发明名称 |
Electron emitter assembly. |
摘要 |
<p>57 Disclosed herein is an electron emitter assembly for an electron gun which includes a first emitter ring, a second emitter ring, a power supply, connectors for connecting the power supply to the two electron emitter rings so that heating current flows from the power supply through the rings, and said rings being mounted so that a magnetic field formed by the second ring counteracts the magnetic field formed by the first ring.</p> |
申请公布号 |
EP0104496(A2) |
申请公布日期 |
1984.04.04 |
申请号 |
EP19830108635 |
申请日期 |
1983.09.01 |
申请人 |
THE PERKIN-ELMER CORPORATION |
发明人 |
STEINBERG, GEORGE N.;BUCKLEY, W. DEREK |
分类号 |
H01J35/00;G21K1/00;H01J1/15;H01J1/16;H01J35/06;H01J37/06;H01L21/027;(IPC1-7):01J37/06;01J1/15 |
主分类号 |
H01J35/00 |
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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