... . Immersion gold can meet Rohs3. Teflon PCB, Rogers PCB,Arlon PCB, High Frequency BoardEnterprise--------------------------------------------------------------------------------1, shorten ... , High TG FR4,Halogen Free material,CEM-1, Rogers, HF material, etc. Layer counts: 1-16 ... Free HAL, Immersion gold, OSP, Immersion tin, Immersion silver, etc. Other Technology: Gold finger, peelable mask, Non ...