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Packaging has become a crucial process due to the paradigm shift of More than Moore. Addressing manufacturing and yield issues is a significant challenge for modern layout algorithms. We propose to use printed circuit board (PCB) placement as a benchmark for the packaging problem. A maximum-margin formulation is devised to improve the separation between nets. Our framework includes seed layout proposals, a coordinate descent-based procedure to optimize routability, and a mixed-integer linear programming method to legalize the layout. We perform an extensive study with 14 PCB designs and an open-source router. We show that the placements produced by NS-place improve routed wirelength by up to 25&#x0025;, reduce the number of vias by up to 50&#x0025;, and reduce the number of DRVs by 79&#x0025; compared to manual and wirelength-minimal placements.

Net Separation-Oriented Printed Circuit Board Placement via Margin Maximization