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Antenna made of high dielectric microwave composite material

A composite function, high-dielectric technology, used in antennas, antenna parts, waveguide-type devices, etc., can solve the problems of increased surface wave loss, poor antenna radiation efficiency, and difficulty in application, and achieve high radiation efficiency and gain. Effect

Inactive Publication Date: 2006-11-22
上海联能科技有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But for antenna applications, as the dielectric constant increases, the surface wave loss continues to increase, the radiation efficiency of the antenna is getting worse, and the bandwidth is relatively narrow, so this material is difficult to apply in the antenna

Method used

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  • Antenna made of high dielectric microwave composite material
  • Antenna made of high dielectric microwave composite material
  • Antenna made of high dielectric microwave composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, a high-dielectric microwave composite functional material antenna, the high-dielectric microwave composite functional material is composed of Sr 1-x Ba x TiO 3 High dielectric microwave ceramic materials. Using the high-medium microwave ceramic material as a medium, a periodic electromagnetic bandgap structure is prepared on the surface of the medium by standard photolithography or electroless plating. The electromagnetic bandgap structure in the figure can be made of copper, silver, aluminum or gold. Such as figure 2 As shown, the electromagnetic band gap structure 2 is a planar structure composed of a plurality of square unit cells, and the unit cell is composed of two curved wires 22 perpendicular to each other arranged in the middle of the unit cell and four wires separated by the wires 22. The conductive block 21 is composed of the conductive block 21, and the conductive block 22 and the conductive block 21 are interconnected in the ...

Embodiment 2

[0030] Such as image 3 As shown, the electromagnetic bandgap structure is a planar structure composed of a plurality of square unit cells, the edge of the unit cell is provided with four blank bars parallel to the four sides of the unit cell, and the middle part of the unit cell is provided with two mutually perpendicular and parallel A period of interconnected square waveform blank strips, the two ends of each blank strip communicate with the middle of the two blank strips, and the part of the unit cell structure except the blank strip and the blank strip is a conductive block.

Embodiment 3

[0032] Such as Figure 4 As shown, the electromagnetic bandgap structure is a planar structure composed of a plurality of square unit cells, the edge of the unit cell is provided with four conductive strips parallel to the four sides of the unit cell, and the middle part of the unit cell is provided with two mutually perpendicular and parallel A period of interconnected square-wave conductive strips, the two ends of each conductive strip communicate with the middle of the two conductive strips.

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PUM

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Abstract

The invention discloses an antenna of high-dielectric microwave composite function, which is characterized by the following: the material adopts Sr1-xBaxTiO3(X=0.05-0.95) high-dielectric microwave ceramic material with surface containing periodical electromagnetic band-gap structure, which can be antenna base material as well as radiation dielectrics; this new method minimizes the bulk, which guarantees radiation efficiency and benefit for GPS(f=1.575GHz),2G PCS(f=1.8GHz),3G PCS(f=1.7-2.1GHz),802.11Blue Tooth communication (f=2.4-2.5GHz) and 802.16 WIMAX(f=3.4-3.53GHz) wireless communication domain.

Description

technical field [0001] The invention relates to a high dielectric microwave composite functional material antenna. Background technique [0002] With the rapid development of communication technology, the requirements for miniaturization and integration of communication devices are increasing day by day. Microwave ceramic materials with high dielectric constant, high thermal stability, and low loss can meet the requirements of miniaturization and integration of communication components, and are widely used in various communication components. Electromagnetic Bandgap (EBG), also known as Phototic Bandgap (PBG) or photonic crystal, is a new concept and new material proposed in the late 1980s. It is composed of different A new type of composite functional material formed by periodically arranging or introducing an artificial periodic structure into a conventional dielectric material with a dielectric constant. Due to the existence of the periodic electromagnetic bandgap struc...

Claims

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Application Information

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IPC IPC(8): H01Q1/00H01P1/20H01Q1/38H01Q13/00
CPCH01P1/2005
Inventor 贺连星刘晓晗殷杰羿丁振宇资剑李毅
Owner 上海联能科技有限公司