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Layer：32
Min line width/space：0.068mm/0.106mm
Min distance between inner PTH and line：0.25mm
min back drill hole： 0.20mm
Board thickness：4.415+0.46/-0.42mm
Size：282mm×750mm
Aspect ratio：22
Finish：OSP
Technical feature: singal impedance 54Ω±10% and differental impedance 93+7/-8Ω
back panel pcb
