14 layers RO4003C+high TG mix pressed board,L1-L10 blind hole,its hole size is 0.15mm,inner layer of yin and yang copper,L1-4/L1-9 0.3mm backdrill,inner spacing 7mil,resin plug hole
link:http://www.uniwellcircuits.net
14 layers RO4003C+high TG mix pressed board