回流焊接是表面组装技术（SMT）中所特有的工艺。本文主要介绍了锡膏工艺回流温度曲线的设定方法和回流温度曲线的测量方法-Reflow soldering is Surface Mount Technology (SMT) in the specific process. This paper mainly introduces the solder paste reflow process temperature curve setting method and the return temper