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ElectroComponent Science and Technology
Volume 1 (1974), Issue 1, Pages 11-16

Trends in the Design and Performance of Tantalum Capacitors

The Plessey Co. Ltd., Northants, UK

Received 25 October 1973; Accepted 15 November 1973

Copyright © 1974 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper shows the type of development that has occurred over recent years in tantalum capacitors, with particular reference to the sintered tantalum powder – liquid electrolyte (wet Ta) system. In the ‘wet’ system, the various defects that arise, such as silver migration, scintillation and field crystallisation, are illustrated and the effect of improvement in initial particle shapes on final surface area is considered.