... and technology standardCertificateISO9001,ISO14001, ULSurface FinishingPlating Nickel and immersion Gold, Hot Air (HASL), HASL Lead Free, OSP, Immersion TinMax.panel ... 5mmBoard warpagesingle side<=1.0%double side<=0.6%multi-layer<=0.6%Min.Thickness0.2mm±0.08mmMin.Line widthHASL ... accuracy±0.2mm(±8mil)product typesingle side double side multi-layer and flexible boardBase MaterialFR-4, CEM-1, CEM-3, ...