BS EN 60191-4-2000 半导体器件的机械标准化.半导体器件封装外壳形式的分类和编码系统
时间:2024-05-25 00:24:39 来源: 标准资料网 作者：标准资料网 阅读：8964
【英文标准名称】:Mechanicalstandardizationofsemiconductordevices-Codingsystemandclassificationintoformsofpackageoutlinesforsemiconductordevicepackages
【原文标准名称】:半导体器件的机械标准化.半导体器件封装外壳形式的分类和编码系统
【标准号】:BSEN60191-4-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-06-15
【实施或试行日期】:2000-06-15
【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】:电子工程;电气工程;作标记;电气外壳;符号;电子设备及元件;半导体器件;半导体;型式;外壳;分类;集成电路;编码
【英文主题词】:Characteristics;Classification;Codes;Codification;Designations;Electricenclosures;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Enclosures;Encoding;Integratedcircuits;Marking;Prefix;Semiconductordevices;Semiconductors;Shape;Shapes;SMD;Suffix;Surfacemounting;Symbols;Systematics;Types
【摘要】:ThisInternationalStandarddescribesamethodforthedesignationofpackageoutlinesandfortheclassificationofformsofpackageoutlinesforsemiconductordevicesandasystematicmethodforgeneratinguniversaldescriptivedesignatorsforsemiconductordevicepackages.Thedescriptivedesignatorprovidesausefulcommunicationtoolbuthasnoimpliedcontrolforassuringpackageinterchangeability.
【中国标准分类号】:L50
【国际标准分类号】:31_240
【页数】:26P.;A4
【正文语种】:英语
【英文标准名称】:Aerospaceseries-HeatresistingalloyNI-WH1303(NiCo20Cr20Mo5Ti2Al)-Fillermetalforwelding
【原文标准名称】:航空航天系列.耐热合金NI-WH1303(NiCo20Cr20Mo5Ti2Al).焊接用填充金属
【标准号】:BSEN3886-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-07-15
【实施或试行日期】:2001-09-15
【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】:填充金属;耐热材料;飞行器部件;镍合金;航空运输工程;焊接
【英文主题词】:
【摘要】:Thisstandardspecifiestherequirementsrelatingto:HeatresistingalloyNI-WH1303(NiCo20Cr20Mo5Ti2AI)Fillermetalforweldingforaerospaceapplications.
【中国标准分类号】:V11
【国际标准分类号】:49_025_15
【页数】:10P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforDeterminationoftheSoilWaterChararcteristicCurveforDesorptionUsingaHangingColumn,PressureExtractor,ChilledMirrorHygrometer,and/orCentrifuge
【原文标准名称】:用悬垂柱、压力拔出器、冷硬反射湿度计和／或离心分离机测定解吸附作用的土壤水特性曲线的试验方法
【标准号】:ASTMD6836-2002(2008)e2
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:D18.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:capillarypressure;chilledmirrorhygrometer;gravimetricwatercontent;hangingcolumn;matricpotential;matricsuction;pressuremembrane;pressureplate;soil;soilwatercharacteristiccurve;suction;totalsuction;volumetricwatercont
【摘要】:Thesoilwatercharacteristiccurve(SWCC)isfundamentaltohydrologicalcharacterizationofunsaturatedsoilsandisrequiredformostanalysesofwatermovementinunsaturatedsoils.TheSWCCisalsousedincharacterizingtheshearstrengthandcompressibilityofunsaturatedsoils.TheunsaturatedhydraulicconductivityofsoilisoftenestimatedusingpropertiesoftheSWCCandthesaturatedhydraulicconductivity.Thismethodappliesonlytosoilscontainingtwoporefluids:agasandaliquid.Theliquidisusuallywaterandthegasisusuallyair.Otherliquidsmayalsobeused,butcautionmustbeexercisediftheliquidbeingusedcausesexcessiveshrinkageorswellingofthesoilmatrix.Afullinvestigationhasnotbeenconductedregardingthecorrelationbetweensoilwatercharacteristiccurvesobtainedusingthismethodandsoilwatercharacteristicscurvesofin-placematerials.Thus,resultsobtainedfromthismethodshouldbeappliedtofieldsituationswithcautionandbyqualifiedpersonnel.Note18212;Thequalityoftheresultproducedbythisstandarddependsonthecompetenceofthepersonnelperformingthetestandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting,sampling,inspection,etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfensurereliableresults.Reliableresultsdependonmanyfactors.PracticeD3740providesameansofevaluatingsomeofthesefactors.1.1Thesetestmethodscoverthedeterminationofsoilwatercharacteristiccurves(SWCCs)fordesorption(drying).SWCCsdescribetherelationshipbetweensuctionandvolumetricwatercontent,gravimetricwatercontent,ordegreeofwatersaturation.SWCCsarealsoreferredtoassoilwaterretentioncurves,soilwaterreleasecurves,orcapillarypressurecurves.1.2Thisstandarddescribesfivemethods(A-E)fordeterminingthesoilwatercharacteristiccurve.MethodA(hangingcolumn)issuitableformakingdeterminationsforsuctionsintherangeof0to80kPa.MethodB(pressurechamberwithvolumetricmeasurement)andMethodC(pressurechamberwithgravimetricmeasurement)aresuitableforsuctionsintherangeof0to1500kPa.MethodD(chilledmirrorhygrometer)issuitableformakingdeterminationsforsuctionsintherangeof500kPato100MPa.MethodE(centrifugemethod)issuitableformakingdeterminationsintherange0to120kPa.MethodAtypicallyisusedforcoarsesoilswithlittlefinesthatdrainreadily.MethodsBandCtypicallyareusedforfinersoilswhichretainwatermoretightly.MethodDisusedwhensuctionsnearsaturationarenotrequiredandcommonlyisemployedtodefinethedryendofthesoilwatercharacteristiccurve(thatis,watercontentscorrespondingtosuctions>1000kPa).MethodEistypicallyusedforcoarsersoilswhereanappreciableamountofwatercanbeextractedwithsuctionsupto120kPa.Themethodsmaybecombinedtoprovideadetaileddescriptionofthesoilwatercharacteristiccurve.Inthisapplication,MethodAorEisusedtodefinethesoilwatercharacteristiccurveatlowersuctions(0to80kPaforA,0to120kPaforE)nearsaturationandtoaccuratelyidentifytheairentrysuction,MethodBorCisusedtodefinethesoilwatercharacteristiccurveforintermediatewatercontentsandsuctions(100to1000kPa),andMethodDisusedtodefinethesoilwatercharacteristiccurvesatlowwatercontentsandhighersuctions(>1000kPa).1.3AllobservedandcalculatedvaluesshallconformtotheguideforsignificantdigitsandroundingestablishedinPracticeD6026.T......
【中国标准分类号】:B11
【国际标准分类号】:13_080_40
【页数】:20P.;A4
【正文语种】:英语