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Temperature effect in thermosonic wire bonding WU Yun-xin(吴运新), LONG Zhi-li(隆志力), HAN Lei(韩 雷), ZHONG Jue(钟 掘) School of Electromechanical Engineering, Central South University, Changsha 410083...; Abstract: The temperature effect on bonding strength and ultrasonic transmission in a PZT transducer system was investigated. The results show that, the temperature change influences the material......
Bonding mechanism of ultrasonic wedge bonding of copper wire on Au/Ni/Cu substrate TIAN Yan-hong(田艳红)1, WANG Chun-qing(王春青)1, Y. Norman ZHOU2 1. State Key Laboratory of Advanced Welding...; Abstract: The ultrasonic wedge bonding with d25 μm copper wire was achieved on Au/Ni plated Cu substrate at ambient temperature. Ultrasonic wedge bonding mechanism was investigated......
Diffusion bonding of Al alloy to Al2O3 ceramicFENG Ji-cai(冯吉才), WANG Da-yong(王大勇), LI Zhuo-ran(李卓然), LIU Hui-jie(刘会杰)(National Key Laboratory of Advanced Welding Production Technology,Harbin Institute of Technology, Harbin 150001, China)Abstract:A layer of Cu was sintered on the surface of Al2O3 ceramic before bonding, and then diffusion bonding technology was applied to bond Al2O3/Cu to Al......
Atomic diffusion properties in wire bonding LI Jun-hui(李军辉), WANG Fu-liang(王福亮), HAN Lei(韩 雷), DUAN Ji-an(段吉安), ZHONG Jue(钟 掘) College of Mechanical-Electronical Engineering, Central South...: The lift-off characteristics at the interface of thermosonic bond were observed by using scanning electron microscope (JSM-6360LV). The vertical section of bonding point was produced by punching, grinding......
Electrochemical and Reaction Bonding Processing of Thick ZrO2/Al2O3 Composite Coatings WANG Zhou-cheng1,XIAO Ping2 (1.Dept. of Materials Science and Engineering, Xiamen University, Xiamen, China;2.Manchester Materials Science Centre, University of Manchester, Manchester, UK) 摘要:A novel technique combining electrophoretic deposition (EPD) and reaction bonding process (RBP) is developed......
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Effect of ultrasonic power on wedge bonding strength and interface microstructure WANG Fu-liang(王福亮), LI Jun-hui(李军辉), HAN Lei(韩 雷), ZHONG Jue(钟 掘) School of Mechanical and Electrical...; Abstract: During the aluminum wire wedge bonding, the ultrasonic power and bonding strength were obtained. Based......
Bonding interface zone of Mg-Gd-Y/Mg-Zn-Gd laminated composite fabricated by equal channel angular extrusion WU Di(吴 迪)1, 2, CHEN Rong-shi(陈荣石)1, HAN En-hou(韩恩厚)1 1. State Key Laboratory... the Mg-5Gd-5Y/Mg-2Zn-1Gd (GW55/ZG21) laminated composites. After fabrication and annealing treatment, the microstructural evolution, phase constitution, microhardness, and bonding strength were......
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