PCB board SpecificationsPcb thickness:1.2mmLayer account:single layerSurface finished:HASL LEAD FREELine width&space5/6milsFinished ... factory built,at that time,we have started fabrication single layer circuit boards. as the electronics development so fast,kdpcb ... With us, you receive unparalleled technical expertise support for single layer pcb manufacture or PCBA;we strive for our customers ...