... price4. Certificate: ROHS, UL, ISO9001-2000, ISO14001Our Manufacturing Capability for PCB BoardMaterial type: aluminium baseSurface Treatment: HASL,HASL lead-free,HAL ... thickness: 0.5 OZ to 3 OZLow cost (100USD) Prototype PCB:Qty: 10pcsBoard size: 100mm*150mmLayers: Double-sidedMaterial: FR4 or ... cu substrate material thermal conductivity1.0/m.k, 1.5/m.k, 2.0/m.k, 3.0/m.k thermal impedance0.85 °C ...