Solid electrolytic capacitor and manufacturing method thereof

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

2007-01-23

2007-01-23

Thomas, Eric W. (Department: 2831)

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

C361S530000, C361S532000

Reexamination Certificate

active

11347713

ABSTRACT:
A cathode foil and an anode foil, with an oxidized film layer formed on the surface and a separator interposed therebetween, are wound together to form a capacitor element, and prior to subjecting the capacitor element to chemical repair the content of the binder in the separator is adjusted to 10 to 20% with respect to the total weight of the separator. After the chemical repair, the capacitor element is immersed in mixed liquid prepared by mixing a polymerizable monomer and an oxidizing agent together with a predetermined solvent, a polymerization reaction of the electroconductive polymer is induced in the capacitor element, and a solid electrolyte layer is formed. The capacitor element is then inserted in an outer case; sealing rubber is mounted in the open-end portion and sealed with a tightening operation; and the unit is thereafter aged to form a solid electrolytic capacitor.

REFERENCES:
patent: 4910645 (1990-03-01), Jonas et al.
patent: 6307735 (2001-10-01), Saito et al.
patent: 6515847 (2003-02-01), Naraya
patent: 03-001518 (1991-01-01), None
patent: 04-058508 (1992-02-01), None

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