Another solder resist layer having an opening portion may then be formed on {HEAD ~ the exposed surface} of {TAIL ~ the insulating layer} 
Another solder resist layer having an opening portion may then be formed on { HEAD ~ the exposed surface } of { TAIL ~ the insulating layer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL