Solid electrolytic capacitor and method for preparing the same

A technology of solid electrolyte and capacitor, applied in solid electrolytic capacitors, electrolytic capacitors, capacitors and other directions, can solve the problems of increasing the production cost of solid electrolytic capacitors, damaging capacitor elements 11, and deteriorating product characteristics, achieving low ESR and reducing bonding strength. The effect of deterioration and oxidation prevention

Inactive Publication Date: 2012-07-25
SAMSUNG ELECTRO MECHANICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heat thus generated affects the capacitor element 11 via the anode wire 12 and damages the thermally vulnerable capacitor element 11
[0016] Such thermal shock applied to the capacitor element 11 destroys the dielectric, leading to deterioration of product characteristics or causing product defects, which in turn increases the production cost of solid electrolytic capacitors

Method used

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  • Solid electrolytic capacitor and method for preparing the same
  • Solid electrolytic capacitor and method for preparing the same
  • Solid electrolytic capacitor and method for preparing the same

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Embodiment Construction

[0051] Hereinafter, specific embodiments of the present invention will be described with reference to the accompanying drawings. However, the following embodiments are provided as examples only, and are not intended to limit the present invention thereto.

[0052] Descriptions of well-known components and processing techniques are omitted so as not to unnecessarily obscure the embodiments of the invention. The following terms are defined in consideration of the functions of the present invention, and may be changed according to user's or operator's intention or custom. Therefore, these terms should be defined based on the contents described throughout this specification.

[0053] The technical idea of ​​the present invention should be defined by the appended claims, and the following embodiments are merely examples for effectively conveying the technical idea of ​​the present invention to those skilled in the art. .

[0054] image 3 is a cross-sectional view of a solid ele...

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Abstract

A solid electrolytic capacitor and manufacturing method, in which an oxidation-resistant coating layer configured to surround the surface of a terminal reinforcing material underlies a capacitor element. The solid electrolytic capacitor includes a capacitor element having a positive polarity internally and having one end to which an anode wire is inserted; a cathode leading-out layer; a pair of terminal reinforcing materials coupled with both bottom sides of the capacitor element; an oxidation resistant coating layer surrounding the surface of the pair of terminal reinforcing materials; a mold part surrounding the outer periphery of the capacitor element, while exposing the other end of the anode wire, the other side of the cathode leading-out layer, and the lower surfaces of the pair of terminal reinforcing materials; and anode and cathode terminals formed on both sides of the mold part and the lower surfaces of the terminal reinforcing materials.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2011-0005001 filed on Jan. 18, 2011, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a solid electrolytic capacitor and a method of manufacturing the same, wherein an anti-oxidation coating is located below the capacitor element to prevent oxidation of the terminal reinforcement material. Background technique [0004] Generally, a solid electrolytic capacitor is one of the components used to store electrical energy and block direct current from alternating current. Among such solid electrolytic capacitors, tantalum capacitors are mainly manufactured. [0005] Tantalum capacitors are used in application circuits with narrow voltage ratings, including general industrial equipment. In particular, tantalum capacitors are often used to reduce noise in circuits or portable comm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/15H01G9/004H01G9/08
CPCH01G9/012H01G9/15
Inventor 金在光郑俊锡宋长燮
Owner SAMSUNG ELECTRO MECHANICS CO LTD
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