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Multilayer Ceramic Capacitors

A technology of multilayer ceramics and capacitors, applied in the direction of multilayer capacitors, electrodes of fixed capacitors, components of fixed capacitors, etc., can solve problems such as the deterioration of the capacity concentration of multilayer ceramic capacitors

Active Publication Date: 2017-07-07
GUANGDONG FENGHUA ADVANCED TECH HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the manufacturing process of multilayer ceramic capacitors, due to the lamination alignment accuracy and other reasons, the relative position between adjacent internal electrode layers will inevitably shift, resulting in a change in the facing area of ​​adjacent internal electrode layers. Changes, leading to poor capacity concentration of multilayer ceramic capacitors

Method used

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  • Multilayer Ceramic Capacitors
  • Multilayer Ceramic Capacitors
  • Multilayer Ceramic Capacitors

Examples

Experimental program
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Embodiment Construction

[0032] Such as figure 1 Shown is the external schematic of a multilayer ceramic capacitor.

[0033] The multilayer body 10 of the multilayer ceramic capacitor is a cuboid with six surfaces, and a first external electrode 20 and a second external electrode 30 are provided on opposite short sides, respectively. The first external electrode 20 is connected to a plurality of first internal electrode layers 101 , and the second external electrode 30 is connected to a plurality of second internal electrode layers 201 .

[0034] figure 2 with image 3 They are schematic structural diagrams of the first internal electrode layer and the second internal electrode layer in an embodiment, respectively.

[0035] Please combine figure 1 , figure 2 with image 3 . A multilayer ceramic capacitor includes a multilayer body 10 having a plurality of dielectric layers 40 and a plurality of internal electrode layers stacked alternately.

[0036] The internal electrode layer includes a fi...

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Abstract

Multilayer ceramic capacitors are provided with rectangular notches on the first internal electrode layer and the second internal electrode layer, so that when the relative positions of the first internal electrode layer and the second internal electrode layer are shifted in the length direction of the multilayer body, due to the Due to the existence of the first rectangular notch and the fourth rectangular notch, the change amount of the facing area of ​​the first internal electrode layer and the second internal electrode layer is small or even remains unchanged. And when the relative position deviation occurs in the width direction of the multilayer body, due to the existence of the second rectangular notch, the third rectangular notch, the sixth rectangular notch, the fifth rectangular notch, and the seventh rectangular notch, the facing area The amount of change is small or even remains unchanged. Or the length direction and the width direction are shifted at the same time, and the same principle makes the change of the facing area small. Therefore, the capacity concentration of the multilayer ceramic capacitor can be improved, and the qualified rate of finished products can be improved.

Description

technical field [0001] The invention relates to electronic components, in particular to a multilayer ceramic capacitor with high capacity concentration. Background technique [0002] The multilayer ceramic capacitor includes a cuboid ceramic body and two external electrodes arranged at opposite ends of the ceramic body. The ceramic body includes a plurality of internal electrode layers stacked alternately and respectively connected to external electrodes of different polarities, and a plurality of dielectric layers respectively stacked between the internal electrode layers of different polarities. The shape of the internal electrode layer is generally rectangular, and adjacent internal electrode layers form a certain facing area to generate capacity. The larger the facing area of ​​adjacent internal electrode layers, the larger the capacity of the multilayer ceramic capacitor. In the manufacturing process of multilayer ceramic capacitors, due to the lamination alignment ac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G4/005H01G4/30
Inventor 陆亨祝忠勇宋子峰周锋
Owner GUANGDONG FENGHUA ADVANCED TECH HLDG
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