引线框架材料是半导体元器件和集成电路封装的主要材料之一.其主要功能为电路连接、散热、机械支撑等.随着IC向高密度、小型化、大功率、低成本方向发展,集成电路I/O数目增多、引脚间距减小,对引线框架材料提出了高强度、高导电、高导热等多方面性能上的要求.由于拥有良好的导电导热性能.铜合金已成为主要的引线框架材料.本文对电子封装铜舍金引线框架材料的性能要求、国内外研究与发展等进行了综述.
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