... 0.006" Blind, Buried and plugged Vias Controlled impedance Material Thickness: 0.008" to 0.240" FR-4 ... High TG FR-4 PTFE Aluminum Base Rogers Specialized material per your request Solder Mask LPI :Green, Yellow, ... per your request Inspection Methods 100% Visual inspection Electrical testing,Flying probe or Nails Bed Sample lot inspection ... days PCB design, ,EMS service, pcb from Leadsintec Co.,Ltd.