Stencil printing acts as the first important step in the production line. If solder paste is insufficient, the missing solder will occur. If solder paste is excessive, the phenomenon of bridge joint will lead to short circuit. 其中模板印刷制程在生产线中扮演第一个重要的步骤,印刷后若锡膏量不足,焊点将可能发生空焊,而若锡膏量过多,则可能发生桥接现象而产生短路。