用于高温汽车应用的绿色成型化合物

Proceedings of 2004 International Conference on the Business of Electronic Product Reliability and Liability (IEEE Cat. No.04EX809) Pub Date : 2004-04-27 DOI:10.1109/BEPRL.2004.1308150

A. Gallo

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引用次数: 5

摘要

使用Au线的汽车电源器件的高温可靠性似乎强烈依赖于Au/Al线结合界面的降解速度。虽然其他类型的电线(例如铝和铜)是可用的，但在不久的将来，金线似乎是首选。电阻测量表明，选择适当的成型化合物是必不可少的，以获得良好的高温效果。以过渡金属氧化物为阻燃剂的绿色成型化合物表现出最好的阻燃效果。通过结合使用绿色成型化合物(过渡金属氧化物)和金属屏障垫设计，在200/spl度/C和大电流下实现20,000小时的目标似乎是可以实现的。

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Green molding compounds for high temperature automotive applications

The high temperature reliability of automotive power devices, using Au wires, seems to be strongly dependent on the rate of degradation of the Au/Al wire bond interface. Although other types of wires are available (e.g. Al and Cu), Au wires appear to be preferred for the near future. Resistance measurements show that the choice of the proper molding compound is essential in achieving good high temperature results. Green molding compounds based on transition metal oxides as flame retardants have shown the best results. The goal of 20,000 hrs at 200/spl deg/C and high current seems to be achievable through the combination of the use of the green molding compound (transition metal oxides) and the metallic barrier pad design.

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Proceedings of 2004 International Conference on the Business of Electronic Product Reliability and Liability (IEEE Cat. No.04EX809)

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