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Shave-off Vector Profiling For Tem Samples

机译:Tem样本的剃除矢量分析

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摘要

This study aims to cross-check the same sample, the same part and the same piece by shave-off profiling and scanning transmission electron microscope (STEM) imaging. For cross-check analysis, a piece was picked up from a failed IC package which might cause electrochemical migration. Critical disagreement on each result was gradient curve on shave-off depth profiling from anode to cathode. In the same piece, shave-off profiling visualized a faint gradient of migrated ions which could not be observed by STEM imaging.
机译:这项研究旨在通过刮除轮廓和扫描透射电子显微镜(STEM)成像来交叉检查相同的样品,相同的零件和相同的零件。为了进行交叉检查分析,从有故障的IC封装中取出了一块,这可能会导致电化学迁移。每个结果的关键分歧在于从阳极到阴极的剃除深度轮廓上的梯度曲线。在同一张图中,剃除轮廓显示了迁移离子的微弱梯度,这是STEM成像无法观察到的。

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