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Voltage focusing of a telefocus electron gun

 

作者: V. K. Rasmussen,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1975）
卷期: Volume 46, issue 12  

页码: 1711-1712

 

ISSN:0034-6748

 

年代: 1975

 

DOI:10.1063/1.1134122

 

出版商: AIP

 

数据来源: AIP

 

摘要:

An electron gun based on Steigerwald’s design is described. It is of particular interest in that large changes in the cathode to focus distance can be effected by changing the voltage on one electrode, which operates at moderate voltages with respect to the cathode.

 

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