
Specifications and Tolerance
Complete range of PCB manufacturing & assembly services with precise specifications and tolerances to suit your requirements
Board Characteristics
Specifications for various board characteristics
| Specification | Standard | Advanced | 
|---|---|---|
| Minimum Layer Count | 01 | 01 | 
| Maximum Layer Count | 16 | 32 | 
| Trace/Space | 0.005″ | 0.003″ | 
| Controlled Impedance | +/- 10% | +/- 5% | 
| Annular Ring | 0.005″ | 0.003″ Mechanical, 0.001″ Laser | 
| Outer Layers Finished Copper | 1 oz to 2 oz | 1 oz to 4 oz | 
| Inner Layers Finished Copper | 0.5 oz to 2 oz | 0.3 oz to 3 oz | 
| Filled Vias | N/A | Non-Conductive Fill or Conductive Fill | 
| Smallest Mechanical Drill Diameter | 0.006″ | 0.004″ | 
| Smallest Laser Drill Diameter | 0.004″ | N/A | 
| Blind Vias | No | Yes | 
| Buried Vias | No | Yes | 
| Aspect Ratio | 10:01 | 15:01 | 
| Plated Hole to Copper | 0.008″ | 0.005″ | 
| Clearance – Copper to Edge of Board (Outer Layer) | 0.010″ | 0.005″ | 
| Clearance – Copper to Edge of Board (Inner Layer) | 0.015″ | 0.005″ | 
| Minimum Panel Size | 9″ x 12″ | 8″ x 8″ | 
| Maximum Panel Size | 18″ x 24″ | 24″ x 36″ | 
| Plated Slots | Routed | Routed or Nibbled | 
| Non-Plated Slots | Routed | Routed or Nibbled | 
| Plating in Holes | 0.0008″ | 0.0015″ | 
| Web Soldermask (DAM) | 0.004″ | 0.004″ | 
| Soldermask Clearance | 0.003″ | 0.001″ | 
| Silkscreen Width | 0.005″ | 0.003″ |