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Effects of Electronic Flame Off Parameters on Free Air Ball Properties of Ag-4Pd Bonding Alloy Wire

FAN Junling;YAO Yaxi;CAO Jun;School of Chemical and Environmental Engineering,Jiaozuo University;School of Mechanical and Power Engineering,Henan Polytechnic University;  
The effects of different electronic flame off(EFO) current and time on shape of free air ball(FAB) of φ0.020 mm Ag-4 Pd bonding alloy wire were investigated by scanning electron microscope. The results show that when EFO time is constant, FAB of Ag-4 Pd bonding alloy wire changes from sharp ball to oval ball, perfect ball to golf ball with the increase of EFO current. When EFO current is constant, FAB of Ag-4 Pd bonding alloy wire changes from little ball to perfect ball to golf ball. The FAB of Ag-4 Pd boding alloy wire is good when EFO time is 0.8 ms and EFO current is 0.020 A. For φ0.020 mm Ag-4 Pd alloy bonding wire, the FAB diameter has polynomial function relationship with the EFO time when the EFO current is 0.020 A.
【Fund】: 河南省科技攻关项目(152102210313)
【CateGory Index】: TG44
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 CAO Jun,DING Yu-tian,GUO Ting-biao(State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials,Lanzhou University of Technology, Lanzhou 730050,China);Effect of copper properties and bonding parameters on bonding quality[J];材料科学与工艺;2012-04
【Co-citations】
Chinese Journal Full-text Database 4 Hits
1 CAO Jun;FAN Junling;GAO Wenbin;School of Mechanical and Power Engineering,Henan Polytechnic Universtiy;Chemical and Environmental Engineering Institute,Jiaozuo University;;Investigation of copper direct coating Pd technology and bonding properties[J];材料科学与工艺;2015-05
2 CAO Jun;FAN Jun-ling;LIU Zhi-qiang;School of Mechanical and Power Engineering,Henan Ploytechnic Universtiy;Chemical and Environmental Engineering Institute;;Effect of trace Sn on recrystallization behavior of high purity copper wire[J];材料热处理学报;2015-05
3 CAO Jun;FAN Junling;XUE Tonglong;School of Mechanical and Power Engineering,HeNan Ploytechnic Universtiy;Chemical and Environmental Engineering Institute,Jiaozuo University;;Investigation of copper coating Pd wire properties and bonding quality[J];材料科学与工艺;2014-05
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