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Electronic component and production method thereof

A technology of electronic components and components, which is applied in the direction of capacitor components, electrical components, capacitor terminals, etc., and can solve the problems of electrolytic capacitors such as 1 large

Active Publication Date: 2009-06-24
JCC ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result, the disadvantage is that the electrolytic capacitor 1 will become too large and heavy, and the electrical characteristics, especially the ESR, will increase to such as Figure 27 As large as about 3.6 times the conventional electrolytic capacitor shown in , in which only one side of each straight portion 3b of each wire 3 is protected

Method used

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  • Electronic component and production method thereof
  • Electronic component and production method thereof
  • Electronic component and production method thereof

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Embodiment Construction

[0140] Hereinafter, the present invention will be described in detail with reference to embodiments as shown in the accompanying drawings.

[0141] exist Figure 23 In, reference numeral 11 denotes an electrolytic capacitor 11, which is an example of an electrolytic component according to the present invention, and includes a capacitor element 12 formed with a plurality of electrode foils 4 rolled together with a plurality of insulating paper 5, the insulating paper 5 is interposed between electrode foils 4 including positive electrode foil 4P and negative electrode foil 4M, and insulating paper 5 including insulating papers 5A and 5B. The capacitor element 12 is also provided with a plurality of lead wires 3 including a positive electrode lead 3P and a negative electrode lead 3M each having a straight portion 3b having a predetermined width each fixed to the positive electrode foil 4P and the negative electrode foil 4M. Capacitor element 12 is also provided with protective p...

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Abstract

The invention relates to an electronic part and a production method thereof, more particularly bonds a protective paper on an insulation paper, thus improves an electric insulation characteristic between electric pole foils, and protects two sides of a flat part of the wire. The protective paper has a minimum width, prevents a radial direction substantially thickening, and further prevents an Equivalent Series Resistance (ESR) of the electronic part from increasing. A protective paper (6; 6A, 6B) wider than a wire flat part is bonded on the insulation paper (5; 5A, 5B) for transmitting the protective paper to the insulation paper (5; 5A, 5B) to roll at a basic perpendicular direction to a direction of transmission of the insulation paper (5; 5A, 5B) and an electrode foil (4; 4P, 4M) right before the insulation paper region bonded by the protective papers is rolled.

Description

technical field [0001] The present invention relates to an electronic component and a production method thereof, and more particularly, to an electrolytic capacitor which is an example of an electronic component and is of a type including a plurality of electrode foils, and a production method thereof, These electrode foils are rolled together with a plurality of insulating papers inserted between the electrode foils, the electrode foils have straight portions of wires respectively attached thereto, wherein the protective papers are respectively bonded to the insulating papers, thereby improving the electrode foils. Between electrical insulation properties, the insulating paper is in contact with both sides of the straight portion of the wire, and wherein the protective paper is bonded in such a way that the protective paper does not significantly increase the thickness of the rolled capacitor ( Diameter), and will not increase the equivalent series resistance (ESR) of the rol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/00H01G9/14H01G9/004H01G9/048H01G9/008H01G9/012H01G13/02
CPCH01G9/008H01G9/012H01G9/048H01G9/15H01G13/02
Inventor 田中浩司
Owner JCC ENG
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