Abstract

With the scaling of semiconductor devices to nanometer range, ensuring surface uniformity over a large area while performing top down physical delayering has become a greater challenge. In this paper, the application of laser deprocessing technique (LDT) to achieve better surface uniformity as well as for fast deprocessing of sample for defect identification in nanoscale devices are discussed. The proposed laser deprocess technique is a cost-effective and quick way to deprocess sample for defect identification and Transmission Electron Microscopy (TEM) analysis.

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