PCBA生产注意事项

2005-5-121ACTIONSQAHilxieEmail:[e-mail]proprietary2005-5-122“““““““2005-5-123“““”“”“2005-5-124““”“2005-5-125““““““2005-5-1262005-5-127“(POPCORN)IC,,,,,,,ICIC.IC,IC.2005-5-128ESDEOS“ESOElectricalOverstress“EOSIC1STP2LIGHTNING3ESD4EMPbondingIC2005-5-129““2005-5-1210“ESD:Electro-staticdischarge“ESD1232005-5-1211“2005-5-1212“ESD1234200V540-60%635V2005-5-1213“2005-5-1214“SMT2005-5-1215“SMT1IC2a,FLUXb,2-820-2540-50%RH26.62-32005-5-1216c,4-8SLUMPSPUTTERd,83SOLDERALLOYCHART2005-5-12172005-5-12184PCBa,0.7%.b,PCB0.1%cPCB1202d,QFP/BGAICPCB5REFLOWa,Preheat)Soak)2005-5-1219PADb,Peaktemp1832005-5-1220c,COOLING6REFLOWa,PC2005-5-1221b,2207a,ICICPAD10PAD0.2Undercut,;,.b,8-101012005-5-1222c,/18-2540-60%RHIC2005-5-1223“PCB1AOIAOI:AutomatedOpticalInspection2,AOISMT2005-5-12243PCBAICTINCIRCUITTESTICTFLUXPCBAAOIICTPCBA/PCBOS2005-5-1225REWORK“ICIC“”“”1PCBIC100122ICIC344IC2005-5-1226IC2005-5-12272005-5-12282005-5-1229LQFP64,datasheet.2005-5-1230“ACTIONSQA/“1IC12ACTIONSACTIONS2/ICpopcorn),open/short(2PIN2005-5-1231Open/shortfailure,VCC/GNDACTIONS3ACTIONSQA100%4ICACTIONS2005-5-12325ICICTRAY10ICACTIONSIC1%ACTIONS6302005-5-12332005-5-12342005-5-12352005-5-12362005-5-1237