An insulating layer is disposed on {TAIL ~ the lower substrate} and is formed with {HEAD ~ a plurality} of notches 
An insulating layer is disposed on { TAIL ~ the lower substrate } and is formed with { HEAD ~ a plurality } of notches
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH