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,1s
2、t Bond (Ball),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 Pa
3、d 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,
