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thermoelectron

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thermoelectron [¦thər·mō·i′lek‚trän]
(electronics)
An electron liberated by heat, as from a heated filament. Also known as negative thermion.


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Gas to be tested is ionized when it collides with the thermoelectrons discharged from the high-temperature filament, and the ions that are thereby created accelerate and converge into the mass spectrometer.
Gas to be tested is ionized when it collides with the thermoelectrons discharged from the high-temperature filament, and the ions that are thereby created accelerate and converge into the mass spectrometer.
 
 
 
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