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Altium Polygon to Follow Via-to-Poly Clearance Instead of Track-to-Poly on Transitio

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ivan27807

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A pcb has a specific transition requirement where polygon pour gap around the via needs to be 0.17mm while the gap of the stripline to polygon pour is .425mm. The via-to-pour gap rule has been set to higher priority but the gap doesn't decreased around the via because the stripline terminates in the middle of the via.

VIA RULE (Higher Priority):

Where the first object matches:
((ObjectKind = 'Via') And ((DrillPair = 'Top Layer - Mid Layer 3') OR (DrillPair = 'Mid Layer 6 - Bottom Layer')) And (PadViaLibraryTemplate = 'v46h20'))

Where the second object matches: All

Value set to: 0.17mm (different nets only)

STRIPLINE RULE:

Where the first object matches:
(OnMid and (InNetClass('A') or InNetClass('B')))

Where the second object matches: All

Value set to: 0.425mm (different nets only)

Is anyone here knows to create the same pattern as shown in the attached "Recommended PCB Transition" using altium design rules? Manual process is not suitable as this transition is present all over the pcb.

Thank you in advance.
 

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  • Altium Transition.JPG
    Altium Transition.JPG
    31.6 KB · Views: 125
  • Recommended PCB Transition.JPG
    Recommended PCB Transition.JPG
    45.4 KB · Views: 174

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