Term · Fab Ops, Yield & Metrology
Fab fingerprint
The set of small, persistent differences in tools, utilities, chemistry and practice that make nominally identical fabs produce subtly different results, visible in parametric distributions and yield signatures.
- Also known as
- Fab signature
- Type
- Term
- Domain
- Fab Ops, Yield & Metrology, Fab operations
Notes
Fingerprints are why customers qualify each fab separately even for the same process node.
Related terms
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