double sided FR-4 PCB board
Item                              Manufacture Capability
Layers                            1-20 Layers 
Material                          FR-4, Aluminium Base, Rogers, Taconic 
Finish Board Thickness            0.2mm-3.2mm(8mil-126mil) 
External Copper Thickness         35um-210um 
Internal Copper Thickness         17um-140um 
Copper Plating Hole               18-40um 
Min. Trace Width & Line Spacing   0.075mm/0.1mm(3mil/4mil)
Min. Hole Dimension(CNC)          0.20mm(8mil)
Min. Hole Dimension(Punching)     0.9mm(35mil)
Max. Panel Dimension              610mm*508mm
Hole Position Tolerance(CNC)      +/-0.075mm 
Hole Dimension Tolerance(CNC)     PTH:+/- 0.075mm, NPTH:+/- 0.05mm 
Outline Tolerance                 CNC: +/-0.125mm, Punching:+/-0.15mm 
Warp &Twist                       0.70%
Min. Solder Mask Bridge           0.0635mm
Distance Between Line to Board Edge Outline: 0.25mm  V-CUT: 0.40mm 
Impedance Control Tolerance       +/-10% 
Test Voltage                      10-300V 
Solder Mask Types                 White, Blue, Matt Green, Matt Black etc.
Surface Finishing           Immersion Silver, Plate Gold, Gold Finger, HASL, OSP