The solar system 4, wherein {HEAD ~ the respective heat spreader} is mounted to the backsheet with {TAIL ~ a thermal adhesive} 
The solar system 4 , wherein { HEAD ~ the respective heat spreader } is mounted to the backsheet with { TAIL ~ a thermal adhesive }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL