NASA NTRS · 19740000136
Graphite ionization vacuum gauge
Abstract
Triode gauge with electron source, electron collector, and positive ion collector made from either graphite or carbon material extends low-pressure ranges of existing gauges by changing only materials used in construction. Advantages of graphite gauge stem from physical properties of graphite (or carbon).
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Beitel, G. A., Benson, D. K.. 1974-09-01. Graphite ionization vacuum gauge. https://ntrs.nasa.gov/citations/19740000136
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