... information, automobile electronics, communication devices,military gadgets ProductSingle sided to 12 layers PCBMaterialFR1, FR2, CEM1, CEM3, FR4, ... .2mmBase copperH oz to 6ozMin. hole sizeMin LW/LS0.3mm0.1mm(Flash Gold)/0.15mm(HASL)Aspect ratio1 : ... tol.PTH: +/-0.08mm, NPTH: +/-0.05mmHole location tol.+/-0.05mmGold thickness0.05um to 1.5umNickel thickness1um to 5umPCBA Making ProcessDrilling----- ...