Product Description: Double Sided PCB is a kind of double-layer printed wiring board (PWB) or double-layer printed circuit board (PCB), which is made of two copper layers connected by vias. It has excellent electrical properties and high density. It is suitable for miniaturization and high-density products. The minimum slot width is 0.2mm, the minimum hole space is 0.2mm, the minimum annular ring is 0.2mm and the minimum slot space is 0.2mm. The copper thickness of the board