... , S1170), Rogers,Teflon4Board Thickness0.1mm-3.5mm5Thickness of copper foil for the basis materials18um(1/2OZ),36um(1OZ),72um(2OZ)6The ... /Lead),
Hot Air Leveling (Lead- Free, RoHS), Carbon Ink, Peelable Mask. Gold Fingers (30µ"),Immersion Silver (3~10u"); Immersion Tin (0 ... 025um-0.15um3.Hole wall coating thickness for finished products:18-25um4.Thickness for hard gold gild the golden finger:0.05um 0 ...