Electronic – How to apply a rule to only one component in altium

altiumdesign-rules

I would leave the insulation of copper with 0.35 mm across the board except in a microcontroller. It requires that the insulation allowed is 0.2 mm because of the distances between the pad. How to make a rule unique to this component?
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Best Answer

As this problem regards with the footprint itself, instead of being a problem of a whole net or component, you can proceed making a rule just for the footprint.

I've done this with success:

  1. Design > Rules > Clearance > New Rule
  2. Change the new rule priority to the highest, or if you have plenty rules, arrange it correctly to make it work.
  3. Enter the new rule properties with double click
  4. In "Where The First Object Matches", select "Custom Query"
  5. Write "HasFootprint('NameOfYourFootprint')
  6. Set the desired values in the Constraints tab, then accept.

Now we are going to re run the design rule checker.

  1. Tools > Reset Error Markers
  2. Tools > Design Rule Checker > Run Design Rule Check

Hope this works for you too.

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