... for clients* 6: PCBA/finished product Test. etc. 1.PCB Specification detail. ItemSpecification1Numbr of Layer1-38Layers2MaterialFR-4,FR2. ... Taconic,Rogers, CEM-1 CEM-3,ceramic , crockery Metal-backed Laminate3Finish Board ... hole soldering technology;2).Various sizes,like 1206,0805,0603 components SMT technology;3).ICT(In Circuit Test), ...