SOLID ELECTROLYTIC CAPACITOR ELEMENT, SOLID ELECTROLYTIC CAPACITOR, AND SOLID ELECTROLYTIC CAPACITOR ELEMENT MANUFACTURING METHOD

WIPO Patent Application WO/2024/014469

A1

A solid electrolytic capacitor element 1 comprising: a valve metal substrate 10 that has a metal substrate layer 11 and a porous layer 12 on the metal substrate layer 11, and has an anode terminal region 13 and a cathode formation region 14; a dielectric layer 20 that is provided on the surface of the porous layer 12 in the cathode formation region 14; a solid electrolyte layer 30 that is provided on the porous layer 12 in the cathode formation region 14 with the dielectric layer 20 therebetween; a conductive layer 40 that is formed on the solid electrolyte layer 30; and a mask 50 that has a first portion 51 and a second portion 52, wherein the first portion 51 separates the anode terminal region 13 and the cathode formation region 14 and is in contact with the porous layer 12 either via the dielectric layer 20 or directly, the second portion 52 covers the solid electrolyte layer 30 provided on the porous layer 12, and the mask 50 does not cover the conductive layer 40.

WO/2001/026123	CAPACITOR POWDER COMPOSITION, SINTERED BODY MADE OF THE COMPOSITION, AND CAPACITOR MADE OF THE SINTERED BODY
JP2002246275	ANODE ELEMENT FOR ELECTROLYTIC CAPACITOR, ELECTROLYTIC CAPACITOR COMPRISING IT AND METHOD FOR MANUFACTURING ANODE ELEMENT FOR ELECTROLYTIC CAPACITOR
JP2004238670	ELECTRODE MATERIAL FOR CAPACITOR, ITS MANUFACTURING METHOD, AND ELECTROLYTIC CAPACITOR

MITA TOSHIMITSU (JP)

PCT/JP2023/025689

January 18, 2024

July 12, 2023

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MURATA MANUFACTURING CO (JP)

H01G9/052; H01G9/00; H01G9/048

JPH0794369A	1995-04-07
JPH06349689A	1994-12-22
JP2018032768A	2018-03-01

WISEPLUS IP FIRM (JP)

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