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 ?
The specific paper was selected for comparison because of similar experimental conditions, such as use of a platinum coated cathode, and graphite felt anode.
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; -- .