Process and apparatus for producing organic solid electrolyte ca

Details Process and apparatus for producing organic solid electrolyte ca Process and apparatus for producing organic solid electrolyte ca

1998-06-18

2000-10-31

Niebling, John F.

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

361523, 361529, 361535, 204227, 204228, H01G 900

Patent

active

061395927

ABSTRACT:
The object of the invention is to provide a process for producing an organic solid electrolyte capacitor which is diminished in leakage current, and an apparatus for use in practicing the process. The process includes the steps of completing a capacitor element by forming a dielectric oxide film over an anode body of valve metal and subsequently forming a cathode layer of solid conductive organic material over the oxide film, subjecting the capacitor element to an aging treatment, and forming a shell around the capacitor element. The apparatus, which is an aging apparatus for such capacitor elements, comprises a box for accommodating a plurality of capacitor elements, a conductive buffer layer provided inside the box, a conductive holding member disposed on the box for attaching thereto the outer end of anode lead of each of the capacitor elements, with a silver paste layer of the element in contact with the buffer layer, a current limiter connected to the buffer layer for restricting the current to be passed through the capacitor element to not greater than a predetermined value, and a power source having positive and negative electrodes connected to the holding member and the current limiter, respectively.

REFERENCES:
patent: 3825802 (1974-07-01), Kumagai et al.
patent: 4017773 (1977-04-01), Cheseldine
patent: 4067786 (1978-01-01), Hilbert et al.
patent: 4090288 (1978-05-01), Thompson et al.
patent: 4785380 (1988-11-01), Harakawa et al.
Unexamined Japanese Patent Publication HEI. 5-21,286 together with Patent Abstract of Japan thereof.
Unexamined Japanese Patent Publication HEI. 7-245,245 together with Patent Abstract of Japan thereof.
Unexamined Japanese Patent Publication HEI. 8-255,732 together with Patent Abstract of Japan thereof.

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