... Thickness: 0.2-3.0mm*Solder mask: green, black, red ,yellow, white*Min. line width: 0.2mm*Min. ... 20mmMin drilling diameter0.20mmThickness of solder maskLine end 0.4-1.2milLine comer ≥0.2milHardness of solder mask6HMin ... board SERVICE:1) procurement agent electronic components,share with the best quanlity best price's electronic components in ... TO VISIT OUR HOME OSP multilayer pcb with 4-20 layer PCB