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临近空间大气中子诱发电子器件单粒子翻转模拟研究
Alternative TitleSimulation Study on Single Event Upset Induced by Near Space Atmospheric Neutron in Electronic Devices
张振力; 张振龙; 韩建伟; 安广朋; 蔡明辉; 封国强; 马英起; zzl2516@tom.com
Department保障部/保障与试验验证中心
Source Publication空间科学学报
2011
Volume31Issue:3Pages:350-354
ISSN0254-6124
Language中文
Keyword单粒子翻转 中子 敏感体积 Weibull函数
Abstract根据重离子试验数据,采用长方体(RPP)模型,用GEANT4软件工具包编程,建立了垂直于器件表面入射的中子诱发电子器件的单粒子翻转模型.考虑敏感体积及其附近的次级粒子对单粒子翻转的贡献,统计了次级粒子在敏感体积内沉积能量的微分能谱分布,对在敏感体积内沉积不同能量的次级粒子对单粒子翻转的贡献进行了区分计算,模拟计算结果与地面试验结果符合较好.
Other AbstractSingle Event Upset(SEU)induced by atmospheric neutron is harmful for near space craft,and is studied by numeric simulation in present paper.Static Random-Access Memory(SRAM)device which has regularly arrayed cells is selected as the simulation object.Using Rectangular Parallelepiped(RPP)Model as the basic model and extracting key parameters from SEU experiment data of heavy ions,sensitive volume model of SEU due to nuclear reactions between incident neutron and device materials is established.Simulation and research show that the secondary heavy ions resulting from the high energy neutrons can transfer approximate 4 microns.Consequently,to simulate the SEU events thoroughly,an extra volume beyond 4 microns from the sensitive volume is taken into account.Modeling and simulation are performed for HM62256 and HM628128 SRAM devices respectively with the help of GEANT4 software package.The secondary particles in and near the sensitive volume contributing to SEU are considered.Differential spectrums of the deposited energy in the sensitive volume by the secondary particles are calculated.Eventually SEU events due to the secondary particles which deposited different energy in the sensitive volume are summed up.The results of the simulation agree well with those of ground experiments performed with 14 MeV neutrons and high energy protons.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/2854
Collection保障部/保障与试验验证中心
Corresponding Authorzzl2516@tom.com
Recommended Citation
GB/T 7714
张振力,张振龙,韩建伟,等. 临近空间大气中子诱发电子器件单粒子翻转模拟研究[J]. 空间科学学报,2011,31(3):350-354.
APA 张振力.,张振龙.,韩建伟.,安广朋.,蔡明辉.,...&zzl2516@tom.com.(2011).临近空间大气中子诱发电子器件单粒子翻转模拟研究.空间科学学报,31(3),350-354.
MLA 张振力,et al."临近空间大气中子诱发电子器件单粒子翻转模拟研究".空间科学学报 31.3(2011):350-354.
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