The smallest gap width 4mil lines 4mil Minimum aperture 0.25mm thickness 0.80mm certificate:UL,ROHS,REACH,SGS Double-sided HASL PCB boardCategoryItemHigh-volume processing capacitySample and small batch processingTechnology Product CategorySingle / dual panel, multilayer, high-frequency board, with buried / blind plateMulti-material mixing pressureSurface TreatmentChemical Immersion Gold, ...