CN206163694U - Broadband air dielectric antenna unit - Google Patents
Broadband air dielectric antenna unit Download PDFInfo
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- CN206163694U CN206163694U CN201621284431.6U CN201621284431U CN206163694U CN 206163694 U CN206163694 U CN 206163694U CN 201621284431 U CN201621284431 U CN 201621284431U CN 206163694 U CN206163694 U CN 206163694U
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- air dielectric
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Abstract
The utility model discloses a broadband air dielectric antenna unit, relate to millimeter wave antenna technical field, this antenna element includes first substrate, second substrate and third substrate, first substrate and third substrate are the silicon chip, the second substrate is the high -resistivity silicon substrate, it has first radius and second radius to open on first substrate, the probe groove has still been opened on first substrate, surface at first substrate and third substrate has laid the metal, be equipped with integrated waveguide of substrate and paster structure on the second substrate, the upper surface of paster structure is equipped with the sheetmetal, be carved with coplane waveguide feed circuit at the 2nd substrate upper surface, still be equipped with the through -hole on the second substrate, the upper and lower surface and the through -hole inner wall of second substrate have laid the metal, the integrated waveguide excitation of substrate that first radius and second radius were filled by the air dielectric, the integrated waveguide of substrate is encouraged by the paster structure. This antenna element has broadband, low -loss, low section, easy integrated characteristics.
Description
Technical field
The utility model is related to millimeter wave antenna technical field.
Background technology
Millimeter wave refers to that frequency is 30GHz-300GHz, and wavelength is the electromagnetic wave of 10mm-1mm.Because millimeter wave frequency band has
There are the characteristics such as the short, bandwidth of wavelength, so being widely used in including millimetre-wave radar, missile guidance, electronic countermeasure, millimeter wave
Military field and the civil areas such as communication, remote measurement remote sensing, radio astronomy.Especially in terms of guidance technology, because millimeter wave frequency
The frequency of section is higher, also has certain photoelectric guidance characteristic while possessing microwave guidance characteristic, so millimeter-wave guidance
Technology can be strong by microwave guidance technology penetrability, combines the characteristics of photoelectric guidance device volume is little, angular resolution is high,
With very excellent guidance performance.And a key technology in millimeter-wave systems design is exactly setting for millimeter wave antenna
Meter.But with the rising of frequency, traditional antenna form encounters many problems in millimeter wave frequency band.For example, in millimeter wave frequency
The paster antenna of section design is bound among the medium of paster antenna because of its most of energy, so loss is larger, antenna effect
Rate is not high, meanwhile, the narrower bandwidth of patch antenna element limits the range of application of paster antenna；Although reflector antenna has
There are higher gain and efficiency, but the size of the antenna is big, section is high, it is difficult to reach modern millimeter wave antenna miniaturization and be easy to
Integrated requirement.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of broadband air dielectric antenna element, the antenna element tool
Have broadband, low-loss, low section, the characteristics of be easily integrated.
To solve the above problems, the utility model is adopted the technical scheme that：A kind of broadband air dielectric antenna element, should
Antenna element includes enumerating the first substrate, the second substrate and the 3rd substrate of arrangement, three described substrates successively from top to bottom
Align up and down, the section of three described substrates is rectangular shape, first substrate and the 3rd substrate are silicon chip, institute
The second substrate is stated for high resistant silicon chip, the first radius and the second radius for radiation are provided with the first substrate, the
The probe slot for placing feed probes is also provided with one substrate, first radius, the second radius and probe slot are
Penetrating cell body, in the outer surface optional position of the first substrate and the 3rd substrate metal is laid with, and on the second substrate end is provided with
The substrate integration wave-guide and paster structure of terminal shortcircuit, the upper surface of the paster structure is provided with sheet metal, in the second substrate upper table
Coplanar wave guide feedback circuit is carved with face, through hole is additionally provided with the second substrate, in the upper and lower surface and through hole of second substrate
Wall is laid with metal, and first radius and the second radius are located at the top of substrate integration wave-guide, first radius
Encouraged by the substrate integration wave-guide that air dielectric is filled with the second radius, the substrate integration wave-guide is encouraged by paster structure.
