... :2000 2,Aluminium base pcb with low price,fast delivery 3.20 year in PCB PCB Specification : 1) Layer:Single-sided2) Board finished ... .18"*1.18"--22.05"*28.35" (30mm*30mm--560mmX720mm)Board Thickness Tolerance±10%Cooper thickness1/2OZ-3OZImpedance Control±10%Warpage ... ° 45° 60°Data file format GERBER file,,PROTEL series,PADS2000,POWER PCB series,ODB++Certificate ROHS ISO9001:2000 ISO9001:2008 IPC SGS ...