无铅焊可靠性

2008200005%()17Sn-PbSn-Pb-AgSn-Pb-Bi63%Sn/37%Pb62%Sn/36%Pb/2%AgSn63Sn62203230Sn633045:SnAgCuSbInPb0.2%56Sn-Pb:(1);(2);(3);;;(4)(/)Sn-Pb;(5);(6)/PCB;(7):;(8);(9)22.2/In1.5%Bi2.0%:SnCuSnAgSnAgCuSnAgCuSbSnAgBi2.320006Aguidelineforassemblyoflead-freeelectronics:SnPb(1);(2)Sn-Ag-CuSn-0.7CuSn-3.5Agn-Ag-Bi;(3);(4);(5)SnPb(1)SnCu:;;(2)SnAg:221SnAgSnAgCu(3)SnAgCu(Sb):Sn-Ag-CuSn-AgSn-AgSn-Cu0.5%Sb(4)SnAgBi(Cu)(Ge):200210;;;CuGe;Bi(5)SnZnBi:Sn-Pb;Zn2.2Sn/Ag/CuSn/Ag3.0/Cu0.5Sn/0.7CuSn/CuSn/Ag/CuSn/Ag3.0/Cu0.5217/2200.10/cm3Sn/Cu2.748kg/mm275Sn/Ag/CuSn/Pb362.1123/s24590sec120160PCB32302030sec-4/s6SMASMASMTSMT(1)6.16.26.16.2ZZPCBZ6.36.3(2):6.4()(1)14/(2)()(3)(4)(4)6.2()6.5:6.56.6(1)6.7;1836.7(2)PCB217100120614515012min1min(3)6.3SMT6.7(1)IC(2)QFPPCBPCBPCB6.7(3)ZIC(4)6.46.86.8PCBSMAPCBPCB6.5//PCBPCBPCB(1)PCB(2)PCB6(3)PCB1054h6h6.6PCBPCBSMTPCB(1)PCBPCBTgPCBPCB(2)PCBPCBPCB(3)PCB()(4)PCBTgPCBPCBPCBPCBPCB1054hPCB6.7IC/ICQFP()6.96.9IC()QFP90ICPCB6.8SMC(MLCC)(1)MLCCMLCC(2)zz(3)PCB(4)PCBzPCBPCB6.91PCBPCB/2IC()3FQFP4PCB5PCB/67Sn-CuSn-Ag-CuSn-Ag-Bi-CuSn-BiSn-SbSn-Ag-CuSMTSMT