12 Layer IPC Class3 PCB
தயாரிப்பு விளக்கம்
Layer: 12
Tg: TG170
Thickness: 1.6mm
Outer: 1OZ
Inner 1/HOZ
Min trace/space: 3.5/3.5mil
Min hole size: 0.25mm
Solder mask: Blue
Silkscreen: White
Surface finish: ENIG 2u"
Others: Impedance control
https://www.unikpcb.com/12-layer-ipc-class3-pcb_p0148.html