【英文标准名称】:Processmanagementforavionics-Atmosphericradiationeffets-Part5:Guidelinesforassessingthermalneutronfluxesandeffectsinavionicssystems
【原文标准名称】:航空电子设备的过程管理.大气辐射影响.第5部分:航空电子系统热中子通量和影响的评估用指南
【标准号】:IEC/PAS62396-5-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-09
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC107
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;大气辐射;宇宙辐射;影响;电气工程;电子工程;电子设备;电子设备及元件;电子仪器;设备;管理;微电子学;中子;工艺管理;质量保证;辐射影响;辐射暴露;额定值;可靠度;规范;规范(验收);热的
【英文主题词】:Aerospacetransport;Airtransport;Atmosphericradiation;Cosmicradiation;Effect;Electricalengineering;Electronicengineering;Electronicequipment;Electronicequipmentandcomponents;Electronicinstruments;Equipment;Management;Microelectronics;Neutrons;Processmanagement;Qualityassurance;Radiationaction;Radiationeffects;Radiationexposure;Ratings;Reliability;Specification;Specification(approval);Specifications;Thermal
【摘要】:ThepurposeofthisPASistoprovideamoreprecisedefinitionofthethrealthatthermalneutronsposetoavionicsasasecondmechanismforinducingsingleeventupset(SEU)inmicroelectronics．TherearetwomainpointsthatwillbeaddressedinthisPAS：1)adetailedevaluationoftheexistingliteratureonmeasurementsofthethermalfluxinsideofairlinersand2)anenhancedcompilationofthethermalneutronSEUcrosssectionincurrentlyavailableSRAMdevices(morethan20differentdevices)．ThenetresultofthereviewsofthesetwodifferentsetsofdatawillbetworatiosthatweconsidertobeveryimportantforleadingtotheultimateobjectiveofhowlargeathreatistheSEUratefromthermalneutronscomparedtotheSEUthreatfromthehighenergyneutrons(E>10MeV)．Thethreatfromthehighenergyneutronshasbeendealtwithextensivelyintheliteratureandhasbeenaddressedbytwostandards([2]1inavioniCSand【1】inmicroelectronicsontheground)．ThetworatiosthatthisPASconsiderstobesoimportantare：1)theratioofthethermalneutronfluxinsideanairlinerrelativetothefluxofhighenergy(>10MeV)neutronsinsidetheairlinerand2)theratiooftheSEUcrosssectionduetothermalneutronsrelativetothatduetohighenergyneutrons．Theseratiosareconsideredtobeimportantbecausewiththem．OnceweknowwhattheSEUratesarefromthehighenergyneutronsforanavionicsboxatopicwhichhasbeendealtwithextensively,suchas【1】,thentheadditionalSEUrateduetothermalneutronscanbeobtainedwiththeseratios．Thus．GiventheSEUratefromhighenergyneutrons,multiplyingthisbythetworatiosgivestheSEUratefromthethermalneutrons．ThetotalSEUratewillbethecombinationoftheSEUratesfromboththehighenergyandthermalneutrons．
【中国标准分类号】:V35
【国际标准分类号】:03_100_50;31_020;49_060
【页数】:16P;A4
【正文语种】:英语