Solid electrolytic capacitor and manufacturing method thereof

Details Solid electrolytic capacitor and manufacturing method thereof Solid electrolytic capacitor and manufacturing method thereof

2005-11-15

2005-11-15

Dinkins, Anthony (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S508000, C361S516000, C361S519000, C361S525000, C361S528000, C029S025030

Reexamination Certificate

active

06965508

ABSTRACT:
A solid electrolytic capacitor has a structure in which a dielectric layer and a metal layer are formed in this order on the surface of an anode. The anode is composed of a porous sinter of tantalum particles. The dielectric layer is composed of a dielectric oxide film formed by anodizing the surface of the anode in an aqueous solution consisting of phosphoric acid, for example. The metal layer is formed by preparing a silver paste by mixing silver particles having an average particle diameter of not larger than 0.05 μm, a protective colloid, and an organic solvent, and applying the silver paste on the surface of the dielectric layer, and drying the silver paste at a temperature of 150° C. or higher. Further, the anode is connected with an anode terminal, and the metal layer is connected with a cathode terminal through a conductive adhesive.

REFERENCES:
patent: 4463030 (1984-07-01), Deffeyes et al.
patent: 4780796 (1988-10-01), Fukuda et al.
patent: 5621608 (1997-04-01), Arai et al.
patent: 5938797 (1999-08-01), Fujiwara et al.
patent: 6327138 (2001-12-01), Asami et al.
patent: 63-173313 (1988-07-01), None

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