Layer: 1 to 32 layers Material type: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free, Rogers Board thickness: 0.21mm to 7.0mm Copper thickness: 0.5 OZ to 7.0 OZ Copper thickness in hole: >25.0 um (>1mil) Max. Board Size: 23 ¡¨¢ 25 (580mm¡¨¢900mm) Min. Drilled Hole Size: 3mil (0.075mm) Min. Line Width: 3mil (0.075mm) Min. Line Spacing: 3mil (0.075mm)