铜丝压焊培训(CU_TRAIN).ppt

1、CopperWireBondingTraining铜线焊线培训,Preparedby:Ningwy,ContentofPresentation内容介绍,Advantages优点Disadvantages缺点WireBondingCycleMaterial材料Machine机器TransferProcedurefromAutoCu转换步骤AUCUCuParametersTransferProcedurefromCutoAu转换步骤CUAUAuParametersCuPullandBallShearCuWireBondingProblems铜线焊线常见问题,-Costsaving节约成本-High

2、erelectricalconductivity较高的电导性-Resistanttowiresweeping防止线下垂-CompatibletoCumetallization铜材料的兼容性,Advantages优点,ControlAmbient(95%N2/5%H2)必须控制周围环境，加混合气体防止焊球氧化OxidationofCuwire铜线易氧化，必须放在氮气柜中保存,拆开包装后保存期为4天2ndbondbonding第2个焊点问题,Disadvantages缺点,Cavitybar,WireBondingCycle,BallFormationReducedAtmosphereCuoxid

3、esmaketheballharder,OxidationPreventionProcessMinimizedgasturbulenceCoatingCuwire(7angstrom)BagsealingPreheattemperature:175-225C,Material材料,Cuwire:1.3mil,1.5mil,2milCapillary劈刀,Material材料,Device:MZGR*Leadframe:5FT71302,注意：1根据随工单上产品名称，选择相应BSA2确认正确的FRAME型号，线材料，线径和劈刀,Machine机器,DpakW/BAB3397#,注意：1所有铜线产

4、品只能适用W/BAB3397#2此机器的铜线与金线的转换必须由技术员来完成3技术员必须经过培训，并严格按照转换程序进行机器转换4转换后，技术员必须测拉力和推力，无误后方可跑机,TransferProcedurefromAutoCu转换步骤AUCU,1.ChangeCucapillary换AU劈刀2.Setupforminggas安装和检查gas,3.Adjustthemachinesetting,3Parameter,1Bondparameter,7EFOparameter,WiretypeCopper,10%ForminggasFlow:0.7+/-0.1l/min,4.CPUcoldsta

5、rtmachine冷启动5.Confirm3rditem确认第3项是否正确,6.Adjustthemachinesetting机器设置,TransferProcedurefromAutoCu转换步骤AUCU,Ftn15,0Bondingtool,4Safetycontrol,BondPtTolFlag-Disable,WiretypeCopper,TransferProcedurefromAutoCu转换步骤AUCU,7.ModifyCuparameters.(seeannexe1)修改CU线参数，见附件18.ConversionsimilartoAu换产品，与AU线相似9.Measurepu

6、llforceandBallshear测试拉力和球推力10.Check检查,CuParameters,Annexe1,HeaterBlockTemperaturePreheat:265+/-5DegCHeaterBlockTemperatureHeater:260+/-5DegC10%ForminggasFlow:0.7+/-0.1l/min,TransferProcedurefromCutoAu转换步骤CUAU,ChangeAucapillary换AU劈刀2.Adjustthemachinesetting机器设置,3.CPUcoldstartthemachine冷启动4.Confirm2nd

7、item确认第2项是否正确,3Parameter,1Bondparameter,7EFOparameter,WiretypeGold,WiretypeGold,TransferProcedurefromCutoAu转换步骤CUAU,Ftn15,0Bondingtool,4Safetycontrol,BondPtTolFlag-Disable,5.Adjustthemachinesetting机器设置,6.ModifyAuparameters(seeannexe2)修改AU线参数，见附件27.Conversion换产品,TransferProcedurefromCutoAu转换步骤CUAU,8.MeasurepullforceandBalls