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