The scattering structure includes {TAIL ~ a plurality} of scattering dots located in the form of a plurality of concentric shapes about {HEAD ~ the center} 
The scattering structure includes { TAIL ~ a plurality } of scattering dots located in the form of a plurality of concentric shapes about { HEAD ~ the center }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD