PCB-HASL电路板在NaHSO3/Na2SO3溶液中的腐蚀电化学行为

丁康康, 肖葵, 邹士文, 董超芳, 赵瑞涛, 李晓刚

ELECTROCHEMICAL CORROSION BEHAVIOR OF PCB-HASL IN NaHSO3/Na2SO3 SOLUTION

DING Kangkang, XIAO Kui, ZOU Shiwen, DONG Chaofang, ZHAO Ruitao, LI Xiaogang

表1 浸泡不同时间后PCB-HASL试样表面Ekp电位分布Gauss拟合结果

Table 1 Gauss fitting results of surface Ekp distribution

Time / h m / V s 0 -0.5558 0.0228 0.5 -0.6312 0.0276 3 -0.6024 0.0316 12 -0.5393 0.0349 36 -0.4498 0.0320 120 -0.3197 0.0355