Electrolytic capacitor

An electrolytic capacitor and electrical connection technology, applied in the direction of electrolytic capacitors, capacitors, capacitor terminals, etc., can solve the problems of productivity inhibition, reduction of electrolytic capacitor characteristics, and ESL increase, and achieve the effect of ESL reduction.
CN102005298AActive Publication Date: 2011-04-06SANYO ELECTRIC CO LTD +1
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
SANYO ELECTRIC CO LTD
Publication Date
2011-04-06

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Abstract

A both-side pressed terminal is connected as a first anode (cathode) lead tab terminal to an anode (a cathode) foil. A first connection surface of a connection portion of a one-side pressed terminal as a second anode (cathode) lead tab terminal is connected to an inner circumferential surface of the anode (cathode) foil. A position in a radial direction of a lead of the second anode (cathode) lead tab terminal is shifted inward to be in registration with a position in a radial direction of a lead of the first anode (cathode) lead tab terminal. Thus, an electrolytic capacitor free from position displacement of an anode (a cathode) lead tab terminal while maintaining characteristics as an electrolytic capacitor can be obtained.
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Description

technical field

[0001] The present invention relates to an electrolytic capacitor, and particularly to an electrolytic capacitor in which an anode foil, a cathode foil, and the like are wound. Background technique

[0002] As one of the forms of electrolytic capacitors, there is an electrolytic capacitor formed by winding a separator paper between an anode foil and a cathode foil.

[0003] Here, as such a wound type electrolytic capacitor, a method of manufacturing an electrolytic capacitor having a two-terminal (one anode terminal + one cathode terminal) structure will be described. First, if Figure 52 As shown, strip-shaped anode foil 103 , cathode foil 104 , and two sheets of separator paper 105 , 106 each having a predetermined length are prepared. As the anode foil, for example, an aluminum foil on which a dielectric oxide film is formed is used, and as the cathode foil, an aluminum foil is used.

[0004] An anode lead terminal 110 is connected to a predetermined pos...

Claims

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