In general failure analysis cases, a less invasive fault isolation approach can be utilized to resolve a visual root cause defect. In the case of nano technology, visual defects are not readily resolved, due to an increase in nonvisible defects. The nonvisible defects result in a lower success rate since conventional FA methods/tools are not efficient in identifying the failure root cause. For the advanced nanometer process, this phenomenon is becoming more common; therefore the utilization of advanced techniques are required to get more evidence to resolve the failure mechanism. The use of nanoprobe technology enables advanced device characterization in order to obtain more clues to the possible failure mechanism before utilizing the traditional physical failure analysis techniques.

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