Pad hole ring copper Specification

Pad-hole-ring-copper Specification

copper thickness	min trace	min trace space	min space between the trace and bigcopper	min hole size	min pad size	space between hole to trace(inner layer)	min pad ring
H OZ	3MIL	3MIL	4MIL/th>	0.2MM (7.874MIL)	Min hole size+2X4MIL	6MIL	4MIL
1oz	4MIL	4MIL	6MIL	0.2MM (7.874MIL)	Min hole size ﹢2×5MILs	7MIL	5MIL
2oz	7MIL	7MIL	8MIL	0.3MM (11.811MIL)	Min hole size ﹢2×8MIL	8MIL	8MIL
3oz	10MIL	10MIL	10MIL	0.35MM (13.7795MIL)	Min hole size ﹢2×10MIL	8MIL	10MIL
4oz	12MIL	12MIL	10MIL	0.4MM (15.748MIL)	Min hole size ﹢2×12MIL	9MIL	12MIL

	Trace Width and Trace Space	Diameter of PTH	Diameter of NPTH	Finish Board Thickness
Tolerance	±10%	±3MIL	±2MIL	±10%