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Title:
LEAD WIRE TERMINAL, ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING LEAD WIRE TERMINAL
Document Type and Number:
Japanese Patent JP2021197471
Kind Code:
A
Abstract:
To inexpensively manufacture a lead wire terminal having high quality.SOLUTION: A lead wire terminal 1 for an electrolytic capacitor includes: a tab terminal 10 having a rolling part 12 formed into a flat shape by press working a part in an axial direction of a metal wire 11 formed with a primary chemical conversion coating 70 to the entire outer peripheral surface, and a rod-like part 18 composed of the other part of the metal wire; a metal lead wire 20 welded to a tip of the rod-like part; a welding part 22 formed between the rod-like part and the lead wire; a secondary chemical conversion coating 72 formed only in the entire outer surface of a first partial region that is a region from a position separated in an axial direction from the rod-like part in the rolling part by a predetermined length to a tip of the rolling part; a first resin layer 74a covering the entire outer surface of the rod-like part; a second resin layer 74b covering the entire outer surface of the welding part; and a third resin layer 74c covering the entire outer surface of a predetermined region including at least a second partial region that is a region excluding the first partial region in the rolling part.SELECTED DRAWING: Figure 2A

Inventors:
SHIMIZU AKINOBU
NISHINOMIYA HIDESHIGE
NAKAMURA TAKESHI
TANI HIDEKAZU
Application Number:
JP2020103722A
Publication Date:
December 27, 2021
Filing Date:
June 16, 2020
Export Citation:
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Assignee:
KOHOKU KOGYO KK
International Classes:
H01G9/008; H01G9/00; H01G9/10; H01G9/145; H01G9/15; H01G13/00
Domestic Patent References:
JP2001210551A2001-08-03
JP2018022878A2018-02-08
Attorney, Agent or Firm:
Patent business corporation Prospec patent office