๐”– Bobbio Scriptorium
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A guard ring for a field emission gun

โœ Scribed by M. Denizart; F. Sonier; J. Trinquier; B. Jouffrey


Publisher
Elsevier Science
Year
1981
Weight
427 KB
Volume
187
Category
Article
ISSN
0167-5087

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The attempt to replace hot cathode with field emission cathode in a commercial X-ray tube have been made. We are continuing investigation of emission properties of the carbon fibers. Cathodes for X-ray tube were made from bundle of carbon fibers. The prototype provides 0.1 mA with focus spot about +