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 ?
Diamondtron NF CRT with improved S-NX DBF (Dynamic Beam Forming) electron gun and high-contrast optical-quality anti-reflection coating -- Industry's only dispersed scandium oxide, coated cathode for long-life at high brightness levels -- .
DIAMONDTRON NF CRT with improved P-NX DBF (Dynamic Beam Forming) electron gun and high-contrast optical-quality anti-reflection coating; -- Industry's only scandium oxide, sputtered tungsten coated cathode for long-life brightness; -- .
Dispenser cathodes, emissive material embedded in appropriate metallic substrates, operated at temperatures substantially below the coated cathodes they replaced.
Dow Energy Materials, a global business unit of The Dow Chemical Company, offers coated anodes and coated cathodes, two of the critical components for battery cells.
Dispenser cathodes, emissive material embedded in appropriate metallic substrates, operate at temperatures substantially below the coated cathodes which they replace.