研究了膨润液中N-甲基吡咯烷酮含量、膨润温度、膨润时间对微蚀效果的影响,以微蚀后聚碳酸酯基板的表面形貌、水接触角及基板之间与镀铜层间的粘结强度对微蚀效果进行评定.结果表明,当聚碳酸酯基板先用70％ N-甲基吡咯烷酮-15％乙二醇乙醚-15％水溶液在40℃膨润处理7 rin后,再经80 g/L MnO2,V(H3 PO4)∶V(H2 O)∶V(H2SO4)=1∶1∶3.5的胶体溶液70℃处理10 min,可得到较理想的微蚀效果,其表面接触角可低至25.2°,基板与镀铜层的粘结强度可达0.93 kN/m.
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