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Wecan manufacture PCB in higher quality, more competitive price, quicker delivery and better logistic service…Welcome to send us RFQ! This form is of my company's process capacity for your reference, for more messages, pls contact with us freely! ItemSpecificationMaterialFR-4 / Hi-Tg FR-4 / Lead free Materials(RoHS Compliant)/CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm(tolerance)Copper Thickness1/2OZ-3OZ (35um to 105um),+/-8um(tolerance),purity 99.5%Impedance Control±10%Bow and Twist MAX.0.75%(SMT)Anti-strip0.88N/mmResistance≤20ΩReactance500VMin. ValueMin. Trace/Space Width6 mil,+/-0.15mm(tolerance)SMD Pitch10 milBGA Pitch20 milMin Pad Space4mil(SMT)Plating Copper Thickness15umHoleHole Size0.25mm--6.2mmHole Position Tolerance±0.1mmPTH/NPTH Tolerance±0.15mm(dia.=0.4-1.4mm)Pad Tolerance±0.1mm(dia.≥0.6mm)Pad to hole/to pad Tolerance±0.05mm/±0.2mmSolder MaskPad no Opensoldermask must cover all on both side, reject tin on pad Pad Openreject soldermask inside the hole on both side Solder Mask Thickness0.7mil,raised H≤0.05Colourgreen,blue,red,yellow,black,white(LPI/MATT.,UL 94 V0 approved)Surface FinishHALtin height≤0.05mmENIGNickel 3-7um,gold:0.5-0.7umOSP/flash gold0.2-0.5umPealable maskcover all on pad,thickness≥0.20mmCarbon Inkcover all on trace,Value≤30ΩOutlineOutline Tolerance±0.2mmBeveling30°,45°V-cut position/depth±0.2mm(length≤100mm)/±0.2mmPunch±0.1mmE-testing pass percent97% pass for the first time,+/-2%(tolerance)CertificateSGS,ISO,ROHS,UL, Welcome to visit WALBOND !