用微型薄膜电流传感器测量焊线电流

H. Hirai, Y. Kasho, M. Tsukuda, I. Omura
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引用次数: 12

摘要

键合线电流测量技术已成为分析IGBT和功率二极管短路、雪崩破坏等失效现象的重要手段。本文提出了利用多个微膜电流传感器和数字计算技术测量IGBT模块中键合导线电流分布的方法。作者成功地在单次测量下测量了键合线电流。
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Bonding wire current measurement with tiny film current sensors
Bonding wire current measurement technique has been highly desired to analyze failure phenomena, such as short circuit and avalanche destruction of IGBT and power diode. This paper challenged to measure bonding wire current distribution in an IGBT module with the multiple tiny film current sensors and the digital calculation technique. The authors successfully measured bonding wire current under a single shot measurement.
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