Experimental studies of frequency characteristic on transducer power supply and vibration system in ultrasonic bonding system

被引：0
|
作者：
Zhou Hongquan [1 ]
Han Lei [1 ]
Zhong Jue [1 ]
机构：
[1] Cent S Univ, Coll Electromech Engn, Changsha 410083, Peoples R China
来源：
PROCEEDINGS OF THE SEVENTH IEEE CPMT CONFERENCE ON HIGH DENSITY MICROSYSTEM DESIGN, PACKAGING AND FAILURE ANALYSIS (HDP'05) | 2005年
关键词：
ultrasonic bonding; power supply; OTL power amplifier; frequency characteristics; bonding tool;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
PZT transducer works on its nature frequency in the process of ultrasonic wire bonding. Its actual frequency characteristic needs to be investigated for best performance. A Direct Digital Synthesizer (DDS) was used to sweep frequency for Output Transformerless (OTL) power amplifier. Actual input and output voltage of OTL power amplifier component was acquired and analyzed. The experiment shows that OTL power amplifier component can be regarded as a linear system and that transfer function for this component also can be obtained with the data processing. This paper studied the influence of the bonding tool also. Deflection vibration of the tool will change dynamical characteristics of the transducer system.
引用
收藏
页码：426 / 429
页数：4
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