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