Preferably, the thickness of first substrate, the second substrate and the 3rd substrate is 0.4mm.
Preferably, the long side of first substrate and the 3rd substrate is 10.5mm, and broadside is 4.5mm, first radiation
The long side of groove is 3mm, and broadside is 1.3mm, and the long side of second radius is 3mm, and broadside is 1mm, the first radius and the
The distance between two radius adjacent edges are 2.3mm.
Preferably, the long side of the substrate integration wave-guide is 4.55mm, and broadside is 2.868mm, the long side of the sheet metal
It is 0.5mm for 0.6mm, broadside, the aperture of the through hole is 0.15mm.
It is using the beneficial effect produced by above-mentioned technical proposal：This antenna element encourages base by introducing paster structure
Piece integrated waveguide has expanded bandwidth of operation；Most of medium in antenna is air, can reduce the loss of antenna；Antenna is with being coated with
The silicon chip bonding of metal is formed, and can realize miniaturization and the low section of antenna, it is easy to integrated.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation after three layers of substrate separation of the present utility model is opened；
Fig. 3 is the planar structure schematic diagram of first substrate of the utility model one embodiment；
Fig. 4 is the planar structure schematic diagram of second substrate of the utility model one embodiment；
Fig. 5 is the planar structure schematic diagram of the 3rd substrate of the utility model one embodiment；
Fig. 6 is the reflectance factor coordinate diagram of the antenna cell design under the utility model embodiment；
Fig. 7 is the reflectance factor of the antenna cell design under the utility model embodiment in 60GHz in two principal planes
Antenna pattern.
Wherein, the 1, first substrate, the 2, second substrate, the 3, the 3rd substrate, the 4, first radius, the 5, second radius, 6, visit
Needle tray, 7, coplanar wave guide feedback circuit, 8, substrate integration wave-guide, 9, paster structure.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description：As Figure 1-5,
The antenna element includes enumerating the first substrate 1, the second substrate 2 and the 3rd substrate 3 of arrangement successively from top to bottom, described three
Substrate is aligned up and down, and the section of three described substrates is rectangular shape, and the substrate 3 of first substrate 1 and the 3rd is silicon
Substrate, second substrate 2 is high resistant silicon chip, and the first radius 4 and the second spoke for radiation are provided with the first substrate 1
Groove 5 is penetrated, the probe slot 6 for placing feed probes, first radius 4, the second radius are also provided with the first substrate 1
5 and probe slot 6 be penetrating cell body, be laid with metal in the outer surface optional position of the first substrate 1 and the 3rd substrate 3,
Second substrate 2 is provided with the substrate integration wave-guide 8 and paster structure 9 of terminal short circuit, and the upper surface of the paster structure 9 is provided with gold
Category piece, in the upper surface of the second substrate 2 coplanar wave guide feedback circuit 7 is carved with, and is additionally provided with through hole on the second substrate 2, and described second
The upper and lower surface and through-hole wall of substrate 2 is laid with metal, and it is integrated that the radius 5 of first radius 4 and second is located at substrate
The top of waveguide 8, the radius 5 of first radius 4 and second is encouraged by the substrate integration wave-guide 8 that air dielectric is filled, institute
State substrate integration wave-guide 8 to be encouraged by paster structure 9.
The thickness of the first substrate 1, the second substrate 2 and the 3rd substrate 3 is 0.4mm.The substrate 3 of first substrate 1 and the 3rd
Long side be 10.5mm, broadside is 4.5mm, and the long side of first radius 4 is 3mm, and broadside is 1.3mm, second spoke
The long side for penetrating groove 5 is 3mm, and broadside is 1mm, and the distance between the first radius 4 and the adjacent edge of the second radius 5 are 2.3mm.Base
The long side of piece integrated waveguide 8 is 4.55mm, and broadside is 2.868mm, and it is 0.5mm that the long side of the sheet metal is 0.6mm, broadside,
The aperture of the through hole is 0.15mm.
When Antenna Operation, the excitation air dielectric filling substrate integration wave-guide of 7 Jing paster structures of coplanar wave guide feedback circuit 9
8, then by the first radius 4 and the outside emittance of the second radius 5.First radius 4 and the second radius 5 are by air dielectric
The substrate integration wave-guide 8 of filling is encouraged；Substrate integration wave-guide 8 is encouraged by paster structure 9, extends the bandwidth of antenna.
The antenna element, as the outside emittance of the excitation radiation groove of substrate integration wave-guide 8 of medium, is somebody's turn to do by with air
Antenna element encourages air dielectric substrate integration wave-guide 8 to expand bandwidth of operation by introducing paster structure 9；In reduce loss side
Face, the antenna element major part medium uses air so that antenna has reached low-loss effect；In antenna size side
Face, the antenna is to be bonded the silicon chip for being coated with metal to form, therefore with low section, the characteristic being easily integrated.
It is using the beneficial effect produced by above-mentioned technical proposal：This antenna element encourages base by introducing paster structure
Piece integrated waveguide has expanded bandwidth of operation；Most of medium in antenna is air, can reduce the loss of antenna；Antenna is with being coated with
The silicon chip bonding of metal is formed, and can realize miniaturization and the low section of antenna, it is easy to integrated.
Claims (4)
1. a kind of broadband air dielectric antenna element, is characterized in that：The antenna element includes enumerating arrangement successively from top to bottom
First substrate（1）, the second substrate（2）With the 3rd substrate（3）, three described substrates align up and down, described three substrates
Section is rectangular shape, first substrate（1）With the 3rd substrate（3）For silicon chip, second substrate（2）For high resistant
Silicon chip, in the first substrate（1）On be provided with for radiation the first radius（4）With the second radius（5）, in the first substrate
（1）On be also provided with probe slot for placing feed probes（6）, first radius（4）, the second radius（5）And probe
Groove（6）Penetrating cell body is, in the first substrate（1）With the 3rd substrate（3）Outer surface optional position be laid with metal,
Two substrates（2）It is provided with the substrate integration wave-guide of terminal short circuit（8）And paster structure（9）, the paster structure（9）Upper surface
Sheet metal is provided with, in the second substrate（2）It is carved with coplanar wave guide feedback circuit in upper surface（7）, in the second substrate（2）On be additionally provided with it is logical
Hole, second substrate（2）Upper and lower surface and through-hole wall be laid with metal, first radius（4）With the second radiation
Groove（5）Positioned at substrate integration wave-guide（8）Top, first radius（4）With the second radius（5）Filled by air dielectric
Substrate integration wave-guide（8）Excitation, the substrate integration wave-guide（8）By paster structure（9）Excitation.
2. a kind of broadband air dielectric antenna element according to claim 1, is characterized in that：First substrate（1）,
Two substrates（2）With the 3rd substrate（3）Thickness be 0.4mm.
3. a kind of broadband air dielectric antenna element according to claim 1, is characterized in that：First substrate（1）With
3rd substrate（3）Long side be 10.5mm, broadside is 4.5mm, first radius（4）Long side be 3mm, broadside is
1.3mm, second radius（5）Long side be 3mm, broadside is 1mm, the first radius（4）With the second radius（5）It is adjacent
The distance between side is 2.3mm.
4. a kind of broadband air dielectric antenna element according to claim 1, is characterized in that：The substrate integration wave-guide
（8）Long side be 4.55mm, broadside is 2.868mm, and it is 0.5mm that the long side of the sheet metal is 0.6mm, broadside, the through hole
Aperture be 0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621284431.6U CN206163694U (en) | 2016-11-28 | 2016-11-28 | Broadband air dielectric antenna unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621284431.6U CN206163694U (en) | 2016-11-28 | 2016-11-28 | Broadband air dielectric antenna unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163694U true CN206163694U (en) | 2017-05-10 |
Family
ID=58661321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621284431.6U Active CN206163694U (en) | 2016-11-28 | 2016-11-28 | Broadband air dielectric antenna unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163694U (en) |
-
2016
- 2016-11-28 CN CN201621284431.6U patent/CN206163694U/en active Active
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