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Transmission line and electronic component

A technology of transmission lines and electronic components, applied in the field of microwave transmission lines and electronic components

Inactive Publication Date: 2016-01-20
TDK CORPARATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The losses of the resonator are basically caused by the conductor losses

Method used

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  • Transmission line and electronic component
  • Transmission line and electronic component
  • Transmission line and electronic component

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0036] Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, refer to Figure 1 ~ Figure 3 The configurations of the transmission line and electronic components according to the first embodiment of the present invention will be described. figure 1 It is a perspective view showing a transmission line and electronic components according to this embodiment. figure 2 is from figure 1 A side view of the electronic component viewed from direction A. image 3 yes means figure 1 A cross-sectional view of the section of the transmission line shown.

[0037] Such as Figure 1 ~ Figure 3 As shown, the electronic component 1 according to this embodiment includes the transmission line 2 according to this embodiment. The transmission line 2 includes: a line portion 10 having a first relative permittivity consisting of a first dielectric and conductive fillers dispersed in the dielectric, and a surrounding dielectric composed of a s...

Embodiment 1

[0057] BaTiO 3 , SrTiO 3 , MnO powder was weighed at a molar ratio of 0.25:0.75:0.002, and mixed with pure water and a commercially available anionic dispersant through a ball mill for 24 hours to obtain a mixed slurry. After heating and drying the mixed slurry at 120°C, crush it with an agate mortar, pass it through a #300 mesh sieve and granulate it, put it into an alumina crucible and pre-fire it at a temperature range of 1200-1240°C for 2 hours , to obtain the first dielectric material (0.25BaO 0.75SrO)TiO 2 +0.002MnO.

[0058] The above-mentioned first dielectric material was taken, and the Pd metal powder with a particle size of 1 μm was weighed to make it 30% by volume of the volume after mixing the above-mentioned first dielectric material and Pd metal powder, and mixed with ethanol by a ball mill for 24 hours. . After the mixed slurry was heated and dried stepwise at 80° C. to 120° C., it was crushed with an agate mortar and passed through a #300 mesh sieve to obt...

Embodiment 2

[0062] CaCO 3 、TiO 2 The powder is weighed at a molar ratio of 1:1 to obtain CaTiO 3 The material of the transmission line was produced by the same method as in Example 1 except that the second dielectric material was used.

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PUM

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Abstract

The invention provides a transmission line and an electronic component capable of high-effectively transmitting electromagnetic wave ranging from 1GHz to 10GHz of more than one frequency. The transmission line comprises: a line part having a first relative dielectric constant, is composed of a first dielectric and conductor fillers dispersed in the dielectric; a circumferential dielectric part, having a second relative dielectric constant and is composed of a second dielectric. The circumferential dielectric part is present in the periphery of the line part of a cross section perpendicular to the transmission direction of the electromagnetic wave of the line part. The line part has a relative dielectric constant of more than 600. The relative dielectric constant of the second dielectric is smaller than that of the line part. Therefore, the line part can high-effectively transmitting electromagnetic wave ranging from 1GHz to 10GHz of more than one frequency.

Description

technical field [0001] The present invention relates to a microwave transmission line and an electronic component constituting a resonator in a frequency band below 10 GHz. Background technique [0002] Microwave frequency bands, especially frequency bands from 1 GHz to 10 GHz are widely used in short-range wireless communication or mobile communication. There are strong demands for miniaturization and thinning of communication devices used in the above-mentioned communications, and there are also strong demands for miniaturization and thinning of electronic components used in the communication devices. [0003] Generally, when transmitting high-frequency signals in the 1 GHz to 10 GHz frequency band, a transmission line having a structure combining a conductor and a dielectric, such as a coaxial line, a strip line, a microstrip line, and a coplanar line, is used. [0004] Some of the electronic components used in communication devices include resonators like bandpass filte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P3/16
CPCH01P7/10
Inventor 福井隆史畑中洁樱井俊雄户莳重光
Owner TDK CORPARATION