CN103296348B - A kind of artificial electromagnetic material and the wave filter using the material - Google Patents
A kind of artificial electromagnetic material and the wave filter using the material Download PDFInfo
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- CN103296348B CN103296348B CN201210050274.2A CN201210050274A CN103296348B CN 103296348 B CN103296348 B CN 103296348B CN 201210050274 A CN201210050274 A CN 201210050274A CN 103296348 B CN103296348 B CN 103296348B
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- artificial electromagnetic
- electromagnetic material
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- wave filter
- sheet metal
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Abstract
The present invention relates to a kind of artificial electromagnetic material, including at least one artificial electromagnetic material lamella, each artificial electromagnetic material lamella includes at least one sheet metal of substrate and attachment on the substrate, the multiple discrete engraved structures of the metal on-chip array arrangement；Present invention also offers a kind of wave filter using above-mentioned artificial electromagnetic material, the wave filter includes resonator and the harmonic oscillator positioned at intra resonant cavity, and wherein harmonic oscillator is above-mentioned artificial electromagnetic material；Its dielectric constant of artificial electromagnetic material with this sheet metal is significantly increased, and this artificial electromagnetic material is applied to the miniaturization for being conducive to wave filter in wave filter.
Description
Technical field
The present invention relates to field of new materials, more specifically to a kind of artificial electromagnetic material with high-k
And use the wave filter of the material.
Background technology
Dielectric constant is a parameter of the material to electric field response, and material can produce charge inducing in extra electric field and cut
The ratio of electric field is dielectric constant in extra electric field and final material in weak electric field, former vacuum.
In nature, any material under given conditions, has its specific dielectric constant values or dielectric normal
Number curve.The higher material of dielectric constant is put in the electric field, and the intensity of electric field can have considerable decline in dielectric substance.
In high dielectric constant material, electromagnetic wavelength is very short, can be substantially reduced the size of radio frequency and microwave device.
With the development that technology is maked rapid progress, people are to the application requirement more and more higher of material, in some occasions, required
Dielectric constant values be far above the existing material of nature dielectric constant values, the higher dielectric insulator of existing dielectric constant
Requirement can not be reached, this will be that technology and research and development of products cause bottleneck.Therefore, people turn to made artificial electromagnetic material
Material.
Wave filter is one of common devices in radiotechnics, is widely used in communication, radar, navigation, electronics pair
In the electronic equipments such as anti-, satellite, test instrumentation.Wave filter has resonator, and the volume of wave filter depends primarily on resonator
Number and volume.And the resonant frequency of microwave cavity depends on the volume of the chamber, in general, the bigger resonance of volume of resonant cavity
Frequency is lower, and the smaller resonant frequency of volume of resonant cavity is higher, therefore how to realize and dropped in the case where not increasing resonant cavity size
The resonant frequency of low resonator has great importance for the miniaturization of wave filter.
By in resonator set with high-k harmonic oscillator, can the volume for not changing resonator bar
The resonant frequency of resonator is effectively reduced under part, is conducive to the miniaturization of wave filter.
The content of the invention
The technical problem to be solved in the present invention is, there is provided one kind has high-k for the defect of prior art
Artificial electromagnetic material.
The technical solution adopted for the present invention to solve the technical problems is：A kind of artificial electromagnetic material is constructed, including at least
One artificial electromagnetic material lamella, each artificial electromagnetic material lamella includes substrate and attachment on the substrate at least
One sheet metal, described multiple discrete (i.e. mutually disjoint) engraved structures of metal on-chip array.
In a preferred embodiment of the invention, the engraved structure is polygon.
In a preferred embodiment of the invention, the engraved structure is circle.
In a preferred embodiment of the invention, the multiple discrete engraved structure is in cross array arrangement.
In a preferred embodiment of the invention, the multiple discrete engraved structure rectangular array arrangement.
In a preferred embodiment of the invention, the substrate be ceramic material, FR-4 (glass-epoxy),
F4B (polytetrafluoroethylglass glass cloth), polymer matrix composites, ferroelectric material, ferrite material or ferromagnetic material.
