COMPUTER PCB thinkness:1.6mm copper thinkness:1oz base material:FR1 min hole:0.4mm min line width:4mil COMPUTER PCB· FR1 Single Sided PCB with Peelable Mask, V-Score.· FR4 Single Sided PCB with Red Solder Mask, HASL Finish, Contour Punched.· FR1 Single Sided PCB with Flash Gold, Peelable Mask, White Legend, Hole & Contour Punched.· FR1 Single Sided PCB with Green Soldermask, Yellow Legend, Hole & ...