one kink, arbitrary described branch road with described intersection point for pivot successively dextrorotation turn 90 degrees, overlaps with other three branch roads respectively after 180 degree and 270 degree; Described second man-made microstructure comprise two mutually orthogonal I-shaped, in I-shaped, the two ends on the limit that two are parallel to each other are connected to towards the line segment of inner side, and this material has wideband high-k in certain frequency range and dielectric constant increases gradually by zero in another frequency range.
In a preferred embodiment of the invention, the kink of described firstth man-made microstructure is right angle, fillet or wedge angle.
In a preferred embodiment of the invention, the free end of the arbitrary described branch road of described first man-made microstructure is connected with a line segment.
In a preferred embodiment of the invention, the free end of arbitrary described first man-made microstructure branch road is connected with the mid point of described line segment
In a preferred embodiment of the invention, the described line segment in described second man-made microstructure is straight line, and two line segments that different I-shaped adjacent both ends connects are parallel to each other or not parallel.
In a preferred embodiment of the invention, the described line segment in described second man-made microstructure is arc.
In a preferred embodiment of the invention, the described line segment of described second man-made microstructure is folding line.
In a preferred embodiment of the invention, described man-made microstructure is made up of copper cash or silver-colored line.
In a preferred embodiment of the invention, described substrate is ceramic material.
In a preferred embodiment of the invention, described substrate is polytetrafluoroethylene, ferroelectric material, ferrite material, ferromagnetic material or FR-4.
Implement of the present invention novel super, there is following beneficial effect: the dielectric constant of this material increases gradually by zero in certain frequency range, Fig. 4 is an analogous diagram of this material, and in certain frequency range, (5.5GHz ~ 9GHz) dielectric constant increases gradually by zero as shown in Figure 4; Fig. 5 is an analogous diagram after the size reducing man-made microstructure, and in certain frequency range, (8GHz ~ 8.5GHz) dielectric constant increases gradually by zero as shown in Figure 5; Therefore, when we need to use dielectric constant by zero characteristic increased gradually constantly in different frequency range, the size changing man-made microstructure is only needed to realize; This material that dielectric constant increases gradually by zero in certain frequency range, can meet the application demand of specific occasion.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is common material dielectric constant properties curve;
Fig. 2 is the structural representation of the Novel meta-material in embodiment;
Fig. 3 is the structural representation of a material cell in material shown in Fig. 2;
Fig. 4 is the dielectric constant properties figure mono-of the Novel meta-material in embodiment;
Fig. 5 is the dielectric constant properties figure bis-of the Novel meta-material in embodiment;
Fig. 6 to Figure 10 is the possible structure of the first man-made microstructure;
Figure 11 and Figure 12 is the possible structure of the second man-made microstructure.
Embodiment
The present embodiment provides a kind of Novel meta-material, comprises at least one sheet of material, and when having multiple sheet of material, these sheet of material are stacked to together along the direction perpendicular to its surface.
Figure as indicated with 2, this material comprises the sheet of material 1 of 3 pieces of even uniform thickness, panels of material layer 1 stacks gradually along the direction (z-axis direction) perpendicular to base plan, modes such as such as being welded by certain packaging technology between every two block of material lamellas 1, rivet, be bonding is made as a whole or is passed through to fill the material such as liquid raw substrate that can connect the two, existing two sheet of material 1 bond by after hardening, thus make panels of material layer 1 form an entirety.
