Multilayer 4oz thick copper plate

• Number of floors：12L
• Board thickness：3.2mm
• Copper thickness：3/4 / 3oz
• Surface treatment：chemical nickel gold
• Line width and space：0.25mil / 0.25mil
• Application：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.