Altium Designer Documentation

Working with the SMD To Corner Design Rule on a PCB in Altium Designer

Created: 06.06.2015 | Updated: 15.07.2021
Полное содержание

Rule category: SMT

Rule classification: Unary

Summary

This rule specifies the minimum distance from the edge of a surface mount pad to the first routing corner.

Constraints

Default constraints for the SMD To Corner rule.

  • Distance – the value for the minimum permissible distance from the SMD pad edge to the start of the first routing corner.

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 matches the object(s) being checked.

Rule Application

Online DRC and Batch DRC, as well as the interactive router. The interactive router will obey this rule by maintaining a straight pad exit trace emanating from the pad center on any allowed "entry angle" (see SMD Entry rule), at least to the distance specified.

The SMD to Corner rule defines the distance to the first corner. Use the SMD Entry rule to specify where the route is allowed to enter/exit the SMD pad.The SMD to Corner rule defines the distance to the first corner. Use the SMD Entry rule to specify where the route is allowed to enter/exit the SMD pad.

 

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