鋁 基 覆 銅 板 主 要 性 能MainCharacteristicsofAluminum-basedCoppper-cladLaminate實驗項目Testitem 指標值indexValue 實驗值TestValue 測試方法TestMethod 剝離強度N/mmPeetstrength 1.82.2GJB1651中4010絕緣電阻MΩbrcakdownvoltage ≥1×105 107 GJB1651中5020擊穿電壓DCKvbrcakdownvoltage 46GJB1651中5040介質(zhì)損耗角正切（1MHz）losstangent ≤0.030.02（40℃,93%96h）介電常數(shù)（1MHz）Dielectncconstant ≤4.43.5（40℃,93%96h）熱沖擊起泡blisteringafterheatshoch 2min260℃不起泡NoBlistering不分層NoDelamination 288℃不起泡NoBlistering不分層NoDelamination GB/T4722中17燃燒性flamnabilitycombustibility FV-OFV-OGB/T4722中26熱阻℃/Wheatresistance 1.51.0TO-220