DIN 50438-1-1994 半导体材料的检验.用红外线吸收法测量硅中杂质含量.氧
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【英文标准名称】:Testingofmaterialsforsemiconductortechnology-Determinationofimpuritycontentinsiliconbyinfraredabsorption-Part1:Oxygen
【原文标准名称】:半导体材料的检验.用红外线吸收法测量硅中杂质含量.氧
【标准号】:DIN50438-1-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:半导体工程;硅;测量技术;红外线光谱法;定义;电学测量;化学分析和试验;试验;半导体;红外线吸收;半导体器件;材料;氧;杂质;含量测定;材料试验;半导体工艺;矽
【英文主题词】:
【摘要】:
【中国标准分类号】:H17;H82
【国际标准分类号】:29_040_30
【页数】:10P;A4
【正文语种】:德语
Product Code:SAE J209
Title:Instrument Face Design and Location for Construction and Industrial Equipment (Cancelled May 2003)
Issuing Committee:Hftc2, Machine Displays And Symbols
Scope:The instrument design criteria and grouping described are recommended to manufacturers of construction and industrial equipment for all new designs.Adherence to these recommendations will promote improved performance and ease of machine operation, protect machine and operator, and simplify instrument design and production.【英文标准名称】:StandardTestMethodforDeterminingTemperaturesandHeatsofTransitionsofFluoropolymersbyDifferentialScanningCalorimetry
【原文标准名称】:用差式扫描量热法测定含氟聚合物温度和转化热的标准试验方法
【标准号】:ASTMD4591-2007
【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】:D20.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:转化;测定;氟;塑料;聚合物;温度;测试
【英文主题词】:differentialscanningcalorimetry;DSC;fluoropolymer(s);heatsoffusion;meltingpoint;thermalanalysis
【摘要】:DSCanalysismaybeusedwithfluoropolymerstoachieveatleastfourdifferentobjectivesasfollows:4.1.1Tomeasuretransitiontemperaturestoaidintheidentificationofthevariousfluoropolymers,individuallyorinmixtures;4.1.2Tocomparetherelativelevelsofcrystallinecontentoftwoormorespecimensofasampleofafluoropolymerrelativetoanothersamplebymeasuringtheheatoffusion;Note28212;Absolutevaluesofcrystallinecontentcannotbedetermineduntilvaluesforheatsoffusionofthecompletelycrystallinepolymersareavailable.4.1.3TocharacterizePTFE(DSCthermalcurvesdeterminedonpowdersorproductsofPTFEthathaveneverbeenmeltedconveyappreciableinformationaboutdetailsofmorphologyandmolecularstructure);44.1.4Tosupplementthetestforstandardspecificgravity(SSG)describedinSpecificationsD4894andD4895byusingtheheatofcrystallizationofpurePTFEhomopolymer,dependingontherelativemolecularweightofthespecimen.Thescopesofthesespecifications,however,includePTFEresinsmodifiedwithsmallamountsofcomonomers,andmanycommercialPTFEresinsaremodifiedinthismanner.Thesemodificationscanhaveprofoundeffectsoncrystallizationbehavior.Publishedrelationships4betweenheatofcrystallizationandmolecularweightrefertopurePTFEhomopolymersand,therefore,cannotbeappliedtothemodifiedresins.1.1Thistestmethoddefinesconditionsfortheuseofdifferentialscanningcalorimetry(DSC)withfluoropolymers.ItcoverstheuseofDSCanalyseswiththefluoropolymers,PTFE,PVDF,PCTFE,andPVFandtheircopolymersPFA,MFA,FEP,ECTFE,EFEP,VDF/HFP,VDF/TFE/HFP,VDF/CTFE.Thetestmethodisapplicabletotheanalysisofpowdersaswellassamplestakenfromsemi-finishedorfinishedproducts.ThenatureoffluoropolymersissuchthatspecialproceduresareneededforrunningDSCanalysisandinterpretingtheresults.1.2ThevaluesstatedinSIunitsasdetailedinIEEE/ASTMSI-10aretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThereiscurrentlynoISOstandardthatduplicatesthistestmethod.ISO12086-1andISO12086-2coversimilartestingandreferencethistestmethodfortestingconditions.
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:4P.;A4
【正文语种】: