1.4L dvd decoder PCB; 2.good quality,reasonable price; 3.quicker delivery; ... RoHS Compliant)/CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm( ... ,gold:0.5-0.7umOSP/flash gold 0.2-0.5umPealable maskcover all on pad,thickness≥0. ... the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! 4 Layer PCB for dvd decoder board