Method for the production of a solid electrolytic capacitor

Details Method for the production of a solid electrolytic capacitor Method for the production of a solid electrolytic capacitor

1978-05-11

1980-04-22

Tupman, W. C.

Metal working

Method of mechanical manufacture

Assembling or joining

427429, 361433, B01J 1700

Patent

active

041987420

ABSTRACT:
A solid electrolytic capacitor has an anode which consists of a sintered tantalum member having a dielectrically effective oxide layer located thereon and a counterelectrode consisting of semiconducting manganese dioxide. An anode wire is coated with polytetrafluorethylene in the vicinity of the point it enters the sintered member. In a method for producing such an electrolytic capacitor, the anode wire is brushed with a suspension containing the polytetrafluorethylene in a solvent in the vicinity of the wire entry point, before the manganese dioxide layer is produced, and the suspension is burnt-in for annealed after such application, where annealing occurs at a temperature of approximately 300.degree. C. over a period of time of approximately ten minutes.

REFERENCES:
patent: 3967000 (1976-06-01), Klein
patent: 4017773 (1977-04-01), Cheseldine
patent: 4090288 (1978-05-01), Thompson
patent: 4127738 (1978-11-01), Ghosh

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