... Tg Fr4, high frequency board (Teflon, Rogers, Arlon), Halogen free, rigid-flexible board 3) Board thickness: 0.21-6. ... 0mm 4) Layer counts: 2-16 layers 5) Surface finishes: HASL, lead-free HASL, immersion gold, gold finger, gold ... , computer, communication, industrial, security, power, traffic control board SMD, DIP, AI OEM/ODM assembly. Complete product including ...