Solid electrolytic capacitor using a conducting polymer

Details Solid electrolytic capacitor using a conducting polymer Solid electrolytic capacitor using a conducting polymer

1998-07-23

2000-11-28

Kincaid, Kristine

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

361525, H01G 900, H01G 902

Patent

active

061543586

ABSTRACT:
In a method of making a solid electrolytic capacitor using an oxide film of an electrochemical valve metal as the dielectric and having, as solid electrolytes, first and second conducting polymer layers formed successively on the oxide film, the first and second conducting polymer layers are formed by chemical oxidative polymerization processes using an oxidizing agent, and the first conducting polymer layer (3) is formed from a compound having a lower reaction rate than the compound used to form the second conducting polymer layer (4).

REFERENCES:
patent: 5473503 (1995-12-01), Sakata et al.
patent: 5812367 (1998-09-01), Kudoh et al.
patent: 5914852 (1999-06-01), Hatanaka et al.

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