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Influence of clearances on turbomolecular pump performance

✍ Scribed by M. De Simon


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
312 KB
Volume
41
Category
Article
ISSN
0042-207X

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Classified abstracts 4364-4373 tungsten wire, the initiation of a discharge is found to be dependent on the filament geometry. The effect of connecting the discharge power supply to either the positive or negative leg of the filament is examined. When the emission current becomes a sizeable fraction