... :E313409, ISO9001:2000,Rohs (3)FR-4 (4)Routing:CNC PCB production process Technical Capability Min Lin Width/Space3mil(0.076mm ... Finger, etcBase Material TypesFR-4, Metal Base(Aluminum base,Copper Base, etc),PTFE(Rogers,ARLON,TACONIC,etc), Ceramics Base LaminatesSpecial TechnologyResin Plugged(POFV), Blind&buried ...