Each sheet of material 1 comprises substrate and is attached to the man-made microstructure on substrate, substrate is divided into virtually multiple identical column base board unit be mutually close to, these base board units with x-axis direction be row, with y-axis direction vertical with it for leu time array arrangement.Each base board unit upper-lower position adheres to the first man-made microstructure 3 and the second man-made microstructure 4, and the man-made microstructure on base board unit and base board unit forms a material cell 2 jointly; As shown in Figure 2, the material of the present embodiment can be regarded as and formed along x, y, z three direction array arrangements by multiple material cell 2, wherein, man-made microstructure can be attached on described base material by etching, plating, the modes such as quarters, photoetching, electronics quarter or ion quarter of boring.The material of the first man-made microstructure 3 and the second man-made microstructure 4 is metal wire, and use copper cash here, certain 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.As shown in Figure 3, first man-made microstructure 3 comprises four branch roads of common intersection point in the present embodiment, one end of arbitrary branch road is connected with described intersection point, the other end is free end, each branch road comprises multiple kink, kink is right angle, arbitrary branch road with described intersection point for pivot successively dextrorotation turn 90 degrees, overlap with other three branch roads respectively after 180 degree and 270 degree, and be connected with a line segment at the free end of each branch road, free end is connected with the mid point of line segment, this man-made microstructure can also by various deformation, as shown in Fig. 6 to Figure 10, kink can be fillet or wedge angle, free end can connecting line segment also can not connecting line segment, second man-made microstructure 4 as shown in Figure 3, comprise mutually orthogonal two I-shaped, the two ends of each I-shaped two line segments be parallel to each other are connected to a line segment, described line segment is towards the space be made up of this two I-shaped edge lines, namely towards inner side, this man-made microstructure can also by various deformation, as is illustrated by figs. 11 and 12, kink can be arc or folding line, it should be noted that: for simplicity, the structure in Fig. 6 to Figure 10 and Figure 11 and Figure 12 all draws with fine rule, and in fact, said structure all has certain width, as shown in Figure 3.Fig. 4 and Fig. 5 be electromagnetic wave by dielectric constant properties analogous diagram corresponding during this material, the man-made microstructure wherein in Fig. 5 diminishes relative to the size of man-made microstructure in Fig. 4.From the solid line in Fig. 4, this material (1.5GHz ~ 3GHz) its dielectric constant in certain frequency range is higher, and has good broadband properties; Simultaneously, in certain frequency range, (11GHz ~ 18GHz) increases gradually by zero, in certain frequency range, the value change of (1GHz ~ 5GHz) dielectric constant is less as shown in Figure 5 has good broadband properties, meanwhile, in certain frequency range, (8GHz ~ 8.5GHz) dielectric constant increases gradually by zero; And by the imaginary part of corresponding dielectric constant in the known above-mentioned frequency range less at dielectric constant of dotted line in figure close to zero, therefore loss is also lower, so this material can be applied in the occasion needing dielectric constant to have better broadband properties, be also applicable to being applied in needs dielectric constant by zero increase gradually occasion.When needing the above-mentioned characteristic using dielectric constant in other frequency ranges, can be realized by the change size of material cell or the size of the first artificial microstructure size or the second man-made microstructure.
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 is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; can also make some distortion to the shape of the first man-made microstructure and the second man-made microstructure, these all belong within protection of the present invention.
Claims (7)
1. a Novel meta-material, it is characterized in that: this material comprises at least one sheet of material, each sheet of material comprises substrate and is attached to the man-made microstructure on substrate, substrate is divided into the base board unit of multiple array arrangement virtually, each base board unit adheres to a pair man-made microstructure, the often pair of man-made microstructure comprises and is attached to variform first man-made microstructure on described base board unit and the second man-made microstructure; Described first man-made microstructure comprises four branch roads of common intersection point, one end of arbitrary described branch road is connected with described intersection point, the other end is free end, described branch road comprises at least one kink, arbitrary described branch road with described intersection point for pivot successively dextrorotation turn 90 degrees, overlaps with other three branch roads respectively after 180 degree and 270 degree; Described second man-made microstructure comprise two mutually orthogonal I-shaped, in I-shaped, the two ends on the limit that two are parallel to each other are connected to towards the line segment of the space inner be made up of described two I-shaped limits be parallel to each other, described line segment is straight line, and two line segments that different I-shaped adjacent both ends connects are parallel to each other or not parallel; Or described line segment is arc; Or described line segment is folding line.
2. Novel meta-material according to claim 1, is characterized in that: the kink of described first man-made microstructure is fillet.
3. Novel meta-material according to claim 1, is characterized in that: the free end of the arbitrary described branch road of described first man-made microstructure is connected with a line segment.
4. Novel meta-material according to claim 3, is characterized in that: the free end of arbitrary described first man-made microstructure branch road is connected with the mid point of described line segment.
5., according to the arbitrary described Novel meta-material of Claims 1-4, it is characterized in that: described man-made microstructure is made up of copper cash or silver-colored line.
6., according to the arbitrary described Novel meta-material of Claims 1-4, it is characterized in that: described substrate is ceramic material.
7., according to the arbitrary described Novel meta-material of Claims 1-4, it is characterized in that: described substrate is polytetrafluoroethylene, ferroelectric material, ferrite material, ferromagnetic material or FR-4.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110179776.0A CN102810758B (en) | 2011-06-29 | 2011-06-29 | Novel metamaterial |
| PCT/CN2011/081408 WO2013000223A1 (en) | 2011-06-29 | 2011-10-27 | Artificial electromagnetic material |
| EP11859650.1A EP2562874B1 (en) | 2011-06-29 | 2011-10-27 | Artificial electromagnetic material |
| US13/583,881 US9219314B2 (en) | 2011-06-29 | 2011-10-27 | Artificial electromagnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110179776.0A CN102810758B (en) | 2011-06-29 | 2011-06-29 | Novel metamaterial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810758A CN102810758A (en) | 2012-12-05 |
| CN102810758B true CN102810758B (en) | 2015-02-04 |
Family
ID=47234396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110179776.0A Active CN102810758B (en) | 2011-06-29 | 2011-06-29 | Novel metamaterial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102810758B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904057B (en) * | 2011-07-29 | 2016-01-06 | 深圳光启高等理工研究院 | A kind of Novel manual electromagnetic material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7826504B2 (en) * | 2006-10-19 | 2010-11-02 | Los Alamos National Security, Llc | Active terahertz metamaterial devices |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787280A (en) * | 2004-12-09 | 2006-06-14 | 上海方盛信息科技有限责任公司 | Electromagnetic forbidden band structure material |
| KR100723531B1 (en) * | 2006-06-13 | 2007-05-30 | 삼성전자주식회사 | Substrates for semiconductor package |
| US10461433B2 (en) * | 2008-08-22 | 2019-10-29 | Duke University | Metamaterials for surfaces and waveguides |
-
2011
- 2011-06-29 CN CN201110179776.0A patent/CN102810758B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7826504B2 (en) * | 2006-10-19 | 2010-11-02 | Los Alamos National Security, Llc | Active terahertz metamaterial devices |
Non-Patent Citations (1)
| Title |
|---|
| "基于双环开口谐振环对的平面周期结构左手超材料";王甲富 等;《物理学报》;20090515;第58卷(第5期);3224-3229 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102810758A (en) | 2012-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI394314B (en) | Power combiners and dividers based on composite right and left handed metamaterial structures | |
| CN101304108B (en) | Dual frequency resonator and dual frequency filter | |
| CN102810758B (en) | Novel metamaterial | |
| CN102544739B (en) | A kind of Meta Materials with high-k | |
| CN102800983B (en) | Novel meta-material | |
| CN102810759B (en) | Novel metamaterial | |
| US9219314B2 (en) | Artificial electromagnetic material | |
| CN103036043B (en) | A kind of Novel meta-material | |
| JP2014093541A (en) | Phase shifter | |
| CN102810760B (en) | Novel metamaterial | |
| CN103036042A (en) | Novel metamaterial | |
| CN103296478A (en) | Novel air impedance matching material based on artificial metal microstructure unit and radome | |
| TWM578884U (en) | Array antenna | |
| Huang et al. | A novel frequency selective surface for ultra wideband antenna performance improvement | |
| CN102800979B (en) | Broadband artificial electromagnetic material | |
| CN102903999B (en) | A kind of resonant cavity | |
| CN102760961B (en) | Broadband low-dispersion metamaterial | |
| CN102938484A (en) | Symmetrically-slotted double-Y junction microstrip ferrite circulator | |
| CN102637950A (en) | Super-material antenna housing with filtering function | |
| JP2013239956A (en) | Metamaterial antenna | |
| CN103036049B (en) | A kind of artificial electromagnetic material being used as impedance matching | |
| CN102903997B (en) | A kind of resonant cavity | |
| CN102956986B (en) | Broadband high-refractive-index artificial electromagnetic material | |
| CN103094696A (en) | Artificial electromagnetic material with characteristics of broadband high refractive index and low dispersion | |
| CN112201935B (en) | Structure and method for feeding broadband planar antenna by using flexible coplanar waveguide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |