Number of layers: 12L
Board thickness: 3.2mm
Copper thickness: 3/4 / 3oz
Surface treatment: chemical nickel gold
Line width and space: 0.25 mil/ 0.25mil
Uses: base station power
Technical characteristics: The product is applied to small base station power supply, the thickness of copper in the hole is 70um, the via hole is plugged with resin, the thickness of copper in the inner layer is 4oz, and the thickness of the outer layer is 3oz.