coated cathode

coated cathode

[′kōd·əd ′kāth‚ōd]
(electronics)
A cathode that has been coated with compounds to increase electron emission.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Dispenser cathodes, emissive material embedded in appropriate metallic substrates, operated at temperatures substantially below the coated cathodes they replaced.
Dispenser cathodes, emissive material embedded in appropriate metallic substrates, operate at temperatures substantially below the coated cathodes which they replace.