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

Created: 三月 17, 2022 | Updated: 三月 18, 2022 | Applies to version: 21

This document is no longer available beyond version 21.0. Information can now be found here: SMD To Plane Rule for version 25

 

Rule category: SMT

Rule classification: Unary

Summary

This rule specifies the maximum routing length from the center of a surface mount pad to the center of the pad/via connecting to a power plane.

All design rules are created and managed within the PCB Rules and Constraints Editor dialog. For a high-level view of working with the design rules system, see Defining, Scoping & Managing PCB Design Rules.

Constraints

Default constraints for the SMD To Plane rule.Default constraints for the SMD To Plane rule.

  • Distance - the value for the maximum permissible distance from SMD pad to pad/via connecting to the power plane.

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.

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