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Modern dispenser cathodes

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1 Author(s)
Cronin, J.L ; Research & Development, Spectra-Mat Incorporated, Watsonville, USA

The paper is a review of tungsten-base dispenser cathodes. Particular emphasis is placed on the many factors that contribute to the performance of a dispenser cathode. The review includes a history of the evolution of the modern dispenser cathode, fabrication techniques and their influence on cathode performance, state-of-the-art performance characteristics for various types of dispenser cathodes and possible future developments for dispenser cathodes.

Published in:

Solid-State and Electron Devices, IEE Proceedings I  (Volume:128 ,  Issue: 1 )