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Thermal effects on hot-cathode ionization gauges. (GB)


Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
305 KB
Volume
30
Category
Article
ISSN
0042-207X

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The choice of cathode material in a hot
โœ PE Gear ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 784 KB

The paper outlines the problems encountered in using a hot cathode ionization gauge with particular reference to the tungsten cathode. The theory of thermionic emission from metals and semiconductors is mentioned as is activation and poisoning of surfaces. Low temperature cathodes are discussed wit