pcb-2688 Thickness: 1.6mm ROHS&UL standard Surface processing; Immersion gold pcb-2688Thickness: 1.6mmROHS&UL standardSurface processing; Immersion goldOur PCB capability:Material used: FR4, High Tg Minimum 170C, Hifrequency, Metal based: Aluminium ect.Maximum Panel Size: 26" X 26" (660mm X 660mm)Line Width & Spacing: Minimum Line Width (Internal) 4 mil (0.1 mm) for mass production and 3mil for ...