PCB BOARD 1) Enig / IMMERSION GOLD 2) RED, GREEN, BLUE, BLACK, WHITE COLOR 3) DOUBLE SIDE 4) UL, ROHS CERTIFICAL PCB BOARD1) Layers: 22) ... Base material: FR-43) Board thickness: 0.6-3.2mm4) Min. ... 6x6mil6) Outline: routing, punching, V-cut, chamfered7) Surface finish: Immersion Gold 8) Copper thickness: 0.5oz, 1oz, 2oz9) Red Solder Mask10 ...