Multilayer ceramic capacitor
A technology of multilayer ceramics and capacitors, applied in the direction of multilayer capacitors, multiple fixed capacitors, capacitors, etc., can solve the problems of small separation distance, breakdown and burnout, increase the distance, avoid electric field concentration, and reduce the equivalent series connection The effect of inductance
Pending Publication Date: 2022-02-01
GUANGDONG FENGHUA ADVANCED TECH HLDG
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Problems solved by technology
[0002] Conventional multilayer ceramic capacitors usually adopt a series design in order to increase the withstand voltage performance. Usually, the first internal electrode and the second internal electrode in the capacitor are on the same level and directly opposite each other in the stacking direction of the dielectric layer and the internal electrode. The distance between the ends is small, especially the electric field at the corner is highly concentrated, and it is easy to break down and burn at this position
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[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0035] It should be understood that the step numbers used herein are only for convenience of description, and are not intended to limit the execution order of the steps.
[0036] It should be understood that the terminology used in the description of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the present invention. As used in this specification and the appended claims, the singular forms "a", "an"...
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Abstract
The invention discloses a multilayer ceramic capacitor, which comprises a ceramic body, a first end electrode and a second end electrode. The ceramic body comprises a plurality of dielectric layers and a plurality of inner electrodes, the upper surface and the lower surface of the ceramic body are oppositely arranged, the first end face and the second end face are oppositely arranged, and the first side face and the second side face are oppositely arranged; the first end electrode is positioned on the first end face and covers partial surfaces of the upper surface, the lower surface, the first side face and the second side face; the second end electrode is positioned on the second end face and covers partial surfaces of the upper surface, the lower surface, the first side face and the second side face; and the inner electrodes comprise a first inner electrode, a second inner electrode and a third inner electrode, one end of the first inner electrode is connected with the first end electrode, the other end of the first inner electrode and the second end electrode form a gap, one end of the second inner electrode is connected with the second end face, the other end of the second inner electrode and the first end electrode form a gap, and at least one dielectric layer is arranged between the third inner electrode and the first inner electrode and between the third inner electrode and the second inner electrode. The voltage resistance of the capacitor is improved.
Description
technical field [0001] The invention relates to the technical field of ceramic capacitors, in particular to a multilayer ceramic capacitor. Background technique [0002] Conventional multilayer ceramic capacitors usually adopt a series design in order to increase the withstand voltage performance. Usually, the first internal electrode and the second internal electrode in the capacitor are on the same level and directly opposite each other in the stacking direction of the dielectric layer and the internal electrode. The distance between the ends is small, especially the electric field at the corner is highly concentrated, and it is easy to break down and burn at this position. Contents of the invention [0003] The purpose of the present invention is to provide a multilayer ceramic capacitor. Considering the relative position of the internal electrodes with a small distance in the prior art, the electric field at the corner is highly concentrated and breakdown is prone to o...
Claims
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IPC IPC(8): H01G4/005H01G4/30H01G4/35H01G4/38H01G4/12
CPCH01G4/012H01G4/35H01G4/385H01G4/30H01G4/12
Inventor 陆亨卓金丽安可荣刘伟峰何彦颖
Owner GUANGDONG FENGHUA ADVANCED TECH HLDG