... legend height25milSilk legend colorWhite/ yellow /blackData file formatGERBER file and corresponding drilling file,PROTEL series,PADS2000,POWERPCB series,ODB++Electricity ... 100% electrical performance testing,high pressure testingPower Various types base material to PCB processingHigh TG board, high frequency board( ... gold slice up, Solder ability. laptop Electronic Multilayer PCB Board with led pcb