طراحی و ساخت PCB با متریال FR-4 Aluminum Board Aluminum Rogers Rogers HDI HDI(Buried/blind vias)≥4 Layers CopperCopper Base /High-CTI(>=600V) High-CTI(Halogen-free,>=600V) ≈High Speed(GHz) ≡High Frequency PCBs(DK) Special Material(High low temperature