1) Single Side Layer with copper base: 0.5mm-3.2mm; 2) There has deep control routing for heat sink 3) Copper foil: 0.5-4OZ

 Metal PCB CoolRATE (SL) Single Layer

Cooper base thickness: C1100. thickness: 0.5MM-4MM 

Copper:4 oz copper thickness pcb

Soldmask: Black

Gold: 35u"

Surface:Ni/Au

Metal PCB