Plane - Power Plane Clearance

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

This document is no longer available beyond version 21. Information can now be found here: Power Plane Clearance Rule for version 25

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Rule category: Plane

Rule classification: Unary

Summary Copy Link Copied

This rule specifies the radial clearance created around vias and pads that pass through but are not connected to a power plane.

In PCB design, this clearance is also referred to as an antipad (or anti-pad).

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 Copy Link Copied

Default constraints for the Power Plane Clearance Rule.

Clearance - the value for the radial clearance.

How Duplicate Rule Contentions are Resolved Copy Link Copied

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 Copy Link Copied

During output generation.

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Content

Summary
Constraints
How Duplicate Rule Contentions are Resolved
Rule Application