Present invention also offers a kind of wave filter, including resonator and the harmonic oscillator positioned at intra resonant cavity, the resonance
Son is artificial electromagnetic material, and the artificial electromagnetic material includes at least one artificial electromagnetic material lamella, each artificial electromagnetic
Sheet of material includes at least one sheet metal of substrate and attachment on the substrate, and the metal on-chip array is multiple discrete
Engraved structure.
In a preferred embodiment of the invention, the engraved structure is polygon or circle.
In a preferred embodiment of the invention, the multiple discrete engraved structure is in cross array arrangement or is in
Rectangular array.
In a preferred embodiment of the invention, the substrate be ceramic material, FR-4, F4B, polymer matrix composites,
Ferroelectric material, ferrite material or ferromagnetic material.
Implement the invention has the advantages that：By setting engraving for array arrangement on the substrate of artificial electromagnetic material
Hollow structure, can make artificial electromagnetic material have higher dielectric constant, the artificial electromagnetic material is applied to be had in wave filter
Beneficial to the miniaturization of wave filter.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of structural representation for the sheet metal mentioned in the embodiment of the present invention；
Fig. 2 is the size marking schematic diagram of an artificial electromagnetic material unit comprising sheet metal shown in Fig. 1；
Fig. 3 is the structure of the artificial electromagnetic material comprising sheet metal shown in Fig. 1 and with an artificial electromagnetic material lamella
Schematic diagram；
Fig. 4 is that the wave filter that harmonic oscillator is artificial electromagnetic material shown in Fig. 3 is shown by the section of input to output extreme direction
It is intended to；
Fig. 5 is another structural representation of sheet metal.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The present embodiment provides a kind of artificial electromagnetic material as shown in figure 3, including an artificial electromagnetic material lamella；Certainly
Multiple artificial electromagnetic material lamellas, when with multiple artificial electromagnetic material lamellas, adjacent artificial electromagnetic material piece can be included
Layer along vertically thereon the direction of lower surface can by mechanically connect, welding or adjacent artificial electromagnetic material lamella it
Between filling can material connecting the two both such as bonded at the mode be assembled integrally.
As shown in figure 3, artificial electromagnetic material lamella includes substrate and is attached to the multiple of upper surface of base plate in the present embodiment
Sheet metal, each artificial electromagnetic material lamella is virtually divided into the artificial electromagnetic material unit of multiple array arrangements；Each
Adhere to a sheet metal on artificial electromagnetic material unit, as shown in figure 1, there are the row of two row two in cross array arrangement on sheet metal
Discrete square engraved structure, as shown in Fig. 2 size a × a of each artificial electromagnetic material unit is 2mm × 2mm, attachment
In small square size c × c that size b × b of square-shaped metal piece thereon is hollow out on 1.9mm × 1.9mm, sheet metal
For 0.1mm × 0.1mm, adjacent small square spacing d and e are 0.1mm.
The material of sheet metal is copper, naturally it is also possible to be other conductive materials；Substrate use dielectric constant for 35 ceramics
Material, naturally it is also possible to using materials such as FR-4, F4B, polymer matrix composites, ferroelectric material, ferrite material or ferromagnetic materials
Material.Metal micro structure leads to overetched mode and is attached on substrate, and certain metal micro structure can also use plating, carve, light
The modes such as quarter, electronics quarter or ion quarter are attached on substrate.Obtaining the dielectric constant of the artificial electromagnetic material by emulation is
111, relative to pure ceramic material, the dielectric constant of the artificial electromagnetic material is greatly improved, while the artificial electromagnetic material
The electromagnetic consumable of material is not significantly increased relative to ceramic substrate.
Present invention also offers a kind of wave filter using above-mentioned artificial electromagnetic material, the wave filter includes resonator and position
In the harmonic oscillator in resonator, harmonic oscillator therein uses the artificial electromagnetic material in the present embodiment.As shown in figure 4, including defeated
Enter end 1 and output end 2, input and output end are intercoupled by the metal dish 3 and 4 being connected electrically respectively, harmonic oscillator is led to
Cross support 5 to be supported in resonator, in order to which the resonant frequency to wave filter is finely adjusted, the wave filter is also provided with tuning screw
6.Because the artificial electromagnetic material in the present embodiment has higher dielectric constant, so using the artificial electromagnetic material as humorous
The wave filter of oscillator is conducive to the miniaturization of wave filter.
