4 Layer FR4 Tg150

FR4 TG150  1.6MM+/-10% Immersion gold finishing(gold thickness 2U''), black soldermask, white legend

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FR-4 PCB 1-30 LAYER

Aluminum PCB 1-2 layer

Copper PCB 1layer

FR4+Aluminum substrate mixed lamination

FR-4+Rogers high frequency material mixed lamination