Immersion gold finishing on 8 layer power supply which made of 8 layer heavy copper core pcb in FR4 EM827 material. The board thickness is 1.60 mm and 3 Oz copper thickness of inner and outer layer. 8 layer circuit board widely uses in tablet power supply. Don’t hesitate to contact Hitech, your best supplier of 8 layer power supply circuit board in China.
Technical Parameters