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Technical description
4L Heavy copper core PCB
Layer: 4L
Material: FR-4 Tg150
Size: 70.8*76.2mm
Board thickness: 2.0mm
Surface finished: Immersion gold
Copper thickness: Inner layer 3 Oz, out layer, 3Oz
Min through hole: 0.35mm
Advantage
Position control systems,multilayer pcb with the heavy copper core(3oz).SAYFU COMPANY:Pcb factory in shenzhen.
http://www.sayfu-circuit.com/