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Title:
コンデンサおよびその製造方法
Document Type and Number:
Japanese Patent JP6702309
Kind Code:
B2
Abstract:
In a capacitor using a capacitor element having an anode foil and a cathode foil wound with a separator interposed between the anode foil and the cathode foil, the separator includes a low insulation part having a low insulation function between the anode foil and the cathode foil, and the low insulation part may be included within a range of 90 % in a central portion in a height direction of the capacitor element and within a range of 5 to 90 % in a diametrical direction from the center of the capacitor element. As a result, when the capacitor falls into an abnormal state, a damage of a case or a sealing plate can be avoided, and abnormal situations such as the capacitor element protruding out of the case can be avoided.

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Inventors:
Makoto Shimizu
Makoto Nakabayashi
Nobuyuki Yamazaki
Application Number:
JP2017509256A
Publication Date:
June 03, 2020
Filing Date:
March 22, 2016
Export Citation:
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Assignee:
Nippon Chemi-Con Co., Ltd.
International Classes:
H01G9/02; H01G9/00; H01G9/048; H01G11/52
Domestic Patent References:
JP2011192784A
JP2000164467A
JP25878U
JP10144283A
Attorney, Agent or Firm:
Shoichi Uemoto
Unemoto succession
Takuya Unemoto
Masaki Okita