COMPOSITE CATHODE FOR A VACUUM-ARC SOURCE OF METAL-IONS

Authors
BATALIN VA VOLKOV YN KULEVOI TV PETRENKO SV
Citation
Va. Batalin et al., COMPOSITE CATHODE FOR A VACUUM-ARC SOURCE OF METAL-IONS, Instruments and experimental techniques, 35(6), 1992, pp. 1108-1110
Citations number
4
Categorie Soggetti
Instument & Instrumentation",Engineering
Journal title
Instruments and experimental techniques → ACNP
ISSN journal
00204412
Volume
35
Issue
6
Year of publication
1992
Part
2
Pages
1108 - 1110
Database
ISI
SICI code
0020-4412(1992)35:6<1108:CCFAVS>2.0.ZU;2-X
Abstract
A vacuum-arc source of metal ions (MEVVA) with the composite (Mosaic) molybdenum-lead cathode is investigated. Several holes were drilled in the cathode, and lead melted into them. It was found that the cathode spot goes from the molybdenum to the lead during arc discharge. The r everse transition was not observed. The presence of Pb3+ ions only dur ing the molybdenum-lead transition shows that the arc voltage diminish es during the transition. The minimum velocity of the cathode-spot mot ion is approximately 20 m/sec.