A cathode designed to be heated in order to emit electrons.
Example sentencesExamples
- Also at Cathodeon he was working on hot cathodes in lamps used in analytical instrumentation.
- Many of these concepts are generally applicable to most hot cathode ionization gauges and will be discussed.
- Nevertheless, glass gauges for the time being do remain the most popular hot cathode sensors.
- Filserv produces a range of hot cathode ionisation gauges of the triode and Bayard Alpert type.
- The microwave amplification devices used in space today are based on what's known as hot cathode technology.