Advantageously, a portion of each of {TAIL ~ the primary solder land areas} are strategically masked during the manufacture of {HEAD ~ primary substrate} 
Advantageously , a portion of each of { TAIL ~ the primary solder land areas } are strategically masked during the manufacture of { HEAD ~ primary substrate }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD