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Microstrip line

A technology of microstrip line and metal strip, applied in the field of microstrip line, can solve the problems of microstrip line electromagnetic wave crosstalk, space wave leakage, etc., and achieve the effect of reducing the basis weight, low water absorption, and suppressing space wave leakage

Inactive Publication Date: 2013-04-10
深圳光启创智科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to overcome the defects of the space wave leakage of the high-order mode of the microstrip line in the prior art, and

Method used

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Embodiment 1

[0029] like figure 2 As shown, the present invention constructs a microstrip line, which includes a metal strip 10, a dielectric substrate 30, and a ground plane 20, wherein the metal strip 10 and the ground plane 20 are respectively distributed on two sides of the dielectric substrate 30. side, and the metal strip 10 is closely attached to the dielectric substrate 30 by means of a printed circuit board.

[0030] In a preferred embodiment of the present invention, the ground plate 20 is closely attached to the lower side of the dielectric substrate 30. In order to suppress the leakage of the space wave form generated during the electromagnetic wave transmission of the metal strip 10, a FR filled with glass beads is used. -4 is used as a dielectric substrate 30, thereby reducing electromagnetic wave crosstalk between adjacent microstrip lines.

[0031] The above-mentioned reduction of electromagnetic crosstalk between adjacent microstrip lines is mainly due to the FR-4 filled...

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Abstract

The invention relates to the field of microstrip line. The microstrip line comprises a metal strip, a dielectric substrate and an earth plate, wherein the dielectric substrate is formed by an FR (fire resistance)-4 filled with glass beads, the metal strip and the earth plate are respectively arranged on the two sides of the dielectric substrate and all appressed to the dielectric substrate. The microstrip line utilizing the FR-4 filled with glass beads as the dielectric substrate can adjust the refractive index distribution inside the dielectric substrate, thereby effectively inhabiting the space wave leakage of the microstrip line and solving the problem of electromagnetic wave crosstalk between the adjacent microstrip lines.

Description

technical field [0001] The invention relates to the field of microwave communication, more specifically, to a microstrip line. Background technique [0002] Microstrip Line (Microstrip Line) is currently the most widely used planar transmission line in Hybrid Microwave Integrated Circuits (HMIC) and Monolithic Microwave Integrated Circuits (MMIC). From a structural point of view, the microstrip line is placed on a ground plate by a very thin metal strip at an interval much smaller than the wavelength, and the metal strip and the ground plate are separated by a dielectric substrate. [0003] The outstanding advantages of microstrip lines are compact structure and light weight. Complex microwave circuits can be made in a small volume by stereolithography, photolithography, corrosion and other processes, and it is easy to integrate with other microwave devices to realize microwave components and systems. integration. [0004] With the miniaturization of microwave components a...

Claims

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Application Information

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IPC IPC(8): H01P3/08
CPCH01P3/081
Inventor 刘若鹏季春霖岳玉涛李星昆
Owner 深圳光启创智科技有限公司