BS EN 60749-15-2010 半导体器件.机械和气候试验方法.穿孔安装设备的耐焊接温度性

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【英文标准名称】:Semiconductordevices.Mechanicalandclimatictestmethods.Resistancetosolderingtemperatureforthrough-holemounteddevices
【原文标准名称】:半导体器件.机械和气候试验方法.穿孔安装设备的耐焊接温度性
【标准号】:BSEN60749-15-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2011-02-28
【实施或试行日期】:2011-02-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Climate;Climatictests;Components;Electricalengineering;Electricalmeasurement;Electronicengineering;Electronicequipmentandcomponents;Environmentaltesting;Integratedcircuits;Mechanicaltesting;Semiconductordevices;Semiconductors;Solderingtemperatureresistance;Testing;Trough-holemounting
【摘要】:ThispartofIEC60749describesatestusedtodeterminewhetherencapsulatedsolidstatedevicesusedforthrough-holemountingcanwithstandtheeffectsofthetemperaturetowhichtheyaresubjectedduringsolderingoftheirleadsbyusingwavesolderingorasolderingiron.Inordertoestablishastandardtestprocedureforthemostreproduciblemethods,thesolderdipmethodisusedbecauseofitsmorecontrollableconditions.Thisproceduredetermineswhetherdevicesarecapableofwithstandingthesolderingtemperatureencounteredinprintedwiringboardassemblyoperations,withoutdegradingtheirelectricalcharacteristicsorinternalconnections.Thistestisdestructiveandmaybeusedforqualification,lotacceptanceandasaproductmonitor.Thistestis,ingeneral,inconformitywithIEC60068-2-20but,duetospecificrequirementsofsemiconductors,theclausesofthisstandardapply.
【中国标准分类号】:
【国际标准分类号】:31_080_01
【页数】:10P.;A4
【正文语种】:英语


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【英文标准名称】:Aerospaceseries-Fibresandcables,optical,aircraftuse-Testmethods-Bandwidth
【原文标准名称】:航空航天系列.航空器用光纤和光缆.试验方法.频带宽度
【标准号】:BSEN3745-303-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-02-29
【实施或试行日期】:2008-02-29
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:航空工程;航空航天运输;航空运输;航空器;频带宽度;光缆;尺寸;光纤;玻璃纤维光缆;玻璃纤维;测量技术;光波导;测试
【英文主题词】:Aeronauticalengineering;Aerospacetransport;Airtransport;Aircraft;Bandwidths;Cables;Dimensions;Fibreoptics;Glassfibrecables;Glassfibres;Measuringtechniques;Opticalwaveguides;Testing
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:49_090
【页数】:8P;A4
【正文语种】:英语


【英文标准名称】:Ironores-Experimentalmethodsforcheckingthebiasofsampling
【原文标准名称】:铁矿石.取样偏差检验的实验方法
【标准号】:BSISO3086-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-05-31
【实施或试行日期】:2006-05-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:偏差;误差校验;铁矿石;金属矿;矿物;取样;抽样方法
【英文主题词】:Bias;Errorchecking;Ironores;Metalliferousminerals;Minerals;Sampling;Samplingmethods
【摘要】:ThisInternationalStandardspecifiesexperimentalmethodsforcheckingthebiasofsamplingofironores,whensamplingiscarriedoutinaccordancewiththemethodsspecifiedinISO3082,havingasreferenceastopped-beltsamplingmethod.Itisrecommendedthataninspectionofthemechanicalsamplingsystembecarriedoutbeforeconductingbiastesting.SamplingsystemsnotcompletelyinaccordancewithISO3082arenotalwaysexpectedtobebiased.Therefore,biascheckingmaybedonewhenthereissomedisagreementabouttheimportanceofsomedeparturefromtheconditionsofISO3082.Ifonepartyarguesthatthebiasislikelytobesubstantialundersomeparticularsetofconditionsthenbiastestingshouldmostlybedonewhenthoseconditionsapply.NOTEThemethodforanalysisofexperimentaldatadescribedheremayalsobeapplied:a)forcheckingthebiasofsamplepreparationofironores,havingasreferencethemethodsforsamplingpreparationaccordingtoISO3082;b)forcheckingthebiasofsizedistributionofironoresbysieving,havingasreferencethehandsievingmethodsaccordingtoISO4701;c)forcheckingapossiblysignificantdifferenceintheresultsobtainedfromthesamplesofonelotcollectedatdifferentplaces,forexample,aloadingpointandunloadingpoint.
【中国标准分类号】:D31
【国际标准分类号】:73_060_10
【页数】:30P.;A4
【正文语种】:英语