coated cathode

coated cathode

[′kōd·əd ′kāth‚ōd]
(electronics)
A cathode that has been coated with compounds to increase electron emission.
References in periodicals archive ?
Tenders are invited for Lsm coated cathode side end plate of sofc stack
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.