20 Layers ATE PCB board
PCB Layer: 20 Layer
Material: FR4 High TG
Board thickness: 6.35mm,
Finishing copper thickness: inner and outer 1/1oz,
Surface finished: ENIG+hard gold plating 50u”.
Special technology:
1.Via in pad technology
2. Press-fit holes
3.impedance control 50 ohm +/-10%.
4.Contersink holes
This board used in semiconductor testing.


