ASTM E721-2007 电子辐射强度试验用中子探测器测定中子能谱的标准指南

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【英文标准名称】:StandardGuideforDeterminingNeutronEnergySpectrafromNeutronSensorsforRadiation-HardnessTestingofElectronics
【原文标准名称】:电子辐射强度试验用中子探测器测定中子能谱的标准指南
【标准号】:ASTME721-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E10.07
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:电子工程;能量;箔;硬度测量;中子;核能;波谱
【英文主题词】:neutronsensors;neutronspectra;radiation-hardnesstesting;spectrumadjustment
【摘要】:Itisimportanttoknowtheenergyspectrumoftheparticularneutronsourceemployedinradiation-hardnesstestingofelectronicdevicesinordertorelateradiationeffectswithdeviceperformancedegradation.Thisguidedescribesthefactorswhichmustbeconsideredwhenthespectrumadjustmentmethodologyischosenandimplemented.Althoughtheselectionofsensors(foils)andthedeterminationofresponses(activities)isdiscussedinGuideE720,theexperimentshouldnotbedivorcedfromtheanalysis.Infact,itisadvantageousfortheanalystconductingthespectrumdeterminationtobecloselyinvolvedwiththedesignoftheexperimenttoensurethatthedataobtainedwillprovidethemostaccuratespectrumpossible.Thesedataincludethefollowing:(1)measuredresponsessuchastheactivitiesoffoilsexposedintheenvironmentandtheiruncertainties,(2)responsefunctionssuchasreactioncrosssectionsalongwithappropriatecorrelationsanduncertainties,(3)thegeometryandmaterialsinthetestenvironment,and(4)atrialfunctionorpriorspectrumanditsuncertaintiesobtainedfromatransportcalculationorfrompreviousexperience.1.1Thisguidecoversproceduresfordeterminingtheenergy-differentialfluencespectraofneutronsusedinradiation-hardnesstestingofelectronicsemiconductordevices.Thetypesofneutronsourcesspecificallycoveredbythisguidearefissionordegradedenergyfissionsourcesusedineitherasteady-stateorpulsemode.1.2Thisguideprovidesguidanceandcriteriathatcanbeappliedduringtheprocessofchoosingthespectrumadjustmentmethodologythatisbestsuitedtotheavailabledataandrelevantfortheenvironmentbeinginvestigated.1.3ThisguideistobeusedinconjunctionwithGuideE720tocharacterizeneutronspectraandisusedinconjunctionwithPracticeE722tocharacterizedamage-relatedparametersnormallyassociatedwithradiation-hardnesstestingofelectronic-semiconductordevices.Note1AlthoughGuideE720onlydiscussesactivationfoilsensors,anyenergy-dependentneutron-respondingsensorforwhicharesponsefunctionisknownmaybeused().Note2Forterminologyusedinthisguide,seeTerminologyE170.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N51
【国际标准分类号】:83_140_10
【页数】:11P.;A4
【正文语种】: