无铅焊锡微粉是一种可以满足SMT应用要求的环保材料.粉末的制备方法很多,但主要有4种,即化学还原法、电解法、机构粉碎法和雾化法等.通过对4种方法的对比可以知道,超音速气体雾化法制得的微粉粒度、颗粒形状和均匀性均能满足SMT的要求,所以可以应用超音速气体雾化法制备无铅焊锡微粉.
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