发明名称 |
Intense steady state electron beam generator |
摘要 |
An intense, steady state, low emittance electron beam generator is formed by operating a hollow cathode discharge plasma source at critical levels in combination with an extraction electrode and a target electrode that are operable to extract a beam of fast primary electrons from the plasma source through a negatively biased grid that is critically operated to repel bulk electrons toward the plasma source while allowing the fast primary electrons to move toward the target in the desired beam that can be successfully transported for relatively large distances, such as one or more meters away from the plasma source.
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申请公布号 |
US4942339(A) |
申请公布日期 |
1990.07.17 |
申请号 |
US19880249813 |
申请日期 |
1988.09.27 |
申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE UNITED STATES DEPARTMENT OF ENERGY |
发明人 |
HERSHCOVITCH, ADY;KOVARIK, VINCENT J.;PRELEC, KRSTO |
分类号 |
H01J3/02;H01J37/077 |
主分类号 |
H01J3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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