28+ Tented Vias UK. Tenting vias does have its downsides. You can leave vias exposed or plug them completely.
Difference Between Via Tenting Via Filling And Via Plugging from www.qualiecocircuits.com.au Tenting refers to the soldermask and vias. Tenting vias of a printed circuit board is a common practice to protect printed circuit boards. Tenting or capping in pcb means covering the annular ring and via hole with solder mask.
Tenting is preferred over the filling, in many cases, as we shall see.
As mentioned above tenting vias in pcb is the process of coating the vias' annular ring. This is the easiest and least costly process—actually there is no added cost for this process. During tenting, a solder mask is applied on. 12mil isolation on polygon pour.
