An insulating layer is provided over the first substrate and comprises {HEAD ~ a plurality} of {TAIL ~ notches} 
An insulating layer is provided over the first substrate and comprises { HEAD ~ a plurality } of { TAIL ~ notches }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL