1.camera circuit board 2.6layers immersion gold board 3.1.6mm camera circuit board 4.UL ISO9001 certificate 5 ... reference. DescriptionDetails SpecificationBase MaterialFR-4,Aluminium-backed board,Halogen-free,Lead-free compatible,High Tg,High ... gold finger plating,Immersion Silver+gold finger platingProduction typeHigh precision multi-layer board,Blind hole board, Buyerd hole board,High frequency board ...