Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 530, Issue 3, Pages 596-606Publisher
ELSEVIER
DOI: 10.1016/j.nima.2004.04.230
Keywords
vacuum breakdown; field emission; electrode conditioning; spark testing
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An automated spark test system based on combining field emission and spark measurements, exploiting a discharging capacitor is investigated. In particular, the remaining charge on the capacitor is analytically solved assuming the field emitted current to follow the Fowler Nordheim expression. The latter allows for field emission measurements from pA to A currents, and spark detection by complete discharge of the capacitor. The measurement theory and experiments on Cu and W are discussed. (C) 2004 Elsevier B.V. All rights reserved.
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