CN206180101U - Three frequency chip antenna of LTCC big dipper GPS2. 4G - Google Patents
Three frequency chip antenna of LTCC big dipper GPS2. 4G Download PDFInfo
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- CN206180101U CN206180101U CN201621146857.5U CN201621146857U CN206180101U CN 206180101 U CN206180101 U CN 206180101U CN 201621146857 U CN201621146857 U CN 201621146857U CN 206180101 U CN206180101 U CN 206180101U
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Abstract
The utility model discloses a three frequency chip antenna of LTCC big dipper GPS2.4G, including cuboid antenna body, the antenna body is including six layers of greens body that stack gradually the setting, and the layer with layer between circuit connection has, wherein, the first layer all has the conductive through hole to the 6th layer, the one side on fourth layer sets up two wires, and the 6th layer surface sets up four pads, and two pads at both ends are grounding welding pad, and two middle pads are two to be presented a little, and wherein, one is presenting a little of GPS big dipper antenna, and another is presented a little for the 2.4G antenna. This antenna adopts the design of double -fed point, has effectively reduced the size of antenna, does not influence two simultaneously and presents a little respective work, has effectively solved signal interference's problem.
Description
Technical field
This utility model belongs to field of antenna, and in particular to a kind of frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri-.
Background technology
Traditional ceramicses antenna, size than larger, such as 25*25*4mm, by upper and lower two-layer silver layer and middle ceramic substrate and
Feedback pin composition.Than larger, miniaturization project can not be used size.
Meanwhile, in recent years in order to save antenna amount in a large number, install hardware cost, install labour cost, simplify product cloth
Multiple stand-alone antennas cannot meet conjunction due to unreasonable installation or limited space in office and aesthetic appeal, reduction identical product
What reason installation was brought interferes, and antenna development field is no longer limited to single-band antenna field, and then multifrequency antenna is come into greatly
Many lives.However, prior art does not obtain effectively research and development and application for the CPS/ Big Dippeves/2.4G three-frequency antennas, because
This, the research of the GPS/ Big Dippeves/2.4G three-frequency antennas has very big development space.
The antenna of traditional this size is wound on a ceramic bar with enamel-covered wire, outside envelope last layer cement or
Other materials and make.Wherein ceramic bar is solid, without circuit connection.The precision of this antenna is not high, and performance is not yet
Reach, and if enamel-covered wire is uneven around obtaining, error can be caused bigger.
The content of the invention
Technical problem to be solved in the utility model is：A kind of frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri- are provided,
Solve the problems, such as that existing ceramic antenna size is big.
This utility model is employed the following technical solutions to solve above-mentioned technical problem：
A kind of frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri-, including cuboid antenna body, antenna body is included successively
Six layers of green body being stacked, and between layers with circuit connection, wherein, ground floor to layer 6 is respectively provided with conductive logical
Hole；4th layer of one side arranges two wires, and the surface of layer 6 arranges four pads, and two pads at two ends are ground connection weldering
Disk, two middle pads are two feed points, wherein, a feed point for GPS/ Beidou antennas, another is the feed point of 2.4G.
Bonded by colloid between adjacent two layers green body.
The overall dimensions of the three frequencies antenna component are long 5.3 ± 0.1mm, wide 2.0 ± 0.1mm, high 1.2 ± 0.1mm.
The a diameter of 0.08mm of conductive through hole of ground floor to third layer, minimum range of the conductive through hole apart from green body broadside
For 2.57mm, the minimum range apart from the long side of green body is 0.22mm.
4th layer to layer 6 of a diameter of 0.08mm of conductive through hole, the minimum spacing between adjacent conductive vias is
1.38mm, conductive through hole is 0.42mm apart from the minimum range of green body broadside, and the minimum range apart from the long side of green body is
0.4mm。
Described 4th layer of two wires, wherein, one is " u "-shaped, and another is " L " shape.
Two feed points are equal with adjacently the distance between pad.
Compared with prior art, this utility model has the advantages that：
1st, the antenna is designed using double-fed point, the size of antenna is effectively reduced, while not affecting two feed points respective
Work, efficiently solves the problems, such as that signal is disturbed.
2nd, LTCC process is simples, have saved the coiling time, and circuit connection is simple, effectively reduces interference.
3rd, the antenna precision of the utility model is higher, and performance more preferably, and eliminates the uneven mistake brought of traditional coiling
Difference, its consistency is more preferable.
4th, can directly SMT production and processings.
Description of the drawings
Fig. 1 is the appearance assumption diagram of the present invention.
Fig. 2 is the stacked structure diagram of inventive antenna body.
Fig. 3 is inventive antenna body ground floor to third layer conductive via figure.
Fig. 4 is the 4th layer of inventive antenna body to layer 6 conductive via figure.
Fig. 5 is the layer conductor structure chart of inventive antenna body the 4th.
Fig. 6 is inventive antenna body layer 6 pad arrangement figure.
Fig. 7 is the external feed point schematic diagram of inventive antenna body.
Fig. 8 is the Making programme figure sketch of inventive antenna.
Fig. 9 is the detailed flow sheet of inventive antenna.
Specific embodiment
Structure of the present utility model and the course of work are described further below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri-, including cuboid antenna body, day
Line body includes six layers of green body being cascading, and between layers with circuit connection, wherein, ground floor to the 6th
Layer is respectively provided with conductive through hole；4th layer of one side two wires of setting, four pads of surface setting of layer 6, two of two ends
Pad is ground pad, and two middle pads are two feed points, wherein, one is GPS, the feed point of Beidou antenna, another
For the feed point of 2.4G.
Ground floor is the round dot and the printed words of 7 indicated with black ink, and black round dot represents Mark labellings, and it is with 7
Printed words play one jointly and represent positive effect, its shape, color, printed words can be replacing.
Bonded by colloid between adjacent two layers green body.
The overall dimensions of the three frequencies antenna component are long 5.3 ± 0.1mm, wide 2.0 ± 0.1mm, high 1.2 ± 0.1mm.
As shown in figure 3, a diameter of 0.08mm of the conductive through hole of ground floor to third layer, conductive through hole is apart from green body broadside
Minimum range be 2.57mm, apart from the long side of green body minimum range be 0.22mm.
As shown in figure 4, the 4th layer to layer 6 of a diameter of 0.08mm of conductive through hole, the minimum between adjacent conductive vias
Spacing is 1.38mm, and conductive through hole is 0.42mm apart from the minimum range of green body broadside, apart from the most narrow spacing on the long side of green body
From for 0.4mm.
As shown in figure 5, described 4th layer of two wires, wherein, one is " u "-shaped, and another is " L " shape.Its effect
The technique that uniqueness is exactly cooperatively formed with the Technology of other layers of whole antenna, required for so as to reach the antenna
Frequency.Different wire shapes can produce different frequencies, be determined according to real needs.
As shown in fig. 6, two feed points are equal with adjacently the distance between pad, the concrete size of the embodiment is as schemed
Shown in, unit is millimeter.
Fig. 7 is the external feed point pad schematic diagram of this utility model antenna, when using, the antenna is welded to shown in figure
Pad on, be then installed on external equipment.
This utility model product mainly uses LTCC (Low Temperature Co-fired Ceramic) low temperature
Common burning porcelain technology.The concrete technological process of production is as shown in Figure 8, Figure 9.
LTCC technology has developed at present the integrated assembly technology in order to attract people's attention, and has become the master of passive integration
Flow Technique, becomes the developing direction in passive element field and the point of economic increase of new element industry.
LTCC technology is to be sufficiently mixed low-temperature sintered ceramics glass powder, and is added after certain colloidal dispersions by stream
Prolong technology and make the thickness accurately green band of densification.On green band using machinery or laser technology punching, micropore slip casting,
The Technologies such as accurate conductor circuit printing make circuit according to necessary requirement, and by multiple passive components (as electric capacity, resistance,
Wave filter, bonder etc.) embedment multilayer ceramic substrate in, then overlap together.Internal and external electrode can use silver paste, copper
Slurry, gold paste.It is formed in through Technologies such as raw cook cutting, dumping, sintering, plating afterwards non-interfering highly dense under three dimensions
The three-dimensional circuit substrate of degree circuit or built-in passive element, also can be made passive on its surface by attachment IC and active device
Or active integrated functional module, and further by circuit miniaturization and densification can be highly suitable for high frequency
Communication component.Various high-tech LTCC products can be successfully fabricated out using this technology.
The technology that LTCC technology is mainly involved has：It is raw cook casting technology, thick film printing technique, conductor paste technology, low
Temperature common burning technology, IC technologies, multilayer circuit technology, electroplating technology etc..At present LTCC technology is the mainstream technology of passive integration.
LTCC technology feature：
Ceramic material has excellent high-frequency and high-Q characteristic；
Using the high metal material of copper, silver, golden conductivity as conductor material, be conducive to improving the quality of circuit system because
Son；
High current and high-temperature stability requirement are suitable for, and possess the heat conductivity more excellent than common PCB circuit substrates；
Passive block can be imbedded in Mulitilayer circuit board, be conducive to improving the packing density of circuit；
The high circuit substrate of the number of plies can be as requested made, wherein micropore can reach 0.03mm, and live width can be done
To 0.05mm, it is possible to achieve very complicated circuit connection.
With preferable temperature characterisitic, such as less thermal coefficient of expansion, less dielectric constant, less temperature coefficient.
The production technology of discontinuous allows to check green sheet, and so as to improve overall yield product is reduced
Cost.
Due to being that justifying makes, the concordance and stability of product is very high.
LTCC technology application advantage：
The number of plies in theory can be infinitely more, can be according to actual preferably wiring, so as to improve packing density.Can basis
Needs make cavity on ceramic chips, imbed more IC or active device, improve packing density.
The high-frequency and high-Q characteristic of ceramic material, so that product has good high frequency characteristics and high-speed transfer characteristic.
Production process uses Discontinuous manufacture, quality control can be carried out to every one procedure, so as to improve product
Overall yield.
The concrete sizing specification of the present embodiment antenna is as follows：
The antenna shapes are a cuboid, and length is L：5.3 ± 0.1mm, width is W：2.0 ± 0.1mm, is highly H：
The spacing of two pads is 2.06 ± 0.1mm in the middle of 1.2 ± 0.2mm, the back side.
Product structure explanation：
This product is processed by 6 layers of LTCC green bands, from top to down respectively CP1, CP2, CP3, CP4, CP5, CP6,
Wherein CP1 surface printings are MP11, and pattern is the printed words with black ink sign.The MPxxx of printed patterns name from top to bottom, such as
CP1 surfaces claim MP101 MP11, the CP1 back sides, the like.
Claims (7)
1. a kind of frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri-, it is characterised in that：Including cuboid antenna body, antenna sheet
Body includes six layers of green body being cascading, and between layers with circuit connection, wherein, ground floor to layer 6 is equal
With conductive through hole；4th layer of one side arranges two wires, and the surface of layer 6 arranges four pads, two pads at two ends
For ground pad, two middle pads are two feed points, wherein, a feed point for GPS/ Beidou antennas, another is
The feed point of 2.4G.
2. frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri- according to claim 1, it is characterised in that：Adjacent two layers are given birth to
Bonded by colloid between porcelain body.
3. frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri- according to claim 1, it is characterised in that：The three-frequency antenna
Overall dimensions be long 5.3 ± 0.1mm, wide 2.0 ± 0.1mm, high 1.2 ± 0.1mm.
4. frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri- according to claim 1, it is characterised in that：Ground floor is to
Three layers of a diameter of 0.08mm of conductive through hole, conductive through hole is 2.57mm apart from the minimum range of green body broadside, apart from green
The minimum range on the long side of body is 0.28mm.
5. frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri- according to claim 1, it is characterised in that：4th layer to
Six layers of a diameter of 0.08mm of conductive through hole, the minimum spacing between adjacent conductive vias is 1.38mm, and conductive through hole distance is raw
The minimum range of porcelain body broadside is 0.42mm, and the minimum range apart from the long side of green body is 0.4mm.
6. frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri- according to any one of claim 1 to 5, it is characterised in that：
Described 4th layer of two wires, wherein, one is " u "-shaped, and another is " L " shape.
7. frequency antenna components of the LTCC Big Dippeves/GPS/2.4G tri- according to any one of claim 1 to 5, it is characterised in that：
Two feed points are equal with adjacently the distance between pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146857.5U CN206180101U (en) | 2016-10-21 | 2016-10-21 | Three frequency chip antenna of LTCC big dipper GPS2. 4G |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146857.5U CN206180101U (en) | 2016-10-21 | 2016-10-21 | Three frequency chip antenna of LTCC big dipper GPS2. 4G |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206180101U true CN206180101U (en) | 2017-05-17 |
Family
ID=58680639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621146857.5U Active CN206180101U (en) | 2016-10-21 | 2016-10-21 | Three frequency chip antenna of LTCC big dipper GPS2. 4G |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206180101U (en) |
-
2016
- 2016-10-21 CN CN201621146857.5U patent/CN206180101U/en active Active
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