... and power supply PCB. Features of Aluminum Material 1. Material --- imported high thermal conductive material is ... ink which posses the features of thermal shock resistant and anti-yellow, in particular for high-class ... via holesMain base material:FR-1, FR-2, FR-4, CEM-1, CEM-3, High Frequency Laminate with ... finished board thickness 0.20-3mmCopper Foil Thickness:1/3 OZ–5 OZ (18um – 175um)Min. hole ...