Edge Plating and Castellated Holes
Edge plating shields and grounds at the perimeter; castellated holes make a module solderable to a host.
Edge plating
Continuous sidewall copper for EMI and mechanical ground.
Castellations
Half-plated holes form a solderable module edge.
Process care
Both need masking discipline to avoid shorts.
Key Takeaways
Key Takeaways
- Edge plating aids EMI and ground.
- Castellations make modules solderable.
- Mask carefully to avoid shorts.



