The application of Potassium Monopersulfate Compound and Sodium Persulfate in PCB micro-etch was studied comparably by loss-weight to measure the micro-etch velocity.

• 通过失重法进行微蚀速率测定,对过硫酸氢钾复合盐与过硫酸钠在PCB微蚀刻中的应用效果进行了对比研究。