引线键合机换能器计算机数据采集系统

Studies of Computer-based Data Acquisition System for Wire Bonding

换能器是引线键合机的核心部件之一,采集和分析换能器的驱动信号对于研究键合机理有着重要的意义。提出了一种基于数字存储示波器和计算机的引线键合机换能器数据采集系统,讨论了它的硬件组成和软件设计的基本原理,通过计算机编程来控制、读写数字存储示波器,扩展数字存储示波器功能,实现了换能器驱动信号的计算机采集。实测结果表明:该方法稳定可靠,能大大提高数据采集的效率,为进一步的键合机理研究提供了方便有效的数据采集手段。

Ultrasonic bonding is the most commonly used interconnect technology in microelectronics manufacturing.This paper presents a data acquisition solution that enables reliable transfer of the data from digital storage oscilloscope to PC. Realizations of RS 232 serial communications are discussed and accomplished. The measurement shows that the system works well for further processing in bonding studies.