4-Layer PCB
1) Base material: FR-4, FR-1, FR-2, CEM-1, CEM-3, G-10, base metal laminate 2) Board thickness: 0.30 - 3.20mm (12 - 26mil) 3) Copper thickness: 0.50 - 5oz. 4) Solder mask: LPI solder mask, conventional solder mask, peelable solder mask, UV solder ...