... Pad no Open soldermask must cover all on both side, reject tin on pad Pad Open reject soldermask inside the ... hole on both side Solder Mask Thickness0.7mil,raised H≤0 ... gold 0.2-0.5umPealable maskcover all on pad,thickness≥0.20mmCarbon Inkcover all on trace,Value≤30Ω Outline Outline Tolerance ... SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! radar antenna PCB board