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Laminated ceramic dielectric filter capable of weakening flatness difference

A ceramic dielectric and filter technology, which is applied to waveguide devices, electrical components, circuits, etc., can solve the problems of large fluctuations in the coupling bandwidth of flatness differences, weakening flatness differences, etc., achieve excellent performance, reduce manufacturing difficulty and cost, The effect of high production pass rate

Inactive Publication Date: 2021-01-08
SUZHOU XIE CHENG HARDWARE PROD CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the shortcomings of the existing technology, the present invention provides a laminated ceramic dielectric filter that weakens the difference in flatness, which can solve the problem of large fluctuations in the coupling bandwidth of the stacked ceramic filter due to the large difference in flatness

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  • Laminated ceramic dielectric filter capable of weakening flatness difference
  • Laminated ceramic dielectric filter capable of weakening flatness difference
  • Laminated ceramic dielectric filter capable of weakening flatness difference

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the solution of the present invention, and understand the purpose, technical solution and advantages of the present invention more clearly, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with specific embodiments and with reference to the accompanying drawings. full description. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention. In addition, the terms "comprising" and "having" and any variations thereof in the description and claims of the present invention are intended to cover a non-exclusive inclusion, for example, a process, method, or device that includes a ...

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Abstract

The invention discloses a laminated ceramic dielectric filter capable of weakening flatness difference, which comprises a first dielectric resonator body and a second dielectric resonator body which are laminated up and down, and is characterized in that the lower surface of the first dielectric resonator body is provided with a first boss; the upper surface of the second dielectric resonator bodyis provided with a second boss corresponding to the first boss, the first boss is provided with a demetalized first annular strip, and the second boss is provided with a demetalized second annular strip. According to the laminated ceramic dielectric filter, the bosses are arranged on the two dielectric resonator bodies, so that the flatness difference between the dielectric resonator bodies is reduced, the stability of the coupling bandwidth of the laminated ceramic dielectric filter is improved, the manufacturing difficulty and cost are reduced, the manufacturing pass rate is high, and the performance is excellent and stable.

Description

technical field [0001] The invention relates to the field of ceramic filters, in particular to a laminated ceramic dielectric filter that weakens flatness differences. Background technique [0002] With the continuous development of communication technology, the miniaturization requirements of base station equipment are getting higher and higher, and the miniaturization of filters is also important. Traditional metal filters have been difficult to meet the current miniaturization requirements, especially in 5G communications. Applications, with higher requirements for miniaturization, small size, high performance, high power, and low-cost filter technology is particularly important for filters in wireless communication applications. [0003] Ceramic waveguide filters have the advantages of good performance, small size, and light weight. However, in the current ceramic waveguide filter industry, there are few superposition products of ceramic waveguide filters, mainly due to ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/20
CPCH01P1/2002
Inventor 周亮田富耕赵嘉炜
Owner SUZHOU XIE CHENG HARDWARE PROD CO LTD