{HEAD ~ The angle} of the tapered edge 1204 can be further controlled by controlling {TAIL ~ the angle} of the ion beam deposition and the thickness of layer 1006 
controlled by controlling
{ HEAD ~ The angle } of the tapered edge 1204 can be further controlled by controlling { TAIL ~ the angle } of the ion beam deposition and the thickness of layer 1006
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH