1.1-16 layers, FR4, Au. 2.Short Lead Lime. 3.UL,RoHS,SGS, ISO9001:2000 4 ... Copper Thickness: 0.5-5 OZ Finished Board Thickness: 0.2-6.0mm Min. Line/Track Width: 3mil Min. Line/Track ... : HAL, Lead Free HAL, Immersion gold, OSP, Immersion tin, Immersion silver, etc. Other Technology: Gold finger, peelable mask, Non-across blind ... analysis, etc. Wrap and twist: ≤0.7% Flammability: 94V-0 2 Layers PCB Boards