, can be further by changing the modes such as the number of plies of substrate in medium substrate, the shape and size of metal micro structure
Adjustment and the dielectric constant for improving medium substrate, make it meet demand of the special occasions to high-k.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, many changes can be also made in the case of present inventive concept and scope of the claimed protection is not departed from
Shape.The square that the structure of such as hollow out is not limited to mention in above-described embodiment can also be other geometries, such as just
The shapes such as pentagon, regular hexagon and circle.The structure of multiple discrete hollow outs is not limited in cross array arrangement on substrate,
Rectangular it can also arrange, as shown in Figure 5；Sheet metal is not limited to be distributed on a face of substrate, on positive and negative two faces of substrate
Can all adhesion metal pieces, sheet metal can also be located between two substrates, and these deformations mentioned above belong to this hair
Within bright protection.
Claims (4)
1. a kind of artificial electromagnetic material, including at least one artificial electromagnetic material lamella, each artificial electromagnetic material lamella
Including at least one sheet metal substrate and attachment on the substrate, it is characterised in that the metal on-chip array arrangement is more
Individual discrete engraved structure, it is in cross on cross array arrangement, the sheet metal that the multiple discrete engraved structure, which is in,
Array arrangement has two rows two to arrange discrete square engraved structure.
2. artificial electromagnetic material according to claim 1, it is characterised in that the substrate be ceramic material, FR-4, F4B,
Polymer matrix composites, ferroelectric material, ferrite material or ferromagnetic material.
3. a kind of wave filter, including resonator and the harmonic oscillator positioned at intra resonant cavity, it is characterised in that the harmonic oscillator is behaved
Work electromagnetic material, the artificial electromagnetic material includes at least one artificial electromagnetic material lamella, each artificial electromagnetic material piece
Layer includes at least one sheet metal of substrate and attachment on the substrate, the multiple discrete hollow out knots of metal on-chip array
Structure, it is in that cross array arrangement has two rows on cross array arrangement, the sheet metal that the multiple discrete engraved structure, which is in,
The discrete square engraved structure of two row.
4. wave filter according to claim 3, it is characterised in that the substrate is ceramic material, FR-4, F4B, resin base
Composite, ferroelectric material, ferrite material or ferromagnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050274.2A CN103296348B (en) | 2012-02-29 | 2012-02-29 | A kind of artificial electromagnetic material and the wave filter using the material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050274.2A CN103296348B (en) | 2012-02-29 | 2012-02-29 | A kind of artificial electromagnetic material and the wave filter using the material |
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| Publication Number | Publication Date |
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| CN103296348A CN103296348A (en) | 2013-09-11 |
| CN103296348B true CN103296348B (en) | 2017-08-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071051A (en) * | 2015-07-27 | 2015-11-18 | 哈尔滨工业大学 | Improved Fabry-Perot resonant cavity antenna |
| CN107994303B (en) * | 2017-10-18 | 2020-03-31 | 西安天和防务技术股份有限公司 | Low profile spatial filter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10126120A (en) * | 1996-10-22 | 1998-05-15 | Advantest Corp | Resonator, oscillator using resonator and filter |
| CN202150533U (en) * | 2011-07-29 | 2012-02-22 | 深圳光启高等理工研究院 | Resonant cavity |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8722155B2 (en) * | 2010-03-12 | 2014-05-13 | Los Alamos National Security, Llc | Method to manufacture bit patterned magnetic recording media |
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2012
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10126120A (en) * | 1996-10-22 | 1998-05-15 | Advantest Corp | Resonator, oscillator using resonator and filter |
| CN202150533U (en) * | 2011-07-29 | 2012-02-22 | 深圳光启高等理工研究院 | Resonant cavity |
Non-Patent Citations (1)
| Title |
|---|
| "平面波展开结合矩量法分析频率选择表面";杨卓等;《电波科学学报》;20090430;第24卷(第2期);第314-317页 * |
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Effective date of registration: 20210508 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 18B, building a, CIC international business center, 1061 Xiangmei Road, Futian District, Shenzhen, Guangdong 518034 Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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