{HEAD ~ A surface pattern} 15, wherein {TAIL ~ the area} with the envelope curve surface is juxtaposed to a surface portion which scatters the incident light and the profile height of the envelope curve surface changes along a border between the area and the surface portion from a value =0 to a value =300 nm 
wherein
{ HEAD ~ A surface pattern } 15 , wherein { TAIL ~ the area } with the envelope curve surface is juxtaposed to a surface portion which scatters the incident light and the profile height of the envelope curve surface changes along a border between the area and the surface portion from a value = 0 to a value = 300 nm
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH