网版印刷使用无铅印料势在必行

阐述了网版印刷印料无铅化的必要性和可行性,介绍了无铅印料的现状和发展。提出了无铅印料的配方及性能要求,说明了无铅印料在倒装芯片与表面贴装中的应用。

This article specifies the necessity and feasibilityfor using screen printing paste free of lead. It lines out the stateof art of lead-free printing paste and the progress in applications.The formulation and performance of printing paste free of lead areintroduced. It also introduces the lead-free printing paste appli-cable to SMT.