PCBA 生产加工通用操作规范要求目 录1目的...........................................................................................................................................42范围...........................................................................................................................................43术语与定义...............................................................................................................................44引用标准和参考资料...............................................................................................................45写片要求...................................................................................................................................46PCBA 加工过程中辅料使用要求............................................................................................47表面贴装(SMT)工序...........................................................................................................57.1PCB 烘烤要求.................................................................................................................57.2PCB 检查要求.................................................................................................................57.3丝印机及钢网制作要求..................................................................................................57.3.1.印刷设备的要求...................................................................................................57.3.2.量产产品的钢网制作要求...................................................................................57.4 焊膏使用要求..................................................................................................................57.5 贴片要求..........................................................................................................................67.6回流焊接曲线制订及测试要求......................................................................................67.6.1.回流焊...