CopperWireBondingTraining铜线焊线培训

1、Copper Wire Bonding Training铜线焊线培训Prepared by: Ning wyContent of Presentation内容介绍Advantages优点Disadvantages缺点Wire Bonding CycleMaterial材料Machine机器Transfer Procedure from Au to Cu 转换步骤AU CUCu ParametersTransfer Procedure from Cu to Au 转换步骤 CU AU Au ParametersCu Pull and Ball ShearCu Wire Bonding Probl

2、ems铜线焊线常见问题-Cost saving 节约成本-Higher electrical conductivity 较高的电导性-Resistant to wire sweeping防止线下垂-Compatible to Cu metallization 铜材料的兼容性Advantages优点Control Ambient(95%N2/5%H2)必须控制周围环境，加混合气体防止焊球氧化Oxidation of Cu wire 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2nd bond bonding 第2个焊点问题Disadvantages缺点Cavity barWire

3、Bonding CycleBall FormationReduced AtmosphereCu oxides make the ball harderOxidation Prevention ProcessMinimized gas turbulenceCoating Cu wire(7 angstrom)Bag sealingPreheat temperature: 175-225 CMaterial 材料 Cu wire: 1.3mil,1.5mil,2mil Capillary劈刀Cu wire sizeCapillary1.3milUTS-43IE-CM-1/16-XL1.5milUT

4、S-48JF-CM-1/16-XL2milUTS-58LJ-CM-1/16-XLMaterial 材料 Device : MZGR* Lead frame: 5FT 71302注意：1 根据随工单上产品名称，选择相应BSA 2 确认正确的FRAME型号，线材料，线径和劈刀Machine 机器 Dpak W/B AB339 7#注意：1 所有铜线产品只能适用W/B AB339 7# 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Transfer Procedure from Au t

5、o Cu转换步骤AU CU 1. Change Cu capillary 换AU劈刀 2. Setup forming gas安装和检查gas3. Adjust the machine setting3 Parameter1Bond parameter7 EFO parameterWire type Copper10% Forming gas Flow: 0.7+/- 0.1 l/min4. CPU cold start machine 冷启动5. Confirm 3rd item 确认第3项是否正确6. Adjust the machine setting 机器设置Transfer Proc

6、edure from Au to Cu转换步骤 AU CU Ftn 150 Bonding tool4 Safety controlBond Pt Tol Flag -DisableWire type CopperTransfer Procedure from Au to Cu转换步骤AU CU7. Modify Cu parameters.(see annexe1) 修改CU线参数，见附件18. Conversion similar to Au 换产品，与AU线相似9. Measure pull force and Ball shear 测试拉力和球推力10. Check 检查Cu Para

7、metersAnnexe1Heater Block Temperature Pre heat: 265+/-5 Deg CHeater Block Temperature Heater: 260+/-5 Deg C10% Forming gas Flow: 0.7 +/-0.1 l/minTransfer Procedure from Cu to Au转换步骤 CU AU Change Au capillary换AU劈刀2. Adjust the machine setting机器设置3. CPU cold start the machine冷启动4. Confirm 2nd item确认第2

8、项是否正确3 Parameter1Bond parameter7 EFO parameterWire type GoldWire type GoldTransfer Procedure from Cu to Au 转换步骤 CU AUFtn 150 Bonding tool4 Safety controlBond Pt Tol Flag -Disable5. Adjust the machine setting机器设置6. Modify Au parameters(see annexe2) 修改AU线参数，见附件27. Conversion换产品Transfer Procedure from Cu to Au转换步骤 CU AU 8. Measure pull forc