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-1-33-13-1-112()34500C4500C3-1-21.()-2-313-1a90b=90c902.()3.()(250300)Cu3SnCu6Sn5300Cu31Sn83~10um323-232Cu3SnCu6Sn5Cu31Sn825s3-3PCBPCB-3-3-33-1-31)2)PCB3)4)2505ºC240ºC260ºC2~3S1S35%IC3S4~5S5)3-23-2-1450450-4-1.IMCCu6Sn5ACBA-B-CA-D-B-C-EBB63%37%18363%10%3-42.1/101~10m-5-20~11020001/5~1/10IMC2(1)(Cu)0305(2)(Sb)(3)(Zn)00010005(4)(A,KO005(5)(Bi)10(6)(Fe)000531)Sn63Pb37183Sn62Pb36Ag2179MulticoreSn60Pb40kesterSn60Pb400.230.40.560.81.00.50.6SMC50MILA0.40.3SMD0.22)3)05204)gl1520mSnPbSnPbAgSnPbIn3-2-21(2)(3)(4)-6-(5)(6)(7)(8)2(7525)180C2)(3)(55C)3221.PCBPCBPCB1(2)(3)2250270C1025s31130150C-7-(2)1)13min2)3)4)(3)PCB3-3,3-3-13-5-8-3-3-2SMDSMDPCB1.2.HAKO92810C12V24VESD3-63-3-31.METCAL-9-METICAMS-500STIPTIPMetcalTIPTIP1)TIP42)TIP1.1C3)ESD3-7METICAMS-500S2.TIPMETICATIP1)700F316)600FMETICAL500F(260C),600F(316)700F(371)800F(427)2)3-8TIPTIP-10-STC-1371700F37CHIP1206SOTSOICPLCCSTC-0470600F4760CHIP0603STC-022PLCC-18SMTC-1113)METICALMETICALTIP.99,9TIPTIP,,93-4100%3-4-1TIPTIP45TIP3-4-21)TIP3-912)tip3-102-11-3)3-1334)3-1145)3-4-23-121-12-3-1323-1-41)1~10m2)PCB3)PCBPCB60°3-144)5)-13-3-156)1130w1SIPIVT-EPTH1101-14-30=15+151.SIPIVT-EPTHR1R2R3R4R5R6R7R8R9R1082511002003004705106809101K1%1%1%1%1%1%1%1%1%1%R1R2R3R4R5R6R7R8R9R101.-15-1.2.2230w1SIPIVT-EPTH1101R11R12R13R14R15R16R17R18R19R202K27K47K51K75K10K15K20K24K39K5%5%5%5%5%5%5%5%5%5%30=15+152.R11~R20SIPIVT-EPTH3.2.3.R1R2R3R4R5R6R7R8R9R1082511002003004705106809101K-16-1.2.3.4.5.6.7.