review-etching-evidenceSupplied evidence required
Qualified etch records and local removal
Offline review with additional files and records
Scope and limits
Compares complete calibrated etch histories and required paired local surface measurements with supplied qualified bounds.
This review is available through the separate offline tools. It does not run automatically when you upload a STEP file and requires the additional inputs described below.
Required inputs
Substrate/material/lot, chemistry/recipe/batch, setup/profile, measured histories and paired removal observations.
Assessment limits
No universal etch-rate rule, CAD-based removal prediction or whole-surface inference from local measurements.