cold cathode

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cold cathode

n
(Electronics) electronics a cathode from which electrons are emitted at ambient temperature, due to a high potential gradient at the surface
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Noun1.cold cathode - a cathode that is a source of electrons without being heated
cathode - a negatively charged electrode that is the source of electrons entering an electrical device
References in periodicals archive ?
recently introduced a new digital cold cathode ionization gauge that was reduced in size and cost by combining the transducer with on-board processing electronics.
Balzers' FullRange gauge, for example, combines a Pirani and cold cathode ionization gauge to measure from [10.