ASTM D3380-1990(2003) 塑料片基微波电路基片的相对透电率(介电常数)和耗散因数测试方法
时间:2024-05-11 23:27:06 来源: 标准资料网 作者：标准资料网 阅读：8650
【英文标准名称】:StandardTestMethodforRelativePermittivity(DielectricConstant)andDissipationFactorofPolymer-BasedMicrowaveCircuitSubstrates
【原文标准名称】:塑料片基微波电路基片的相对透电率(介电常数)和耗散因数测试方法
【标准号】:ASTMD3380-1990(2003)
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:D09.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电气工程;试验;微波
【英文主题词】:dielectricconstant;dissipation;losstangent;permittivity;polymer-basedsubstrates;relativepermittivity;resonator;stripline;x-band
【摘要】:Permittivityanddissipationfactorarefundamentaldesignparametersfordesignofmicrowavecircuitry.Permittivityplaysaprincipalroleindeterminingthewavelengthandtheimpedanceoftransmissionlines.Dissipationfactor(alongwithcopperlosses)influenceattenuationandpowerlosses.Thistestmethodissuitableforpolymericmaterialshavingpermittivityintheorderoftwotoeleven.Suchmaterialsarepopularinapplicationsofstriplineandmicrostripconfigurationsusedinthe1to18GHzrange.Thistestmethodissuitablefordesign,development,acceptancespecifications,andmanufacturingqualitycontrol.Note38212;SeeAppendixX1foradditionalinformationregardingsignificanceofthistestmethodandtheapplicationoftheresults.1.1Thistestmethodpermitstherapidmeasurementofapparentrelativepermittivityandlosstangent(dissipationfactor)ofmetal-cladpolymer-basedcircuitsubstratesintheX-band(8to12.4GHz).1.2ThistestmethodissuitablefortestingPTFE(polytetrafluorethylene)impregnatedglassclothorrandom-orientedfibermats,glassfiber-reinforcedpolystyrene,polyphenyleneoxide,irradiatedpolyethylene,andsimilarmaterialshavinganominalspecimenthicknessof1.6mm.Thematerialsareapplicabletoserviceatnominalfrequencyof9.6GHz.Note18212;Seeforadditionalinformationaboutrangeofpermittivity,thicknessotherthan1.6mm,andtestsatfrequenciesotherthan9.6GHz.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:L40
【国际标准分类号】:31_180
【页数】:12P.;A4
【正文语种】:
【英文标准名称】:Specificationformasonryunits-Part5:manufacturedstonemasonryunits.
【原文标准名称】:圬工单位规范.第5部分:人造石圬工单位
【标准号】:NFP12-025-1/A1-2005
【标准状态】:作废
【国别】:法国
【发布日期】:2005-11-01
【实施或试行日期】:2005-11-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:砖;砌砖工作;铸石;CE标志;分类;抗压强度;混凝土块;混凝土;合格评定;建筑;施工材料;定义;交货条件;密度;名称与符号;测定;尺寸;防火安全;作标记;砖石工程;材料;材料规范;噪声控制(声学的);特性;质量控制;抽样方法;规范(验收);材料强度;试验;公差(测量);吸水率;水蒸汽渗透性
【英文主题词】:Bricks;Brickwork;Caststone;CEmarking;Classification;Compressivestrength;Concreteblocks;Concretes;Conformityassessment;Construction;Constructionmaterials;Definition;Definitions;Deliveryconditions;Density;Designations;Determination;Determinations;Dimensions;Firesafety;Marking;Masonry;Materials;Materialsspecification;Noisecontrol(acoustic);Properties;Qualitycontrol;Samplingmethods;Specification;Specification(approval);Strengthofmaterials;Testing;Tolerances(measurement);Waterabsorption;Watervapourpermeability
【摘要】:
【中国标准分类号】:P24
【国际标准分类号】:91_100_30
【页数】:9P.;A4
【正文语种】:其他
【英文标准名称】:Safetyoftransportablemotor-operatedelectrictools-Part1:generalrequirements.
【原文标准名称】:移动式电动工具的安全.第1部分:一般要求
【标准号】:NFC75-200/A12-2005
【标准状态】:作废
【国别】:法国
【发布日期】:2005-11-01
【实施或试行日期】:2005-11-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:壳体;夹件;分类;定义;设计;介电强度;尺寸选定;尺寸;耐久性;接地导线;接地线端子;电缆;(电网)电源;接线端;电动工具;电气工程;电气安全;防火;耐火性;手工工具;危害;Incription;使用说明;绝缘电阻;磁的;磁驱动;磁力;抗湿;多语种的;噪声抑制;噪声测量;使用条件;便携的;动力驱动;特性;防电击;辐射;防锈;安全要求;螺钉;声级;声压级;规范(验收);稳定性;材料强度;试验;试验条件;热稳定性;跟踪系数
【英文主题词】:Bodies;Clamps;Classification;Clearances;Conduits;Connections;Definitions;Design;Dielectricstrength;Dimensioning;Dimensions;Distances;Durability;Earthconductors;Earthingconductorterminations;Electriccables;Electricmains;Electricshock;Electricterminals;Electrictools;Electricalengineering;Electricalsafety;Fireprotection;Fireresistance;Firerisks;Handtools;Handling;Hazards;Heating;Impurity;Inexpert;Inputcurrent;Inscription;Instructionsforuse;Insulatingresistance;Insulations;Leakagepaths;Limitdeviations;Magnetic;Magneticdrive;Magneticforce;Moistureresistance;Multilingual;Noiseabatement;Noise(environmental);Noisemeasurements;Operatingconditions;Operatingtemperatures;Operation;Portable;Powerconsumption;Powerdrives;Properties;Protection;Protectionagainstelectricshocks;Radiation;Rustprotection;Safety;Safetyrequirements;Screws(bolts);Soundlevel;Soundpressurelevel;Specification(approval);Stability;Start;Strengthofmaterials;Strikingenergy;Temperature;Temperaturerise;Tensileforce;Testing;Testingconditions;Testingvoltages;Thermalstability;Trackingindex
【摘要】:
【中国标准分类号】:K64
【国际标准分类号】:25_140_20
【页数】:6P.;A4
【正文语种】:其他