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Structure capacitor

A technology of structural capacitors and electrodes, which is applied in the field of communication, can solve problems such as increased space, unfavorable development of cavity filter miniaturization and integration, and distance that can no longer be reduced.

Active Publication Date: 2012-09-26
ANHUI TATFOOK TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the dielectric layer is provided between the two electrodes, the distance between the two electrodes cannot be reduced any further
Therefore, only the facing area of ​​the structural capacitor can be increased, resulting in an increase in the space occupied by the structural capacitor, which is not conducive to the miniaturization and integration of the cavity filter.

Method used

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Embodiment Construction

[0015] In order to improve the capacitance of the structure capacitor of the cavity filter, the invention provides a ring material with high dielectric constant. By spraying the dielectric material, the capacitance of the structural capacitor can be increased without increasing the volume of the structural capacitor.

[0016] In order to illustrate the dielectric material with high dielectric constant provided by this patent, the following is attached in conjunction with the specification figure 1 Describe in detail.

[0017] see figure 1 , which is a three-dimensional exploded schematic diagram of a structural capacitor in a preferred embodiment. The structural capacitor 100 includes a first electrode 110 and a second electrode 120 . The first electrode 110 is in the shape of a cylinder, and its interior is hollow to form a receiving space 111 . The second electrode 120 is also cylindrical and accommodated in the accommodation space 111 . The surface of the second electr...

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Abstract

The invention relates to the technical field of communications, particularly to a structure capacitor, comprising a first electrode, a second electrode, and a dielectric layer located between the first electrode and the second electrode, the dielectric layer is made of dielectric material having a high dielectric constant, the dielectric material is micron or submicron superfine powder prepared by steps of mixing magnesium carbonate, aluminum oxide, silicon dioxide, yttrium oxide and titanium oxide, milling, drying and roasting the mixture, and pelleting. The structure capacitor is provided with the dielectric layer having a high dielectric constant between the first electrode and the second electrode, so that capacitance of the structure capacitor is increased without increasing size, and integration and miniaturization of the structure capacitor are benefited.

Description

technical field [0001] This patent relates to the field of communication technology, in particular to a structural capacitor. Background technique [0002] In a base station system for mobile communications, a communication signal carrying communication data within a specific frequency range is usually transmitted through a transmitting antenna, and the communication signal is received through a receiving antenna. The signal received by the receiving antenna includes not only communication signals carrying communication data within the above-mentioned specific frequency range, but also many clutter or interference signals outside the above-mentioned specific frequency range. In order to obtain a communication signal carrying communication data within a specific frequency range transmitted by the transmitting antenna from the signal received by the receiving antenna, it is usually necessary to filter the signal received by the receiving antenna through a filter to specify a f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G4/00H01G4/08
Inventor 孙尚传周彦昭
Owner ANHUI TATFOOK TECH CO LTD
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