wherein a portion of {HEAD ~ the second interlayer} dielectric film is sandwiched between the second metal patterns and {TAIL ~ the first metal patterns} 
wherein a portion of { HEAD ~ the second interlayer } dielectric film is sandwiched between the second metal patterns and { TAIL ~ the first metal patterns }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL