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Ring ceramic dielectric capacitors

A ceramic dielectric and capacitor technology, applied in the field of capacitors, can solve problems such as the inability to meet the requirements of high-voltage and high-power filtering

Inactive Publication Date: 2006-02-08
GUANGDONG FENGHUA BANGKE ELECTRONIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the multilayer feedthrough capacitor is mainly suitable for low-power high-frequency filtering, and cannot meet the filtering requirements of high-voltage and high-power

Method used

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  • Ring ceramic dielectric capacitors
  • Ring ceramic dielectric capacitors
  • Ring ceramic dielectric capacitors

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Embodiment 1

[0051] Such as figure 1 , 2 , shows an annular ceramic dielectric capacitor, the ceramic dielectric capacitor includes two sets of inner electrodes 4, 5, the inner electrode 4 is connected to the inner ring end electrode 2, and the inner electrode 5 is connected to the outer ring end electrode 3; each set The internal electrodes 4, 5 respectively include multi-layer conductive films 4i, 5i parallel to each other, and there is a ceramic dielectric film layer 1j between the adjacent conductive films 4i, 5i belonging to different internal electrodes, and the dielectric film layer 1j and the internal electrode 4 The conductive films of , 5 are stacked alternately; the top and bottom of the capacitor also include a ceramic dielectric protection layer 1k, and the dielectric film layer 1j is laminated together with the dielectric protection layer 1k to form a homogeneous capacitor body 1; and the dielectric protection layer 1k, The dielectric film layers 1j are all annular bodies, t...

Embodiment 2

[0055] Such as figure 1 , 3 , shows an annular ceramic dielectric capacitor, the ceramic dielectric capacitor includes two sets of inner electrodes 4, 5, the inner electrode 4 is connected to the inner ring end electrode 2, and the inner electrode 5 is connected to the outer ring end electrode 3; each set The internal electrodes 4 and 5 respectively include multilayer conductive films 4i and 5i parallel to each other, and the adjacent conductive films 4i and 5i belonging to different internal electrodes are separated by a ceramic dielectric film layer 1j, the dielectric film layer 1j and the internal electrode conductive film 4i, 5i are stacked alternately; the top and bottom of the capacitor also include a ceramic dielectric protective layer 1k, and the dielectric film layer 1j is laminated with the dielectric protective layer 1k to form a homogeneous capacitor body 1; and the dielectric protective layer 1k, dielectric film layer 1j is a ring body, the conductive films 4i an...

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Abstract

The invention relates to a cyclic ceramic dielectric capacitor, which comprises two sets internal electrodes. Every set internal electrode is connected with a terminal electrode and comprises one or more layers conductive films, between the adjacent conductive films that belong to different internal electrodes is ceramic dielectric membrane lay that alternately lap on the internal electrode conductive film; the dielectric membrane and protective layer are laminated into homogeneous capacitor and both present as circularity, conductive films of the two sets internal electrodes are cyclic and the capacitor is cylinder with holes; the terminal electrode comprises outer-ring and inner-ring ones, wherein the metallized films of the inner-ring and outer-ring terminal electrode separately cover on the inner wall of the through-hole and the outer wall of the cylinder.

Description

【Technical field】 [0001] The present invention relates to a capacitor, and more specifically, the present invention relates to a ring-shaped high-frequency filter capacitor and a preparation method thereof. 【Background technique】 [0002] In recent years, along with the digitalization of information processing equipment and communication equipment, and the speeding up of information processing capability, the digital signals processed by these equipments are obviously rapidly increasing in frequency. Therefore, the noise generated in these devices tends to develop further into the high-frequency band. On the other hand, with the high voltage, miniaturization and high power of these devices, the elimination of high-power high-frequency interference clutter has been quickly listed as a subject of technical transformation in related fields. [0003] In order to eliminate high-frequency noise, electronic components that can prevent electromagnetic wave interference or suppress ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G4/12H01G4/005H01G4/008H01G4/002
Inventor 欧明陈琳吴浩谭斌黄浩陈杰李洁芳
Owner GUANGDONG FENGHUA BANGKE ELECTRONIC CO LTD
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