Solid electrolytic capacitor

Details Solid electrolytic capacitor Solid electrolytic capacitor

2007-12-27

2010-06-22

Thomas, Eric (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C029S025030

Reexamination Certificate

active

07742281

ABSTRACT:
The present invention is a solid electrolytic capacitor having a dielectric coating film, a solid electrolytic layer, and a cathode lead-out layer on a peripheral surface of an anode body in this order, in which the solid electrolytic layer is equipped with at least a first electrolytically polymerized layer and a second electrolytically polymerized layer formed by electrolytic polymerization of the same monomer, and the first electrolytically polymerized layer and the second electrolytically polymerized layer contain a different dopant. With this configuration, a solid electrolytic capacitor is provided that is superior in an ESR characteristic and also superior in heat resistance without deteriorating leakage current.

REFERENCES:
patent: 4858078 (1989-08-01), Morimoto et al.
patent: 5812367 (1998-09-01), Kudoh et al.
patent: 6430033 (2002-08-01), Mitsui et al.
patent: 2005-116777 (2005-04-01), None

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