SPCC CARRIER ETCHING COMPOSITION FOR GENERATING SOLDER BALL

摘要

A composition of the present invention relates to a composition capable of etching with respect to ferroalloys, including: 1-50 wt% of a chloride-based compound; 0.01-3 wt% of an anticorrosive agent; 0.01-5 wt% of a surfactant; and extra deionized water, thereby minimizing an effect with respect to copper and regarding iron ion except SPCC metal as a main component.;COPYRIGHT KIPO 2019