ul 796 印刷线路板标准

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1、TestsforUL746ELaminatesTestApplicableStandardBondStrength(BS)forPWBs印制板镀层覆着力测试UL746EVerticalBurning(V)垂直燃烧UL94VerticalBurning(V)afterThermalShock热冲击后垂直燃烧UL94VerticalBurningforThinMaterial(VTM)UL94FlexuralStrength(FS)挠曲强度UL746AHigh-CurrentArcIgnition(HAI)高电流电弧引燃UL74

2、6AHotWireIgnition(HWI)热线圈引燃UL746AHigh-VoltageArc-Tracking-Rate(HVTR)高电压电弧起痕速率UL746AHigh-VoltageArcResistance(HVAR)高电压耐电弧性UL746ADielectricStrength(DS)绝缘强度UL746AHighVoltage,LowCurrent,DryArcResistance(D495)高电压低电流耐电弧性UL746AComparativeTrackingIndex(CTI)相对起痕指数UL746AVolu

3、meResistivity(VS)/SurfaceResistivity(SR)表面体积电阻率系数UL746ALong-TermThermalAging长周期热老化UL746BColdBend冷弯UL746ERepeatedFlexing频繁的弯曲UL746EFlexibility挠性UL746ECoverlayLamination层压板UL746EConformalCoatings涂层UL746ETestsforUL796RigidPrintedWiringBoards(PWBs)TestApplicableStandar

4、dBondStrength/Delamination印制板镀层覆着力测试UL796PlatingAdhesion镀层附着性测试UL796ConductivePasteAdhesionUL796DielectricMaterialEvaluations:-ThermalCycling热循环UL796-Long-TermThermalAging长期热老化UL796Short-TermEvaluations:短期评估-High-CurrentArcIgnition(HAI)UL746A-HotWireIgnition(HWI)UL

5、746A-ComparativeTrackingIndex(CTI)UL746A-FlammabilityUL94ConductorAdhesion:-CuFoilTypeUL796-PasteTypeUL796Long-TermThermalAgingUL746BFlammabilityUL94TestsforUL796/UL796FFlexiblePWBsTestApplicableStandardBondStrength/DelaminationUL796/UL796FConductivePasteAdhesionUL

6、796/UL796FDielectricMaterialEvaluations:-ThermalCyclingUL796/UL796F-Long-TermThermalAgingUL796/UL796FShort-TermEvaluations:-High-CurrentArcIgnition(HAI)UL746A-HotWireIgnition(HWI)UL746A-ComparativeTrackingIndex(CTI)UL746A-FlammabilityUL94ConductorAdhesion:-CuFoilTy

7、peUL796/UL796F-PasteTypeUL796/UL796FLong-TermThermalAgingUL746BFlammabilityUL94AmbientBendUL796/UL796FColdBendUL796/UL796FRepeatedFlexingUL796/UL796FCoverlayLaminationUL796/UL796FFlexiblePWBandStiffenerCombinationUL796/UL796Fhttp://www.chemitox.co.jp/eng/pwb.htmlUL

8、796印刷线路板标准UL796所涉及的产品范围:RigidPrinted-WiringBoard:硬板FlexiblePrinted-wiringBoard:柔性板这两种板都只能作为零部件使用在电子电器产品中,并在使用时随电子电器产品作进一步的评估相关标准:ØUL94燃烧测试标准ØUL74