Reliability Investigation at
Development Phase
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- Check reliability capabilities starting with first full design wafers
- Perform DoE’s (Design of Experiment) during learning cycles and assess
reliability to find optimal process flow and define process windows
- Confirm a sufficient quality before starting the final qualification phase
- Learn about the typical failure modes and create degradation/lifetime
models
- Adaption or creation of test methods to address new failure
mechanisms and modes
- Based on derived lifetime models screening procedures can be
implemented if needed
In a single phrase:
During development phase reliability investigations are
driven to assess and improve technology reliability and
learn about failure mechanisms and generate
models on them