PCB Via Filling: What Should You Specify?
PCB via filling should be specified by function, via location, fill material, final surface, and inspection requirement. A fabrication note […]
August 28, 2026
Drill To Copper Clearance: How Much Is Enough?
Drill to copper clearance is the edge-to-edge distance between a production drill and the nearest copper feature that must not
PCB Drill Size Vs Finished Hole Size: What Should Designers Specify?
PCB designers should normally specify the required finished hole diameter and tolerance; the PCB manufacturer should select the production drill
PCB Conductive Anodic Filament (CAF): Why Insulation Fails Between Vias
PCB conductive anodic filament failure occurs when copper-containing conductive material grows through the PCB dielectric under moisture, electrical bias, and