Layer Pairs
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Rule Category: Manufacturing
Rule Classification: Unary
Summary
Checks to ensure that the used layer-pairs match the current drill-pairs. The used layer-pairs are determined from the vias and pads found in the board, one layer-pair for each Start Layer-End Layer combination that is found.
Constraints
| Enforce layer pairs settings | Specifies whether the check is made or not. (Default = enabled). |
How Duplicate Rule Contentions are Resolved
All rules are resolved by the priority setting. The system goes through the rules from highest to lowest priority and picks the first one whose scope expression(s) match the object(s) being checked.
Rule Application
Online DRC, Batch DRC and during interactive routing.