公开(公告)号：US10121599B2

公开(公告)日：2018-11-06

申请号：US15954179

申请日：2018-04-16

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Tatsuji Aoyama ,  Tomoyuki Tashiro ,  Junya Kushizaki ,  Shunpei Matsushita

IPC: H01L21/20 ,  H01G9/00 ,  H01G9/02 ,  H01G9/035 ,  H01G9/07 ,  H01G9/145 ,  H01G9/008 ,  H01G9/15 ,  H01L49/02 ,  H01L23/522 ,  H01L27/08

Abstract: A method for producing an electrolytic capacitor includes: a first step of preparing a capacitor element that includes an anode body on which a dielectric layer is formed; a second step of impregnating the capacitor element with a first treatment solution containing a first solvent and a conductive polymer; a third step of impregnating, after the second step, the capacitor element with a second treatment solution containing a second solvent; and a fourth step of impregnating, after the third step, the capacitor element with an electrolyte solution containing a third solvent. Both the second solvent and the third solvent are an aprotic solvent.

公开(公告)号：US09978526B2

公开(公告)日：2018-05-22

申请号：US15375288

申请日：2016-12-12

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tatsuji Aoyama ,  Tomoyuki Tashiro ,  Junya Kushizaki ,  Shunpei Matsushita

IPC: H01L21/20 ,  H01G9/00 ,  H01G9/035 ,  H01G9/07 ,  H01G9/02 ,  H01G9/145 ,  H01G9/008 ,  H01G9/15

CPC classification number: H01G9/0032 ,  H01G9/0029 ,  H01G9/008 ,  H01G9/02 ,  H01G9/028 ,  H01G9/035 ,  H01G9/07 ,  H01G9/145 ,  H01G9/15 ,  H01L23/5227 ,  H01L27/08 ,  H01L28/10 ,  H01L28/40

Abstract: A method for producing an electrolytic capacitor according to the present disclosure is characterized by including a first step of preparing a capacitor element that includes an anode body on which a dielectric layer is formed; a second step of impregnating the capacitor element with a first treatment solution containing a first solvent and a conductive polymer; a third step of impregnating, after the second step, the capacitor element with a second treatment solution containing a second solvent; and a fourth step of impregnating, after the third step, the capacitor element with an electrolyte solution containing a third solvent, both the second solvent and the third solvent being a protic solvent.

公开(公告)号：US10340089B2

公开(公告)日：2019-07-02

申请号：US15378227

申请日：2016-12-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tatsuji Aoyama ,  Yukiya Shimoyama ,  Junya Kushizaki ,  Takuya Maruta

IPC: H01G9/00 ,  H01G9/028 ,  H01G9/02 ,  H01G9/035 ,  H01G9/07

Abstract: A method for producing an electrolytic capacitor according to the present disclosure includes a first step of preparing a capacitor element that includes an anode body having a dielectric layer; a second step of impregnating the capacitor element with a first treatment solution containing at least a conductive polymer and a first solvent; and a third step of impregnating, after the second step, the capacitor element, in which at least a part of the first solvent remains, with a second treatment solution containing a coagulant to coagulate the conductive polymer.

公开(公告)号：US09892858B2

公开(公告)日：2018-02-13

申请号：US15323386

申请日：2015-06-26

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Tatsuji Aoyama ,  Yukiya Shimoyama ,  Junya Kushizaki ,  Takuya Maruta

IPC: H01G9/00

CPC classification number: H01G9/0032 ,  H01G9/0036 ,  H01G9/028

Abstract: A method for manufacturing an electrolytic capacitor includes: a first step of preparing a capacitor element including an anode having a dielectric layer; a second step of impregnating the capacitor element with a first processing solution including at least a conductive polymer and a first solvent; and a third step of swelling the conductive polymer after the second step, by impregnating the capacitor element with a second processing solution including a swelling agent while at least part of the first solvent remains in the capacitor element.