... substrate pcb 3.aluminum base copper-clad laminate pcb 4.aluminum base pcbAs a Aluminum PCB manufacturer.The good ... as follows: 1)material: FR-4, FR-1, CEM-1, CEM-3, FR-4 Halogen Free, Aluminum based 2)layer ... : 1-12 3)board thickness: 0.4mm-3.2mm 4)copper thickness: 0.5oz, 1.0oz, 2oz, 3oz, 5 ... )min. Drilled hole size: 0.2mm 6)min. Track width/space: 4/4mil(0.1/0.1mm) 7)surface finish: HASL, ...