Application investigation of field emitters array to microwave tubes
The Field Emitters Array (FEA) has been widely investigated for application in flat panel displays, sensors, and microwave tubes. As an electron source, it has some advantages over the thermionic cathode, such as: instant turn-on, high current density, lower power dissipation etc., and has been used...
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Published in | ICMMT 2000. 2000 2nd International Conference on Microwave and Millimeter Wave Technology Proceedings (Cat. No.00EX364) pp. 25 - 27 |
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Main Authors | , , , , , |
Format | Conference Proceeding |
Language | English |
Published |
IEEE
2000
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Abstract | The Field Emitters Array (FEA) has been widely investigated for application in flat panel displays, sensors, and microwave tubes. As an electron source, it has some advantages over the thermionic cathode, such as: instant turn-on, high current density, lower power dissipation etc., and has been used in the Klystrode and travelling wave tubes. This paper gives some preliminary research on the fabrication of a Spindt-type FEA. A proposal for the design of a magnetic field immersed FEA gun was demonstrated, then single gated microtip emitters for different magnetic fields was simulated using the particle-in-cell MAGIC package. |
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AbstractList | The Field Emitters Array (FEA) has been widely investigated for application in flat panel displays, sensors, and microwave tubes. As an electron source, it has some advantages over the thermionic cathode, such as: instant turn-on, high current density, lower power dissipation etc., and has been used in the Klystrode and travelling wave tubes. This paper gives some preliminary research on the fabrication of a Spindt-type FEA. A proposal for the design of a magnetic field immersed FEA gun was demonstrated, then single gated microtip emitters for different magnetic fields was simulated using the particle-in-cell MAGIC package. |
Author | Zhong-Hai Yang Fu-Jiang Liao Bao-Qing Zeng Jin-Jun Feng Ming-Qing Ding Xing-Hui Li |
Author_xml | – sequence: 1 surname: Jin-Jun Feng fullname: Jin-Jun Feng organization: Beijing Vacuum Electron. Res. Inst., China – sequence: 2 surname: Ming-Qing Ding fullname: Ming-Qing Ding – sequence: 3 surname: Xing-Hui Li fullname: Xing-Hui Li – sequence: 4 surname: Fu-Jiang Liao fullname: Fu-Jiang Liao – sequence: 5 surname: Bao-Qing Zeng fullname: Bao-Qing Zeng – sequence: 6 surname: Zhong-Hai Yang fullname: Zhong-Hai Yang |
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Snippet | The Field Emitters Array (FEA) has been widely investigated for application in flat panel displays, sensors, and microwave tubes. As an electron source, it has... |
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StartPage | 25 |
SubjectTerms | Cathodes Current density Electron sources Field emitter arrays Flat panel displays Magnetic fields Microwave antenna arrays Microwave sensors Power dissipation Sensor arrays |
Title | Application investigation of field emitters array to microwave tubes |
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