Tubular capacitor with metal caps

Details Tubular capacitor with metal caps Tubular capacitor with metal caps

1978-10-26

1980-04-08

Goldberg, E. A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361321, H01G 114

Patent

active

041975707

ABSTRACT:
A pair of metal caps pressed onto the opposite ends of a ceramic dielectric tube have each a plurality of circumferentially spaced inward projections which are embedded in either inner or outer electrodes formed on the ceramic tube. Each inward projection of each metal cap is further soldered to one of the electrodes, preferably by melting a thin solder layer which has plated over the metal cap, thereby establishing or reinforcing the mechanical and electrical contact between electrodes and metal caps. Semiflexible sealing joints consisting essentially of epoxy resin of the bisphenol A type are formed at least between electrodes and metal caps to hermetically seal the capacitor. An external covering comprising one or more layers of plastics material is formed at least over the sealing joints at a region therebetween.

REFERENCES:
patent: 3233028 (1966-01-01), Topdari et al.

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