6 layer hasl printed circuit board1,base material:FR-4 epoxy resin2,cooper thickness:1/2OZ 1OZ 2OZ 3OZ(17um 35um 70um 105um)3,board thickness:0.6mm4,min.hole size:0.15mm5,min.line width:0.075mm6,min.line spacing:0.1mm7,surface finishing:HASL8,form:punching,routing,v-cut,bevelingOur Production...