Efficient Polygon Practice in Altium Designer

Efficient Polygon Practice in Altium Designer

Creating, Deleting, and modifying the polygon pours on your board is something you do everyday but are you doing it in the quickest most efficient way?

The copper pours you place on your board can make or break your product. You need to make sure you’re handling not only Analog and Digital power but signals as well.

Timing

Thursday, 11 June 2020  | 11:00 AM to 12:00 PM

JOIN THE WEBINAR TO DISCOVER:

• How to create polygons
• How to merge polygons
• How to modify polygon outlines

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Why polygon discipline matters

Polygon shapes carry the bulk of return current on most modern Indian PCB designs, power planes, ground planes, and the local copper pours under high-current loads. Get the polygon strategy wrong and the symptoms surface late: thermal hotspots that only show up under load, EMC test failures, voltage drop at distant loads, return-path discontinuities under high-speed signals. Get it right and the rest of the layout work becomes far less constrained, since signal layers no longer fight the power-plane geometry for via stitching and clearance budgets.

How Siemens Xpedition handles polygons

GSAS Micro Systems is Siemens EDA’s authorized engineering partner in India. Xpedition Standard and Xpedition Enterprise approach polygon pours through the same constraint-driven framework that governs the rest of the layout, clearances, antipads, stitching rules, and pour priorities live in the design rules and propagate consistently across every layer of the stack. The constraint-aware sketch router respects polygon priorities while routing high-speed signals through plane gaps, which is exactly the failure mode (signal-on-plane-with-wrong-priority) that costs Indian engineering teams hours of manual rework on Altium’s per-polygon priority model.

Xpedition Enterprise adds PI-DC analysis through the HyperLynx PI integration, the same polygon shapes routed in layout simulate as the actual power network, surfacing voltage drop and current density problems while the design is still mid-layout rather than waiting for prototype thermal-camera evidence.

For a topic-by-topic comparison of how each tool handles routing, polygons, and signal integrity workflows, see our Altium Designer vs Siemens Xpedition Standard for Indian PCB teams guide.