CN104733843A - LTCC aperture coupling array antenna - Google Patents
LTCC aperture coupling array antenna Download PDFInfo
- Publication number
- CN104733843A CN104733843A CN201510114219.9A CN201510114219A CN104733843A CN 104733843 A CN104733843 A CN 104733843A CN 201510114219 A CN201510114219 A CN 201510114219A CN 104733843 A CN104733843 A CN 104733843A
- Authority
- CN
- China
- Prior art keywords
- radiation metal
- metal patch
- ltcc
- patch unit
- rectangular radiation
- 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.)
- Granted
Links
Abstract
The invention provides an LTCC aperture coupling array antenna, belongs to the technical field of antennas and aims at overcoming the defects of an existing micro-strip array antenna in the aspect of giving consideration to miniaturization, broadband and high gain. The LTCC aperture coupling array antenna comprises upper and lower layer radiation metal patch units, upper, middle and lower layer dielectric substrates, a grounded metal layer, resonance apertures and a micro-strip feed network, wherein the upper layer radiation metal patch units are arranged in triangular lattices, and the lower radiation metal patch units are arranged in rectangular lattices. Compared with regular micro-strip patch array antennas based on organic media or ceramic substrates, the LTCC aperture coupling array antenna is capable of obtaining a larger antenna bandwidth under the same size limit and giving better consideration to the performance requirements of miniaturization, broadband and high gain of the patch antenna.
Description
Technical field
The invention belongs to antenna technical field, be specifically related to a kind of LTCC wide-band high gain array antenna.
Background technology
Micro-strip paster antenna has that volume is little, lightweight, thin profile, the easily plurality of advantages such as conformal, very extensive in the application in the fields such as radar, Measure and control of missile, satellite fix, radio communication, long-range remote sensing, Aero-Space.When airborne or bomb-borne application, micro-strip array antenna is stressed in particular it is miniaturized, the performance requirement of broadband and high-gain.But micro-strip paster antenna input impedance is very responsive with the change of frequency, cause its impedance bandwidth very narrow.Current micro-strip paster antenna generally all adopts organic dielectric material or ceramic material to make substrate, in order to expand the bandwidth of micro-strip paster antenna, conventional approach comprise increase substrate thickness, reduce substrate dielectric constant, take sandwich construction, additional impedance coupling etc.But these modes are all what to increase the thickness of antenna or area be cost, are unfavorable for the conformal design of micro-strip paster antenna and carrier and the growth requirement of miniaturization.Micro-strip paster antenna takes into account miniaturization, contradiction that is broadband and high-gain development fails to be well solved all the time.
In recent years LTCC (LTCC) technology appearance and develop into exploitation innovation structure micro-strip paster antenna provide powerful power.LTCC technology is as the multi-layer ceramics technology of a kind of advanced person, not only the structure of conventional microsthp patch antennas can be extended to three-dimensional from original one dimension, and have employed curtain coating and through hole technology in LTCC technology multiple stratification process, except being convenient to processing, layer thickness control more better than conventional base plate material also can be provided, obtain embedding tolerance tighter on element value, the micro-strip paster antenna be thus expected to for the low section of development of new, broadband and high-gain creates conditions.
Summary of the invention
The object of the invention is to overcome existing micro-strip array antenna and taking into account the deficiency in miniaturization, broadband and high-gain, a kind of slot-coupled wide-band high gain micro-strip array antenna based on LTCC technology is provided, this antenna has taken into account that micro-strip paster antenna is miniaturized better, the performance requirement of broadband and high-gain.
The present invention specifically adopts following technical scheme:
A kind of LTCC slot-coupled array antenna, its structure as shown in Figures 1 to 5, comprises 2 from top to bottom successively
nindividual upper strata rectangular radiation metal patch unit 2, upper layer medium substrate 1,2
nindividual lower floor rectangular radiation metal patch unit 4, middle level medium substrate 3, ground metal layer 6, layer dielectric substrate 8 and microstrip feed network 7, described 2
nindividual upper strata rectangular radiation metal patch unit 2 is located at upper layer medium substrate 1 upper surface, upper strata radiation metal chip unit 2 presses triangular lattice arrangement, and the center distance of adjacent upper strata rectangular radiation metal patch unit 2 is 1/2nd free space wavelengths corresponding to centre frequency;
Described 2
nindividual lower floor rectangular radiation metal patch unit 4 is located at middle level medium substrate 3 upper surface and rectangular grid, and with described upper strata rectangular radiation metal patch unit 2 one to one, each lower floor's rectangular radiation metal patch unit 4 is positioned at the below of its corresponding upper strata rectangular radiation metal patch unit 2, and the center of each lower floor rectangular radiation metal patch unit 4 relative to the center of its corresponding upper strata rectangular radiation metal patch unit 2 along the distance of 1/8th free space wavelengths under the long side direction dislocation centre frequency of chip unit 2;
Described ground metal layer 6 is positioned at the upper surface of layer dielectric substrate 8, and ground metal layer 6 has 2
nindividual resonant slot 5, described 2
nindividual resonant slot 5 and lower floor's rectangular radiation metal patch unit 4 one_to_one corresponding, and each resonant slot 5 is positioned at immediately below corresponding lower floor radiation metal chip unit 4; By regulating the impedance bandwidth of the dimension adjustable array antenna in upper strata rectangular radiation metal patch unit 2, lower floor's rectangular radiation metal patch unit 4 and gap 5 of drawing a portrait;
Energy is coupled to lower floor's rectangular radiation metal patch unit 4 by the microstrip feed network 7 being positioned at layer dielectric substrate 8 lower surface by resonant slot 5, then by coupled modes by Energy Transfer to upper strata rectangular radiation metal patch unit 2.
Further, described microstrip feed network 7 can adopt the cascade form of T junction power divider, utilizes quarter wavelength impedance transducer and T junction via 2
nindividual resonant slot 5 realizes described 2 by slot-coupled
nindividual lower floor rectangular radiation metal patch unit 4 etc. amplitude and equiphase excitation.
Further, described upper layer medium substrate 1, middle level medium substrate 3 and layer dielectric substrate 8 all adopt LTCC curtain coating ceramic diaphragm lamination to form, described microstrip feed network 7, ground metal layer 6, upper strata radiation metal chip unit 2 and lower floor's radiation metal chip unit 4 all adopt silver slurry be printed in respective media substrate surface, whole LTCC slot-coupled wide-band high gain micro-strip array antenna through curtain coating, printing, lamination, punch, fill out silver, isostatic pressed and sintering process after formed.
Upper layer medium substrate 1, middle level medium substrate 3 and layer dielectric substrate 8 adopt the relative dielectric constant scope of LTCC ceramic material between 2 ~ 100.
The invention has the beneficial effects as follows:
1) main feature of this antenna structure adopts LTCC technique, and resonant slot, lower floor's radiation metal chip unit and upper strata radiation metal chip unit are coupled mutually, to increase antenna impedance bandwidth;
2) radiation metal patch antenna element in upper strata presses triangular lattice arrangement, makes unit arrange closely, and meeting, required unit number in identical antenna index situation is few, makes array antenna can realize wide-angle scanning;
3) lower floor's radiation metal patch antenna element presses rectangular grid arrangement, and the resonant slot that ground metal layer is opened is positioned at immediately below lower floor's radiation metal chip unit, by rectangular grid arrangement, is beneficial to the arrangement of bottom microstrip feed network;
4) the dislocation type arrangement mode of upper strata rectangular radiation metal patch unit and lower floor's rectangular radiation metal patch unit further increases the bandwidth of whole array antenna;
5) the present invention takes full advantage of lamination and the layer thickness control technology of LTCC advanced person, ensure that the tight gapless between different lamination combines, form fine and close integral structure, improve stability and the reliability of antenna, and sectional thickness can be controlled in very little scope; Paste array antenna relative to routine based on micro-band of organic media or ceramic substrate, the present invention can obtain the wider beamwidth of antenna under same size restriction.
Accompanying drawing explanation
Fig. 1 is that the structure of LTCC slot-coupled array antenna provided by the invention launches schematic diagram;
Fig. 2 is LTCC slot-coupled array antenna upper strata provided by the invention rectangular radiation metal patch array arrangement schematic diagram;
Fig. 3 is LTCC slot-coupled array antenna lower floor provided by the invention rectangular radiation metal patch array arrangement schematic diagram;
Fig. 4 is the structural representation offering the ground metal layer in coupling gap of LTCC slot-coupled array antenna provided by the invention;
Fig. 5 is LTCC slot-coupled array antenna feed network structures schematic diagram provided by the invention;
The graph of a relation of the LTCC slot-coupled array antenna return loss S11 that Fig. 6 provides for the embodiment of the present invention and frequency;
The LTCC slot-coupled array antenna E surface radiation directional diagram that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiment
The present embodiment provides a kind of LTCC slot-coupled wide-band high gain micro-strip array antenna, and centre frequency is 10GHz, and its structure as shown in Figures 1 to 5, mainly comprises:
Upper layer medium substrate 1, this substrate adopts the LTCC tape casting diaphragm lamination that 15 thickness are 0.1mm, dielectric constant is 5.9 to form, and its upper surface adopts silver slurry to be printed with 64 upper strata radiation metal chip units 2 by triangular lattice arrangement;
Middle level medium substrate 3, this substrate adopts the LTCC tape casting diaphragm lamination that 15 thickness are 0.1mm, dielectric constant is 5.9 to form, and its upper surface is 64 lower floor's radiation metal chip units 4 by rectangular grid arrangement;
Layer dielectric substrate 8, this substrate adopts 5 thickness to be 0.1mm, dielectric constant be 5.9 LTCC tape casting diaphragm lamination form, base lower surface adopts silver slurry printed microstrip feeding network 7, upper surface of base plate adopts silver slurry to be printed with ground metal layer, 6, ground metal layer 6 has 64 resonant slots 5.
As shown in Figure 6 and Figure 7, the micro-strip array antenna that embodiment of the present invention provides can in the size of the thick 3.5mm of the wide 104mm of long 128mm, realizes impedance bandwidth reaches 21.1dB micro-strip array antenna more than 4GHz, gain.
Claims (4)
1. a LTCC slot-coupled array antenna, comprises 2 from top to bottom successively
nindividual upper strata rectangular radiation metal patch unit (2), upper layer medium substrate (1), 2
nindividual lower floor's rectangular radiation metal patch unit (4), middle level medium substrate (3), ground metal layer (6), layer dielectric substrate (8) and microstrip feed network (7), is characterized in that, described 2
nindividual upper strata rectangular radiation metal patch unit (2) grid triangular in shape is located at upper layer medium substrate (1) upper surface, and the center distance on adjacent upper strata rectangular radiation metal patch unit (2) is 1/2nd free space wavelengths corresponding to centre frequency;
Described 2
nindividual lower floor's rectangular radiation metal patch unit (4) is located at the upper surface of middle level medium substrate (3) and rectangular grid, and with described upper strata rectangular radiation metal patch unit (2) one to one; Each lower floor's rectangular radiation metal patch unit (4) is positioned at the below of its corresponding upper strata rectangular radiation metal patch unit (2), and the center of each lower floor's rectangular radiation metal patch unit (4) relative to the center of its corresponding upper strata rectangular radiation metal patch unit (2) along the distance of 1/8th free space wavelengths under the long side direction dislocation centre frequency of chip unit (2);
Described ground metal layer (6) is positioned at the upper surface of layer dielectric substrate (8), and (6) have 2 to ground metal layer
nindividual resonant slot (5), described 2
nindividual resonant slot (5) and lower floor's rectangular radiation metal patch unit (4) one_to_one corresponding, and each resonant slot (5) is positioned at immediately below corresponding lower floor's rectangular radiation metal patch unit (4);
Energy is coupled to lower floor's rectangular radiation metal patch unit (4) by the microstrip feed network (7) being positioned at layer dielectric substrate (8) lower surface by resonant slot (5), then by coupled modes by Energy Transfer to upper strata rectangular radiation metal patch unit (2).
2. LTCC slot-coupled array antenna according to claim 1, is characterized in that, described in be positioned at layer dielectric substrate (8) lower surface microstrip feed network (7) adopt the cascade form of T junction power divider, via 2
nindividual resonant slot (5) realizes described 2 by slot-coupled
nindividual lower floor's rectangular radiation metal patch unit (4) etc. amplitude and equiphase excitation.
3. LTCC slot-coupled array antenna according to claim 1, it is characterized in that, described upper layer medium substrate (1), middle level medium substrate (3) and layer dielectric substrate (8) all adopt LTCC curtain coating ceramic diaphragm lamination to form; Described microstrip feed network (7), ground metal layer (6), upper strata radiation metal chip unit (2) and lower floor's radiation metal chip unit (4) all adopt silver slurry to be printed on respective media substrate surface.
4. LTCC slot-coupled array antenna according to claim 3, it is characterized in that, upper layer medium substrate (1), middle level medium substrate (3) and layer dielectric substrate (8) adopt the relative dielectric constant scope of LTCC ceramic material between 2 ~ 100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114219.9A CN104733843B (en) | 2015-03-16 | 2015-03-16 | A kind of LTCC slot-coupleds array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114219.9A CN104733843B (en) | 2015-03-16 | 2015-03-16 | A kind of LTCC slot-coupleds array antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104733843A true CN104733843A (en) | 2015-06-24 |
| CN104733843B CN104733843B (en) | 2017-12-15 |
Family
ID=53457481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510114219.9A Expired - Fee Related CN104733843B (en) | 2015-03-16 | 2015-03-16 | A kind of LTCC slot-coupleds array antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104733843B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633569A (en) * | 2016-03-08 | 2016-06-01 | 电子科技大学 | LTCCC laminated wideband microstrip staggered triangle array antenna |
| CN105633568A (en) * | 2016-03-08 | 2016-06-01 | 电子科技大学 | LTCC laminated wideband microstrip array antenna in special feed form |
| CN106058455A (en) * | 2016-07-29 | 2016-10-26 | 南京信息工程大学 | High gain antenna based on electromagnetic super material units |
| CN106129600A (en) * | 2016-08-26 | 2016-11-16 | 华南理工大学 | A kind of high-gain millimeter wave grid array antenna |
| CN106646868A (en) * | 2017-01-18 | 2017-05-10 | 河南师范大学 | Near field optical antenna capable of uniform magnetic field reinforcement |
| CN108879094A (en) * | 2018-07-04 | 2018-11-23 | 深圳市国人射频通信有限公司 | A kind of aerial array and its antenna element |
| CN110148834A (en) * | 2019-05-21 | 2019-08-20 | 华东师范大学 | High-gain log-periodic antenna based on disresonance type break bounds face |
| CN113410658A (en) * | 2021-06-18 | 2021-09-17 | 安徽大学 | Millimeter wave high-gain grid slot array antenna |
| CN113708088A (en) * | 2021-09-06 | 2021-11-26 | 安徽大学 | Broadband coplanar waveguide structure grid array antenna |
| CN115149279A (en) * | 2022-07-12 | 2022-10-04 | 南京濠暻通讯科技有限公司 | 5G millimeter wave broadband microstrip array antenna |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6087989A (en) * | 1997-03-31 | 2000-07-11 | Samsung Electronics Co., Ltd. | Cavity-backed microstrip dipole antenna array |
| KR20040055546A (en) * | 2002-12-20 | 2004-06-26 | 한국전자통신연구원 | Linearly polarized microstrip patch array antennas with metallic strips on a superstrate to increase an antenna gain |
| CN101064381A (en) * | 2006-04-24 | 2007-10-31 | 中国科学院空间科学与应用研究中心 | Dual-frequency GPS antenna for radio occultation detection |
| CN102394359A (en) * | 2011-06-21 | 2012-03-28 | 中国兵器工业第二○六研究所 | Multilayer micro-strip flat-plate array antenna with symmetric beams |
| CN102738572A (en) * | 2012-06-06 | 2012-10-17 | 东南大学 | Broadband directional microstrip patch antenna |
| CN103887614A (en) * | 2014-03-24 | 2014-06-25 | 电子科技大学 | Laminated high-gain circular polarization micro-strip array antenna based on LTCC |
-
2015
- 2015-03-16 CN CN201510114219.9A patent/CN104733843B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6087989A (en) * | 1997-03-31 | 2000-07-11 | Samsung Electronics Co., Ltd. | Cavity-backed microstrip dipole antenna array |
| KR20040055546A (en) * | 2002-12-20 | 2004-06-26 | 한국전자통신연구원 | Linearly polarized microstrip patch array antennas with metallic strips on a superstrate to increase an antenna gain |
| CN101064381A (en) * | 2006-04-24 | 2007-10-31 | 中国科学院空间科学与应用研究中心 | Dual-frequency GPS antenna for radio occultation detection |
| CN102394359A (en) * | 2011-06-21 | 2012-03-28 | 中国兵器工业第二○六研究所 | Multilayer micro-strip flat-plate array antenna with symmetric beams |
| CN102738572A (en) * | 2012-06-06 | 2012-10-17 | 东南大学 | Broadband directional microstrip patch antenna |
| CN103887614A (en) * | 2014-03-24 | 2014-06-25 | 电子科技大学 | Laminated high-gain circular polarization micro-strip array antenna based on LTCC |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633568A (en) * | 2016-03-08 | 2016-06-01 | 电子科技大学 | LTCC laminated wideband microstrip array antenna in special feed form |
| CN105633568B (en) * | 2016-03-08 | 2018-07-27 | 电子科技大学 | A kind of LTCC lamination broad frequency micro-band array antennas of special feed form |
| CN105633569A (en) * | 2016-03-08 | 2016-06-01 | 电子科技大学 | LTCCC laminated wideband microstrip staggered triangle array antenna |
| CN106058455A (en) * | 2016-07-29 | 2016-10-26 | 南京信息工程大学 | High gain antenna based on electromagnetic super material units |
| CN106058455B (en) * | 2016-07-29 | 2023-02-03 | 南京信息工程大学 | High-gain antenna based on electromagnetic metamaterial unit |
| CN106129600A (en) * | 2016-08-26 | 2016-11-16 | 华南理工大学 | A kind of high-gain millimeter wave grid array antenna |
| CN106129600B (en) * | 2016-08-26 | 2023-09-26 | 华南理工大学 | High-gain millimeter wave grid array antenna |
| CN106646868B (en) * | 2017-01-18 | 2022-07-22 | 河南师范大学 | Near-field optical antenna with uniformly enhanced magnetic field |
| CN106646868A (en) * | 2017-01-18 | 2017-05-10 | 河南师范大学 | Near field optical antenna capable of uniform magnetic field reinforcement |
| CN108879094B (en) * | 2018-07-04 | 2020-03-24 | 深圳国人科技股份有限公司 | Antenna array and antenna unit thereof |
| CN108879094A (en) * | 2018-07-04 | 2018-11-23 | 深圳市国人射频通信有限公司 | A kind of aerial array and its antenna element |
| CN110148834A (en) * | 2019-05-21 | 2019-08-20 | 华东师范大学 | High-gain log-periodic antenna based on disresonance type break bounds face |
| CN113410658A (en) * | 2021-06-18 | 2021-09-17 | 安徽大学 | Millimeter wave high-gain grid slot array antenna |
| CN113708088A (en) * | 2021-09-06 | 2021-11-26 | 安徽大学 | Broadband coplanar waveguide structure grid array antenna |
| CN113708088B (en) * | 2021-09-06 | 2023-07-14 | 安徽大学 | Grid array antenna with broadband coplanar waveguide structure |
| CN115149279A (en) * | 2022-07-12 | 2022-10-04 | 南京濠暻通讯科技有限公司 | 5G millimeter wave broadband microstrip array antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104733843B (en) | 2017-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104733843A (en) | LTCC aperture coupling array antenna | |
| CN101859927B (en) | LTCC lamination double-fed circularly polarized micro-strip paster antenna | |
| US7889137B2 (en) | Antenna structure with antenna radome and method for rising gain thereof | |
| CN108539401B (en) | L TCC double-layer single-feed circularly polarized microstrip patch array antenna unit | |
| CN101505004B (en) | High gain slot array antenna based on left-hand material | |
| US20080001843A1 (en) | Antenna structure with antenna radome and method for rising gain thereof | |
| CN203103499U (en) | Ultra wide band printed antenna | |
| EP2984709B1 (en) | Array antenna and related techniques | |
| CN103887614A (en) | Laminated high-gain circular polarization micro-strip array antenna based on LTCC | |
| CN105633568B (en) | A kind of LTCC lamination broad frequency micro-band array antennas of special feed form | |
| CN106099342A (en) | A kind of Meta Materials coating double frequency phased-array antenna | |
| CN102280699A (en) | LTCC (Low Temperature Co-fired Ceramic) laminated coupled feed circular-polarized micro-strip patch antenna | |
| CN102142604B (en) | Microstrip antenna element with controllable directional diagram | |
| CN105514622B (en) | A kind of four frequency microstrip reflection array antennas | |
| CN102570016A (en) | Miniaturized double-frequency circular-polarization metamaterial microstrip antenna | |
| CN110112552A (en) | A kind of X-band negative magnetic-inductive capacity material wideband microstrip antenna and preparation method thereof | |
| CN102751564B (en) | X wave band double-frequency dielectric resonator antenna based on left-hand material | |
| CN104201480B (en) | Novel LTCC laminate circular polarization microstrip antenna | |
| CN103825101A (en) | Broadband flat plate array antenna | |
| CN106229649A (en) | A kind of compact conformal array array antenna of genome units based on LTCC technology | |
| CN107634337A (en) | Patch array antenna based on pressure release surface structure | |
| CN106207430B (en) | A kind of novel LTCC broadband circularly polarization microstrip patch array antenna | |
| CN110492242A (en) | A kind of ultra-thin half short circuit round polarization top radiating antenna | |
| CN109742538A (en) | A kind of mobile terminal millimeter wave phased array magnetic-dipole antenna and its aerial array | |
| CN102299416A (en) | Micro-strip big dipper slot antenna array containing close packing PBG (photonic band gap) and coupling cavity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20210316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |