... thickness 4.UL ISO9001 certificater 5.Green HDI multilayer pcb1.Name of the commodity: High Frequency ... specification DescriptionDetails SpecificationBase MaterialFR-4,Aluminium-backed board,Halogen-free,Lead-free compatible,High Tg,High ... typeHigh precision multi-layer board,Blind hole board, Buyerd hole board,High frequency board,Aluminium backed boardCertificateISO9001.UL etcWelcome ...