CN202363573U - Medium substrate and antenna with same - Google Patents
Medium substrate and antenna with same Download PDFInfo
- Publication number
- CN202363573U CN202363573U CN2011204222065U CN201120422206U CN202363573U CN 202363573 U CN202363573 U CN 202363573U CN 2011204222065 U CN2011204222065 U CN 2011204222065U CN 201120422206 U CN201120422206 U CN 201120422206U CN 202363573 U CN202363573 U CN 202363573U
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- substrate
- electrically connected
- artificial micro
- structural
- medium substrate
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Abstract
The utility model relates to a medium substrate, which comprises at least one manual electromagnetic material slice layer. Each manual electromagnetic material slice layer comprises a substrate and at least two artificial micro structures attached to the surface of the substrate. At least two artificial micro structures located on two different planes are electrically connected through conductive materials. The medium substrate has high dielectric constant. An antenna using the medium substrate is further disclosed. Due to the fact that the dielectric constant of the medium substrate is high, miniaturization of the antenna can be favorably achieved.
Description
Technical field
The utility model relates to a kind of new material, more particularly, relates to a kind of medium substrate and has the antenna of this medium substrate.
Background technology
Artificial electromagnetic 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.Because therefore the structure with certain geometrical pattern that artificial micro-structural normally is arranged into by electric conducting material can produce response to electromagnetic wave, thereby make artificial electromagnetic material integral body embody the electromagnetic property that is different from substrate.
Dielectric constant is is medium with the insulating material and be the ratio that medium is processed the capacitance of unidimensional capacitor with the vacuum, and it is illustrated in the unit electric field, the size of the electrostatic energy of savings in the unit volume.Dielectric constant characterizes the ability of dielectric polarization and store charge.If there is high dielectric constant materials to be placed in the electric field, the intensity of electric field can have considerable decline in dielectric.In high dielectric constant material, electromagnetic wavelength is very short, can dwindle the size of radio frequency and microwave device greatly.The excursion of the most dielectric constants of existing material is all very little.
Medium substrate commonly used at present adopts FR4 (glass-epoxy), F4B (polytetrafluoroethylglass glass cloth) and pottery etc. usually; Wherein the FR4 cost is low, but dielectric constant is lower, be generally about 3 to 4 in ghz band, and loss very big (the loss tangent angle reaches 0.02); F4B loss ratio FR4 little (the loss tangent angle is 0.001), but cost is high than FR4, and also its dielectric constant is also lower, is generally about 2 to 3 in ghz band; Therefore substrate adopts FR4 and F4B all to be unfavorable for realizing miniaturization of devices.The dielectric constant of pottery is generally about 20 to 60; Loss angle tangent is about 10-4, though the pottery dielectric constant higher relatively, along with its dielectric constant increase its loss and cost all can increase; Pottery is difficult for polishing and boring in addition, can increase processing cost.Therefore FR4, F4B and pottery are not desirable high dielectric constant baseplate materials.
The utility model content
The technical problem that the utility model will solve is: the above-mentioned defective to prior art, a kind of medium substrate is provided, and this medium substrate is a kind of artificial electromagnetic material, it is higher dielectric constant in certain frequency range.
The utility model solves the technical scheme that its technical problem adopted: a kind of medium substrate; Comprise at least one artificial electromagnetic material lamella; Each artificial electromagnetic material lamella comprises substrate and attached at least two artificial micro-structurals of said substrate surface, has at least two artificial micro-structurals that are positioned at Different Plane to be electrically connected through electric conducting material.
In the preferred implementation of the utility model; The said artificial micro-structural that is electrically connected each other is through punching on the substrate at its place, and electric conducting material passes said hole and is electrically connected or in the hole, plates the said artificial micro-structural of conductive layer with said artificial micro-structural through the conductive layer electrical connection; The said artificial micro-structural that perhaps is electrically connected each other directly is electrically connected through the outer lead of substrate.
In the preferred implementation of the utility model, said artificial micro-structural through etching, plating, brill quarter, photoetching, electronics is carved or ion is carved and is attached on the said substrate.
In the preferred implementation of the utility model, said substrate is ceramic material, FR4, F4B, resin-based, ferroelectric material, ferrite material or ferromagnetic material.
In the preferred implementation of the utility model; Said artificial micro-structural comprises four branch roads of common intersection point, an end of arbitrary said branch road links to each other with said intersection point, each branch road with said intersection point be the center of circle successively dextrorotation turn 90 degrees, 180 the degree and 270 the degree after overlap with other three branch roads respectively.
The invention also discloses a kind of antenna; Comprise medium substrate, conductive layer, ground plane and feedback pin, conductive layer is positioned at the upper surface of said medium substrate, the lower surface that ground plane is positioned at said medium substrate, and medium substrate is provided with the through hole that runs through upper and lower surfaces; Be provided with the feedback pin in the through hole; Said feedback pin is electrically connected with said conductive layer, mutually insulated between feedback pin and the ground plane, and said medium substrate comprises at least one artificial electromagnetic material lamella; Each artificial electromagnetic material lamella comprises substrate and attached to the artificial micro-structural of said substrate surface, has at least two artificial micro-structurals that are positioned at different substrate to be electrically connected through electric conducting material.
In the preferred implementation of the utility model; The mutual said artificial micro-structural that is electrically connected is through punching on the substrate at its place, and electric conducting material passes said hole and is electrically connected or in the hole, plates the said artificial micro-structural of conductive layer with said artificial micro-structural through conductive layer realization electrical connection; The said artificial micro-structural that perhaps is electrically connected each other directly is electrically connected through the outer lead of substrate.
In the preferred implementation of the utility model, said artificial micro-structural through etching, plating, brill quarter, photoetching, electronics is carved or ion is carved and is attached on the said substrate.
In the preferred implementation of the utility model, said substrate is ceramic material, FR4, F4B, ferroelectric material, ferrite material or ferromagnetic material.
In the preferred implementation of the utility model; Said artificial micro-structural comprises four branch roads of common intersection point, an end of arbitrary said branch road links to each other with said intersection point, each branch road with said intersection point be the center of circle successively dextrorotation turn 90 degrees, 180 the degree and 270 the degree after overlap with other three branch roads respectively.
Implement the utility model; Has following beneficial effect: through in medium substrate, embedding the dielectric constant that the artificial micro-structural that is electrically connected through electric conducting material can improve medium substrate, through this medium substrate being applied in the miniaturization that can realize antenna in the antenna.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the schematic top plan view of the medium substrate shown in the embodiment;
Fig. 2 is the front view sketch map of medium substrate shown in Figure 1;
Fig. 3 is a medium substrate S11 characteristic curve emulation sketch map shown in Figure 1;
Fig. 4 to Fig. 6 is the possible structural representation of medium substrate;
Fig. 7 to Figure 11 is the possible structural representation of artificial micro-structural;
Figure 12 uses the fractionation structural representation of the antenna of the medium substrate among the embodiment.
Embodiment
Present embodiment provides a kind of medium substrate, comprises three artificial electromagnetic material lamellas, and adjacent artificial electromagnetic material lamella is along being assembled into one through alite paste perpendicular to its surperficial direction; Certainly also can be between the adjacent artificial electromagnetic material lamella or between adjacent artificial electromagnetic material lamella, fill the material that can connect the two both modes such as bonding are assembled into one through mechanical connection, welding.
As depicted in figs. 1 and 2; Each artificial electromagnetic material lamella comprises substrate and attached to the double-edged artificial micro-structural of substrate, this medium substrate comprises substrate 1, substrate 2 and substrate 3, is combined as a whole through adhesive layer 4 and adhesive layer 5 between the adjacent substrate; Each substrate is divided into four modules virtually; The tow sides of each module adhere to an artificial micro-structural respectively, and each module is provided with through hole, are provided with copper cash in each through hole and are used for two artificial micro-structurals of electrical connection module upper and lower surfaces.Certainly the artificial micro-structural in the Different Plane also can only be to use metal wire to be electrically connected without through hole.It is that 0.4 millimeter, dielectric constant are 16 ceramic material that substrate adopts thickness, can certainly adopt FR4, F4B, resin-based, ferroelectric material, ferrite material or ferromagnetic material.As shown in Figure 1; Artificial micro-structural comprises four mutually orthogonal branch roads; Each branch road is T type structure; Arbitrary said T type branch road is that intersection point is connected with each other with the end of the vertical curve in the T type, each branch road with said intersection point be the center of circle successively dextrorotation turn 90 degrees, 180 the degree and 270 the degree after overlap with other three branch roads respectively.
The surface size of each module is 9 millimeters * 9 millimeters; The length of T type horizontal line is that 6.65 millimeters, T type vertical line length are 4 millimeters in each branch road; Artificial micro-structural is that 0.018 millimeter, live width are that 0.1 millimeter copper cash is processed by thickness; Can know that through emulation the dielectric constant of this medium substrate when frequency is 1.8GHz is 74, is higher than the dielectric constant of ceramic substrate far away.Can know that by the emulation among Fig. 3 the resonance frequency of this medium substrate is 1.5722GHz, less than the corresponding resonance frequency of ceramic substrate.
The utility model also provides a kind of antenna with above-mentioned medium substrate; Shown in figure 12; This antenna comprises feedback pin 15, conductive layer 16, medium substrate 17 and ground plane 18, and conductive layer 16 is positioned at the upper surface of medium substrate 17, the lower surface that ground plane 18 is positioned at medium substrate 17, and conductive layer 16, medium substrate 17 and ground plane 18 are provided with the through hole that runs through upper and lower surfaces; Be provided with said feedback pin 15 in the through hole; Feedback pin upper end is provided with the pin cap, and the cross-sectional area of pin cap is greater than the area of conductive layer through hole, and the area of ground plane through hole is greater than the cross section of feedback pin; The feedback pin is electrically connected with conductive layer, and ground plane mutually insulated; Medium substrate comprises at least one artificial electromagnetic material lamella, and each artificial electromagnetic material lamella comprises substrate and attached to the artificial micro-structural of said substrate surface, has at least two artificial micro-structurals that are positioned at Different Plane to be electrically connected through electric conducting material.Can reduce the size of antenna owing to improve the dielectric constant of medium substrate with the resonance frequency that reduces substrate, so use above-mentioned medium substrate to help realizing the miniaturization of antenna.
Can further improve the dielectric constant of medium substrate through the number of plies that changes substrate in the medium substrate, the factors such as shape and size of artificial micro-structural, make it satisfy the demand of special occasions high-k.
Combine accompanying drawing that the embodiment of the utility model is described above, but the utility model 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 also can make a lot of distortion not breaking away under the scope situation that the utility model aim and claim protect under the enlightenment of the utility model, such as; Medium substrate can comprise substrate 1 for single layer substrate structure shown in Figure 4; The double layer substrate that also can be Fig. 5 (comprises substrate 7 and substrate 8; Be combined as a whole through adhesive layer 9 between the two substrates) and Fig. 6 in three laminar substrates (comprise substrate 10, substrate 11 and substrate 12; Be combined as a whole through adhesive layer 13 and 14 between three laminar substrates), can certainly comprise more multilayer.Artificial micro-structural is as shown in Figure 5 on can a surface attached to substrate, also can tow sides attached to substrate on (the artificial micro-structural of levels is electrically connected through lead 2 and lead 3) as shown in Figure 4.Artificial micro-structural can be other various geometries; Both can be rotational symmetric structure such as Fig. 7 to structure shown in Figure 11; Each branch road can comprise kink, and kink can be shapes such as right angle, fillet or wedge angle, and the other end that each branch road is relative with intersection point can be connected line segment also can not connect line segment etc.; Can not be rotational symmetric structure also, these all belong within the protection of the utility model.
Claims (10)
1. medium substrate; Comprise at least one artificial electromagnetic material lamella; It is characterized in that; Each artificial electromagnetic material lamella comprises substrate and attached at least two artificial micro-structurals of said substrate surface, has at least two artificial micro-structurals that are positioned at Different Plane to be electrically connected through electric conducting material.
2. medium substrate according to claim 1 is characterized in that, the said artificial micro-structural that is electrically connected each other is through punching on substrate, and electric conducting material passes said hole and is electrically connected with said artificial micro-structural.
3. medium substrate according to claim 1 is characterized in that, the said artificial micro-structural that is electrically connected each other plates the said artificial micro-structural of conductive layer and is electrically connected through conductive layer through on substrate, punching in the hole.
4. medium substrate according to claim 1 is characterized in that, the said artificial micro-structural that is electrically connected each other directly is electrically connected through the outer lead of substrate.
5. according to the arbitrary described medium substrate of claim 1 to 4; It is characterized in that; Said artificial micro-structural comprises four branch roads of common intersection point, an end of arbitrary said branch road links to each other with said intersection point, each branch road with said intersection point be the center of circle successively dextrorotation turn 90 degrees, 180 the degree and 270 the degree after overlap with other three branch roads respectively.
6. antenna; Comprise medium substrate, conductive layer, ground plane and feedback pin; Conductive layer is positioned at the upper surface of said medium substrate, the lower surface that ground plane is positioned at said medium substrate, and medium substrate and ground plane are provided with the through hole that runs through upper and lower surfaces, are provided with said feedback pin in the through hole; Said feedback pin is electrically connected with said conductive layer; Mutually insulated between feedback pin and the ground plane is characterized in that said medium substrate comprises at least one artificial electromagnetic material lamella; Each artificial electromagnetic material lamella comprises substrate and attached at least two artificial micro-structurals of said substrate surface, has at least two artificial micro-structurals that are positioned at Different Plane to be electrically connected through electric conducting material.
7. antenna according to claim 6 is characterized in that, the said artificial micro-structural that is electrically connected each other is through punching on substrate, and electric conducting material passes said hole and is electrically connected with said artificial micro-structural.
8. antenna according to claim 6 is characterized in that, the said artificial micro-structural that is electrically connected each other plates the said artificial micro-structural of conductive layer and is electrically connected through conductive layer through on substrate, punching in the hole.
9. antenna according to claim 6 is characterized in that, the said artificial micro-structural that is electrically connected each other directly is electrically connected through the outer lead of substrate.
10. according to the arbitrary described antenna of claim 6 to 9; It is characterized in that; Said artificial micro-structural comprises four branch roads of common intersection point, an end of arbitrary said branch road links to each other with said intersection point, each branch road with said intersection point be the center of circle successively dextrorotation turn 90 degrees, 180 the degree and 270 the degree after overlap with other three branch roads respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204222065U CN202363573U (en) | 2011-10-31 | 2011-10-31 | Medium substrate and antenna with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204222065U CN202363573U (en) | 2011-10-31 | 2011-10-31 | Medium substrate and antenna with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202363573U true CN202363573U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204222065U Expired - Lifetime CN202363573U (en) | 2011-10-31 | 2011-10-31 | Medium substrate and antenna with same |
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| CN (1) | CN202363573U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103094657A (en) * | 2011-10-31 | 2013-05-08 | 深圳光启高等理工研究院 | Dielectric substrate and antenna with the same |
| WO2014026573A1 (en) * | 2012-08-13 | 2014-02-20 | 深圳光启创新技术有限公司 | Antenna unit, antenna assembly, multi-antenna assembly, and wireless connection device |
| CN103887599A (en) * | 2012-12-19 | 2014-06-25 | 深圳光启创新技术有限公司 | Antenna unit, multi-antenna assembly, and wireless interconnection device |
| CN104332715B (en) * | 2013-07-22 | 2017-04-12 | 深圳光启创新技术有限公司 | Electromagnetic wave deflection material and equipment |
-
2011
- 2011-10-31 CN CN2011204222065U patent/CN202363573U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103094657A (en) * | 2011-10-31 | 2013-05-08 | 深圳光启高等理工研究院 | Dielectric substrate and antenna with the same |
| WO2014026573A1 (en) * | 2012-08-13 | 2014-02-20 | 深圳光启创新技术有限公司 | Antenna unit, antenna assembly, multi-antenna assembly, and wireless connection device |
| CN103887599A (en) * | 2012-12-19 | 2014-06-25 | 深圳光启创新技术有限公司 | Antenna unit, multi-antenna assembly, and wireless interconnection device |
| CN104332715B (en) * | 2013-07-22 | 2017-04-12 | 深圳光启创新技术有限公司 | Electromagnetic wave deflection material and equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |
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| CX01 | Expiry of patent term |