... 3, Quick shipment and Good after-sale service Aluminium Base Metal Clad PCB/LED circuit board PCB in ... capability :SpecificationsDetailsMaterial TypeFR-4, CEM-1, CEM-3, Aluminium Clad,Arlon*,Teflon,Taconic, Rogers*, Polyimide*, Kapton,DupontMaterial Thickness ... 0.250 DiameterControl ImpedenceYesBlind Vias / Buried ViasYesPeelable MaskYesCarbonYes Aluminium Base Metal Clad PCB/LED circuit board PCB ...