Improved electrical insulation of vacuum gaps utilizing SiOx coatings
被引:0
作者:
Allen, RJ
论文数: 0引用数: 0
h-index: 0
机构:
Old Dominion Univ, Phys Elect Res Inst, Norfolk, VA 23508 USAOld Dominion Univ, Phys Elect Res Inst, Norfolk, VA 23508 USA
Allen, RJ
[1
]
Schoenbach, KH
论文数: 0引用数: 0
h-index: 0
机构:
Old Dominion Univ, Phys Elect Res Inst, Norfolk, VA 23508 USAOld Dominion Univ, Phys Elect Res Inst, Norfolk, VA 23508 USA
Schoenbach, KH
[1
]
机构:
[1] Old Dominion Univ, Phys Elect Res Inst, Norfolk, VA 23508 USA
来源:
11TH IEEE INTERNATIONAL PULSED POWER CONFERENCE - DIGEST OF TECHNICAL PAPERS, VOLS. 1 & 2
|
1997年
关键词:
D O I:
暂无
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号:
0808 ;
0809 ;
摘要:
Thin film coatings have been applied to metal electrodes in vacuum to increase the breakdown voltage. Through careful cleaning and polishing of uncoated stainless steel electrodes a breakdown field >50MV/m was obtained with a uniform field over a 1cm(2) cathode area. When coated with 2 mu m of SiOx the field emission current was reduced by up to at least three orders of magnitude and the breakdown field was increased to >100MV/m in every case. Recent improvements in the cleaning procedure of the metal surface have resulted in an increase of the breakdown strength to more than 140MV/m which is the largest field known to have been measured over a large area cathode.