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Porous tungsten relativistic electron beam cathodes compared with carbon cathodes

 

作者: Hidenori Matsuzawa,   Hisashi Kanai,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1983）
卷期: Volume 54, issue 4  

页码: 508-509

 

ISSN:0034-6748

 

年代: 1983

 

DOI:10.1063/1.1137407

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Porous tungsten cathodes have electron emission characteristics similar to those of plain carbon cathodes, and carbon cathodes with many grooves on the front surface and with silicon resin coating on the lateral surface are superior in emission current to plain carbon cathodes by a factor of 50%.

 

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