Abstract
In this paper, we discuss and showcase a 2-step defect isolation methodology by combining Focused Ion Beam “circuit editing” (FIB circuit edit) and Passive Voltage Contrast (PVC) imaging. The combo technique is an effective, robust, and time saving method for isolating defects in large area circuit structures for advanced nodes. The application of FIB circuit edits successfully enhanced the PVC efficiency in defect isolation. More importantly, the developed 2-step methodology improves failure analysis (FA) success rate and quality, and reduces FA turn-aroundtime (TAT).
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2023
ASM International
Issue Section:
FIB Circuit Analysis and Edit
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