Cold cathode x-ray source fabricated by the CNT point emitter

被引：0
作者：
Lee, Sang Heon [1 ]
Han, Jun Soo [1 ]
Go, Han Bin [1 ]
Lee, Cheol Jin [1 ]
机构：
[1] Korea Univ, Sch Elect Engn, Seoul 136713, South Korea
来源：
2017 30TH INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE (IVNC) | 2017年
关键词：
carbon nanotube field emitter; metal mesh gate electrode; tungsten anode electrode; cold cathode x-ray source; FIELD-EMISSION;
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：
The cold cathode x-ray source was fabricated by using the point-type CNT film emitter. The CNT x-ray source consists of the CNT point emitter, the metal mesh gate electrode and the tungsten target anode electrode. Those components were mounted in a small vacuum chamber. The fabricated CNT x-ray source shows a high resolution x-ray image at a low anode current and at a low anode voltage compared to conventional thermionic x-ray sources. The achieved high performance of the cold cathode x-ray source is caused by high density electron beam emitted from the point-type CNT film emitter. Our results indicated that the point-type CNT film emitter is very useful for the CNT based cold cathode x-ray sources.
引用
收藏
页码：64 / 65
页数：2
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