焊锡培训资料（PDF35页）

1,234DCKIBCD1C2123:900M-T1.0mm2.0mm2.4mmC,DCDKIB14703802345:1,ISO0.1%,:90PPM(PPM:)0.1%,.2,1.0MM1.6MM1.0MM,1.6MM.3,::,:,:,:,,4,:wt%Sn-0.7Cu227Sn-Ag-Cu210-230Sn-3Ag221-230Sn-Ag-Bi207-2303.3%2.5%2.0%1.2%Sn-0.7Cu,2272.5%.12123,12OK31-2S45451-2S21034MMATERIALMACHINAMETHLDMAN.123-4.7Kg3OKOKOKOKOKOKWetting&Non-wetting60/4063/37WEETTING:PCB1ChemicalActivity123AbieticAcidIsomericditerpeneacidsCopperabiet2ThermalStabilityW/W2803RA6003154WettingPower5SpreadingActivity“”:.,0.2%(W/W)..:////:///:/,,/,/,/,.