... : ROHS, UL, ISO9001-2000, ISO14001Our Manufacturing Capability for PCB BoardMaterial type: Ployimide ( PI ), Ployester (PET), FR4Surface Treatment: immersion gold,OSP, immersion ... modelal substrate cu substratematerial thermal conductivity1.0/m.k, 1.5/m.k, 2.0/m.k, 3.0/m.k thermal impedance0.85 ... °C/W – 0.4 °C/W al base material ...