简述了热解石墨、高纯各向同性石墨和无氧铜材料的二次电子发射特性,以及离子束表面改性对二次电子发射特性的影响.分析表明热解石墨和高纯各向同性石墨的二次电子发射系数均明显低于无氧铜的二次电子发射系数,并且通过离子束表面改性后二次电子发射系数能够得到进一步的降低.同样的,离子束表面改性后的无氧铜的二次电子发射系数也得到一定的降低,并且还有很大的发展空间.
参考文献
| [1] | 冯西贤,李实.多级降压收集极优化设计[J].科学技术与工程,2010(10):2308-2311,2329. |
| [2] | 马亚林.耦合腔行波管多级降压收集极的模拟设计[J].真空科学与技术学报,2009(06):624-636. |
| [3] | A.N.CURREN;T.A.FOX .Traveling-Wave Tube Efficiency Improvement with Textuered Pyrolytic Graphite Multistage Depressed Collector Electrodes[J].IEEE Electron Device Letters,1981,EDL-2(10):252-254. |
| [4] | A.N.CURREN;K.A.Jensen .Secondary electron emission chatacteristics of ion-textured copper and high-purity isotropic graphite surfaces[NASA TP-2285][R].,1984. |
| [5] | 黄桃,杨中海,金勇兵,金晓林,胡权,秦钰昆.多级降压收集极CAD中的二次电子发射模型[J].电子与信息学报,2008(05):1247-1250. |
| [6] | 贺庆,寇建勇,孙瑜,李炳炎,廖复疆.多级降压收集极中次级电子的研究[J].真空电子技术,2004(01):25-28. |
| [7] | 蔡竺吟 .行波管多级降压收集极计算机模拟[D].合肥:合肥工业大学,2006. |
| [8] | 丁明清,黄明光,冯进军,白国栋,李兴辉,赵青平,刘明辉,高玉娟,陈其略.离子束表面处理抑制空间行波管多级降压收集级二次电子发射的研究[J].真空科学与技术学报,2009(03):247-250. |
| [9] | Ming Q.Ding;Mingguang Huang;Jinjun Feng.Investigation of Secon-dary Electro-n Emission Suppression for TWT Multistage DepressedCollectors[J].IEEE,2008:407-408. |
| [10] | W.H.Smith;D.H.Leeds.“Pyrolytic graph-ite” in Modem Materials[A].New York:Academic Press,Inc,1970 |
| [11] | A.N.Curren;K.A.Jensen .Beam impingement angle effects on secondary electron emission characteristics of textured pyrolytic graphite[NASA 1984,TP-2285][R]. |
| [12] | ARTHUR N.CURREN .Carbon and Carbon-Coated Electrodes for Multistage Depressed Colle-ctors for Electron-Beam Devices-A Technology Review[J].IEEE TRANSACTIONS ON ELECTR-ON DEVICES,1986,ED-33(11) |
| [13] | P.Ramins;B.T.Ebihara .Secondary-electronemission losses in multistage depressed collectors and traveling wave-tube efficiency improvements with carbon collector electrode surfaces[NASA,1986,TP-2622][R]. |
| [14] | Curren,Arthur N,Jensen;Kenneth A.Roman;Robert F .Textured Carbon Surfaces on Copper[P].U.S.Patent Application SN-659475,NASA Lewis Research Center,1984. |
| [15] | A.N.Curren;K.A.Jensen .Textured carbon on copper:A novel surface with extremely low secondary electron emission characteri-stics[NASA,1985,TP-2543][R]. |
| [16] | BEN T.EBIHARA;PETER RAMINS;SHELLY PEET .TWT Efficiency Improvement by a Low-CostTechnique for Deposition of Carbon on MDC Electrodes[J].IEEE TRANSACTI-ONS ON ELECTRON DEVICES,1987,ED-34:NO.2. |
| [17] | Curren A N;KenethA.Jensen;Robert FRoman.An Effective Secondary Electron Emission Supp-ression Treatment for Copper MDC Electrodes[A]. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%