Abstract

Significant improvements in the performance of modern integrated circuits (ICs) require also an increase of the performance of the used circuit internal test techniques regarding bandwidth, spatial resolution, and sensitivity. Due to its outstanding lateral and vertical spatial resolution in the nanometer regime scanning force microscopy (SFM) based on scanning probe microscopes is well suited for the investigation of very small structures. Furthermore it has been demonstrated that with SFM also electric signals can be contactless tested. This feature can be used for a circuit internal failure analysis of ICs. In this paper principles, examples, and the state-of-the-art of voltage and current measurement based on SFM will be presented.

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