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1、SPT Capillary 介紹及應用,目 錄,1.銲針參數介紹2.銲針對銲球的影響3.銲針對魚尾的影響4.銲針對弧度的影響5.銲針影響整理6.選用規則,Capillary Parameters,First Bond(Ball Formation):,Free Air Ball,Mashed Ball,Free Air Ball=Mashed Ball:,Free Air Ball,Mashed Ball Diameter,FAB,MBD,VolFAB=VolMB,VolFAB,VolMB,Capillary 對銲球的影響(H,CD,CA):,T,FA,H,CD,OR,1st Bond(Bal
2、l),CA,Hole Size(H):,H=WD+30%10%Recommended:H=1.3WD For Fine Pitch:H=1.2WD(min),Chamfer Diameter(CD):,MBD(min)=CD+10%CD MBD/1.1(BPO-*10m)/1.1,*10m clearance includes machine/operator error,capillary tolerance,Chamfer Angle(CA):,Capillary 對魚尾的影響(T,OR&FA):,WD,OR,SL,T,TIP Pad pitch x 1.3,OR-FA 的關係:,Smaller FA Bigger OR,OR,OR,FA,FA,Bigger FA Smaller OR,Capillary 對弧度的影響(H,IC type):,Hole Size(H):,IC Type影響Wire Feeding,Capillary影響整理:,Capillary選用規則(H,T,CD):,H=WD+30%10%Recommended:H=1.3WD For Fine Pitch:H=1.2WD(min)TIP Pad pitch x 1.3MBD(min)=CD+10%CD MBD/1.1(BPO-*10m)/1.1,
