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Working with the Hole Size Design Rule on a PCB in Altium NEXUS

Created: März 23, 2017 | Updated: September 26, 2019 | Applies to versions: 1.0, 1.1, 2.0, 2.1, 3.0, 3.1 and 3.2

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Rule category: Manufacturing

Rule classification: Unary

Summary

This rule specifies the maximum and minimum hole size for pads and vias in the design. The hole size is the diameter of the hole to be drilled through the pad/via during fabrication.

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 Hole Size rule.Default constraints for the Hole Size rule.

  • Measurement Method - specifies the method used in defining the minimum/maximum hole sizes:
    • Absolute - the values for minimum/maximum hole sizes will be absolute values.
    • Percent - the minimum/maximum hole sizes will be expressed as percentages of the pad/via size.
  • Minimum - the value for the minimum hole size with respect to pads and vias in the design. The value will appear as an absolute value (Default = 1mil) or percentage of the pad/via size (Default = 20%), depending on the measurement method selected.
  • Maximum - the value for the maximum hole size with respect to pads and vias in the design. The value will appear as an absolute value (default = 100mil) or percentage of the pad/via size (Default = 80%), depending on the measurement method selected.

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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