Tubular capacitor with metal caps

Details Tubular capacitor with metal caps Tubular capacitor with metal caps

Filed on

1978-10-26

Date issued

1980-04-08

Examiner

Goldberg, E. A.

Patent Class

Electricity: electrical systems and devices

SubClass

Electrostatic capacitors

SubSubClass

Fixed capacitor

Other Related Categories

361321, H01G 114

Type

Patent

Status

active

Patent number

041975707

Description

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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