In still another aspect of {TAIL ~ the invention}, {HEAD ~ the wells} are formed to be larger than the solder pads 
In still another aspect of { TAIL ~ the invention } , { HEAD ~ the wells } are formed to be larger than the solder pads
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH