A first reflective layer may also be provided on {HEAD ~ top} of {TAIL ~ the insulating layer} and extend onto the second angled sidewall 
of
A first reflective layer may also be provided on { HEAD ~ top } of { TAIL ~ the insulating layer } and extend onto the second angled sidewall
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH